Jeep Compass 4WD 2.4 (2007) Workshop Manual

Factory Workshop Manual

Jeep

Compass 4wd

L4-2.4L VIN W (2007)

Anonymous

1st January 2018

Make

Model

Engine and year

This manual was submitted by

Date

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations

Alarm Module: Locations
Component ID: 161
Component : MODULE-INTRUSION TRANSCEIVER
Connector:
Name : MODULE-INTRUSION TRANSCEIVER C1
Color : BLACK
# of pins : 6
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A415 20RD/TN
2 - ­3 CAN B BUS (+) D55 20WT/OR
4 CAN B BUS (-) D54 20WT/PK
5 SIREN SIGNAL CONTROL D96 20WT/BR
6 GROUND Z941 20BK/WT
Component Location - 40

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 7

Component Location - 42

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 8

Connector:
Name : MODULE-INTRUSION TRANSCEIVER C2
Color : BLACK
# of pins : 3
Pin Description Circuit
1 - ­2 COURTESY LAMPS DRIVER M24 20YL/WT
3 GROUND Z941 20BK/WT
Component Location - 40

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 9

Component Location - 42

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 10

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 11

Alarm Module: Diagrams
Component ID: 161
Component : MODULE-INTRUSION TRANSCEIVER
Connector:
Name : MODULE-INTRUSION TRANSCEIVER C1
Color : BLACK
# of pins : 6
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A415 20RD/TN
2 - ­3 CAN B BUS (+) D55 20WT/OR
4 CAN B BUS (-) D54 20WT/PK
5 SIREN SIGNAL CONTROL D96 20WT/BR
6 GROUND Z941 20BK/WT
Component Location - 40

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 12

Component Location - 42

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 13

Connector:
Name : MODULE-INTRUSION TRANSCEIVER C2
Color : BLACK
# of pins : 3
Pin Description Circuit
1 - ­2 COURTESY LAMPS DRIVER M24 20YL/WT
3 GROUND Z941 20BK/WT
Component Location - 40

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 14

Component Location - 42

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Locations > Page 15

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Description and Operation > Description

Alarm Module: Description and Operation Description
DESCRIPTION
An Intrusion Transceiver Module (ITM) is part of the export premium version of the Vehicle Theft

Alarm (VTA) in the Vehicle Theft Security System (VTSS). The export premium version of the VTA
is only available in vehicles built for certain markets, where the additional features offered by this
system are required. The ITM is integral to the rear dome lamp housing (1) located in the
passenger compartment, on the lower surface of the headliner near the center of the vehicle. The
ITM is designed to provide interior motion detection, and serve as an interface between the
ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN)
and the alarm siren module.

The ITM is concealed within the dome lamp housing. Only the black grilled openings (4) for the ITM
ultrasonic transmitter and receiver are visible on the outside of the housing, one each ahead and
behind the dome lamp lens (3). The entire module is secured to the headliner by a fixed retainer (5)
integral to the left side of the housing and a hinged retainer (2) on the right side that is integral to
the dome lamp lens. A notch (6) in the housing at the left edge of the lens affords access for
service removal.

Concealed within the housing is the electronic circuitry of the ITM which includes a microprocessor,
and the ultrasonic transmit and receive transducers. A molded plastic connector receptacle on the
circuit board is connected to the vehicle electrical system by a dedicated take out and connector of
the headliner wire harness that is integral to the headliner.

The ITM unit cannot be adjusted or repaired and, if ineffective or damaged, it must be replaced.
The dome lamp lens and bulb are available for separate service replacement.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Description and Operation > Description > Page 18

Alarm Module: Description and Operation Operation
OPERATION
The microprocessor in the Intrusion Transceiver Module (ITM) contains the motion sensor logic

circuits and controls all of the features of the export premium version of the Vehicle Theft Alarm
(VTA). The ITM uses On-Board Diagnostics (OBD) and can communicate with other electronic
modules in the vehicle as well as with a diagnostic scan tool using the Controller Area Network
(CAN) data bus. This method of communication is used by the ITM to communicate with the
ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN)
and for diagnosis and testing through the 16-way data link connector located on the driver side
lower edge of the instrument panel. The ITM also communicates with the alarm siren module over
a dedicated serial bus circuit.

The ITM microprocessor continuously monitors inputs from its on-board motion sensor circuitry as
well as inputs from the EMIC and the alarm siren module. The on-board ITM motion sensor
circuitry transmits ultrasonic signals into the vehicle cabin through a transmit transducer, then
listens to the returning signals through a receive transducer as they bounce off of objects in the
vehicle interior. If an object is moving in the interior, a detection circuit in the ITM senses this
movement through the modulation of the returning ultrasonic signals that occurs due to the Doppler
effect. The motion detect function of the ITM can be disabled by depressing the LOCK button on
the Remote Keyless Entry (RKE) transmitter three times within 15 seconds while the VTA is arming
(security indicator is flashing rapidly). The ITM will signal the alarm siren module to provide a single
siren chirp as an audible confirmation that the motion sensor function has been disabled.

If movement is detected while the VTA is armed, the ITM sends an electronic status message to
the EMIC over the CAN data bus and sends an electronic message to the alarm siren module over
a dedicated serial bus line to sound the siren. Then the EMIC relays an electronic request message
to the Totally Integrated Power Module (TIPM) to flash the exterior lighting. When the EMIC detects
a breach in the perimeter protection through a hard wired door or liftgate ajar switch input or
receives a hood ajar switch input from the TIPM, it sends an electronic message to the ITM and the
ITM sends an electronic message to the alarm siren module over a dedicated serial bus line to
sound the siren.

The ITM also monitors inputs from the alarm siren module for siren battery or siren input/output
circuit tamper alerts, and for siren battery condition alerts, then sets active and stored Diagnostic
Trouble Codes (DTC) for any monitored system faults it detects. An active fault only remains for the
current ignition switch cycle, while a stored fault causes a DTC to be stored in memory by the ITM.
If a fault does not recur for 50 ignition cycles, the ITM will automatically erase the stored DTC.

The ITM is connected to the vehicle electrical system through the headliner wire harness. The ITM
receives battery current through a fuse in the TIPM, and receives ground through the body wire
harness. These connections allow the ITM to remain operational, regardless of the ignition switch
position.

The hard wired circuits of the ITM may be diagnosed using conventional diagnostic tools and
procedures. Refer to the appropriate wiring information. However, conventional diagnostic methods
will not prove conclusive in the diagnosis of the ITM or the electronic controls or communication
between modules and other devices that provide some features of the VTA. The most reliable,
efficient, and accurate means to diagnose the ITM or the electronic controls and communication
related to ITM operation requires the use of a diagnostic scan tool. Refer to the appropriate
diagnostic information.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Service and Repair > Removal

Alarm Module: Service and Repair Removal
REMOVAL

1. Disconnect and isolate the battery negative cable.

2. Insert the tip of a small flat bladed screwdriver into the notch (4) between the rear dome lamp
lens (2) and the housing (1) on the left end of the

lens.

3. Gently pry the end of the lens outward until it unsnaps from the housing.

4. Swing the lens outward until it is perpendicular to the housing.

5. Pull the lens hinge/retainer end of the housing downward slightly from the headliner, then slide
the exposed end of the housing away from the

mounting hole far enough to disengage the fixed retainer on the notched end from the headliner.

6. Pull the lamp away from the headliner mounting hole far enough to access and disconnect the
wire harness connections from the back of the lamp

and from the Intrusion Transceiver Module (ITM).

7. Remove the ITM from the vehicle.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm
Module, (Vehicle Antitheft) > Component Information > Service and Repair > Removal > Page 21

Alarm Module: Service and Repair Installation
INSTALLATION

1. Position the Intrusion Transceiver Module (ITM) (1) to the mounting hole in the headliner.

2. Reconnect the wire harness connectors to the ITM and rear dome lamp connector receptacles
on the back of the ITM.

3. Insert the fixed retainer on the left side of the ITM housing up into the left side of the mounting
hole in the headliner.

4. Slide the notched end (4) of the housing into the mounting hole far enough to engage the rear
dome lamp lens hinge/retainer into the opposite side

of the hole in the headliner.

5. Gently and evenly press the lens hinge/retainer end of the lamp into the mounting hole until the
bezel of the ITM housing is flush with the

headliner.

6. Swing the notched end of the lamp lens (2) into position against the lamp housing, then press
upward on the lens firmly and evenly until it snaps

into the housing.

7. Reconnect the battery negative cable.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations

Keyless Entry Module: Locations
Component ID: 166
Component : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Connector:
Name : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Color : BLACK
# of pins : 8
Pin Description Circuit
1 IGNITION SWITCH SENSE G20 20VT/BR
2 COM-LIN TIRE PRESSURE MONITOR LAN D508 20WT/GY
3 IGNITION SWITCH OUTPUT (RUN-START) F20 20PK/WT
4 GROUND Z937 20BK/YL
5 FUSED B(+) (I.O.D.) A411 20RD/LG
6 CAN B BUS (+) D55 20WT/OR
7 CAN B BUS (-) D54 20WT/PK

8 - ­Component Location - 27

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 25

Component Location - 29

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 26

Component Location - 31

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 27

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 28

Keyless Entry Module: Diagrams
Component ID: 166
Component : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Connector:
Name : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Color : BLACK
# of pins : 8
Pin Description Circuit
1 IGNITION SWITCH SENSE G20 20VT/BR
2 COM-LIN TIRE PRESSURE MONITOR LAN D508 20WT/GY
3 IGNITION SWITCH OUTPUT (RUN-START) F20 20PK/WT
4 GROUND Z937 20BK/YL
5 FUSED B(+) (I.O.D.) A411 20RD/LG
6 CAN B BUS (+) D55 20WT/OR
7 CAN B BUS (-) D54 20WT/PK

8 - ­Component Location - 27

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 29

Component Location - 29

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 30

Component Location - 31

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Locations > Page 31

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Description and Operation > Description

Keyless Entry Module: Description and Operation Description
DESCRIPTION
The Sentry Key REmote Entry Module (SKREEM) (3) is sometimes referred to as the Wireless

Control Module (WCM). The SKREEM is the primary component of the Sentry Key Immobilizer
System (SKIS). It is also the receiver for the Remote Keyless Entry (RKE) system and the Tire
Pressure Monitor (TPM) system. The SKREEM is located on the right side of the steering column
near the ignition lock cylinder housing and is concealed beneath the column shrouds. The molded
black plastic housing for the SKREEM has an integral molded plastic halo-like antenna ring (1) that
extends from one side. When the SKREEM is properly installed, the antenna ring is oriented
around the circumference of the ignition lock cylinder housing.

A single integral connector receptacle (4) is located adjacent to the antenna ring on the SKREEM
housing. An integral molded plastic mounting tab (2) on the SKREEM housing has a hole in the
center through which a screw passes to secure the unit to the steering column lock housing. The
SKREEM is connected to the vehicle electrical system through a single take out and connector of
the instrument panel wire harness.

The SKREEM cannot be adjusted or repaired. If ineffective or damaged, the entire SKREEM unit
must be replaced.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Description and Operation > Description > Page 34

Keyless Entry Module: Description and Operation Operation
OPERATION
The Sentry Key REmote Entry Module (SKREEM) (also known as the Wireless Control

Module/WCM) contains a Radio Frequency (RF) transceiver and a microprocessor. The SKREEM
transmits RF signals to, and receives RF signals from the Sentry Key transponder through a tuned
antenna enclosed within the molded plastic antenna ring integral to the SKREEM housing. If this
antenna ring is not mounted properly around the ignition lock cylinder housing, communication
problems between the SKREEM and the transponder may arise. These communication problems
will result in Sentry Key transponder-related faults.

The SKREEM also serves as the Remote Keyless Entry (RKE) RF receiver and, if the vehicle is so
equipped, the receiver for the Tire Pressure Monitoring (TPM) system. The SKREEM
communicates over the Controller Area Network (CAN) data bus with the ElectroMechanical
Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN), the Powertrain
Control Module (PCM) or the diagnostic scan tool.

The SKREEM and the PCM both use software that includes a rolling code algorithm strategy,
which helps to reduce the possibility of unauthorized Sentry Key Immobilizer System (SKIS)
disarming. The rolling code algorithm ensures security by preventing an override of the SKIS
through the unauthorized substitution of the SKREEM or the PCM. However, the use of this
strategy also means that replacement of either the SKREEM or the PCM units will require a system
initialization procedure to restore system operation.

The SKREEM retains in memory the ID numbers of any Sentry Key transponder that is
programmed into it. A maximum of eight Sentry Key transponders can be programmed into the
SKREEM. For added system security, each SKREEM is programmed with a unique Secret Key
code. This code is stored in memory, sent over the CAN data bus to the PCM, and is encoded to
the transponder of every Sentry Key that is programmed into the SKREEM. Therefore, the Secret
Key code is a common element that is found in every component of the SKIS.

Another security code, called a PIN, is used to gain access to the SKREEM Secured Access Mode.
The Secured Access Mode is required during service to perform the SKIS initialization and Sentry
Key transponder programming procedures. The SKREEM also stores the Vehicle Identification
Number (VIN) in its memory, which it learns through a CAN data bus message from the PCM
during SKIS initialization.

In the event that a SKREEM replacement is required, the Secret Key code can be transferred to
the new SKREEM from the PCM using the diagnostic scan tool and the SKIS initialization
procedure. Proper completion of the SKIS initialization will allow the existing Sentry Keys to be
programmed into the new SKREEM so that new keys will not be required. In the event that the
original Secret Key code cannot be recovered, SKREEM replacement will also require new Sentry
Keys. The diagnostic scan tool will alert the technician during the SKIS initialization procedure if
new Sentry Keys are required.

When the key is inserted into the ignition switch and when the ignition switch is turned to the ON
position, the SKREEM transmits an RF signal to excite the transponder in the ignition key. The
SKREEM then waits for an RF signal response from the transponder. If the response received
identifies the key as valid, the SKREEM sends an electronic valid key message over the CAN data
bus. If the response received identifies the key as invalid or if no response is received from the key
transponder, the SKREEM sends an invalid key message. The PCM will enable or disable engine
operation based upon the status of the SKREEM messages. It is important to note that the default
condition in the PCM is an invalid key; therefore, if no message is received from the SKREEM by
the PCM, the engine will be disabled and the vehicle immobilized after two seconds of running.

The SKREEM also sends electronic security indicator request messages to the EMIC over the CAN
data bus to tell the EMIC how to operate the security indicator. The security indicator request

message from the SKREEM tells the EMIC to turn the indicator ON for about three seconds each
time the ignition switch is turned to the ON position as a bulb test. After completion of the bulb test,
the SKREEM sends security indicator request messages to the EMIC to turn the indicator OFF,
turn the indicator ON, or to flash the indicator ON and OFF. If the security indicator flashes or stays
ON solid after the bulb test, it signifies a SKIS fault. If the SKREEM detects a system malfunction
or the SKIS has become ineffective, the security indicator will stay ON solid. If the SKREEM
detects an invalid key or if a key transponder-related fault exists, the security indicator will flash. If
the vehicle is equipped with the Customer Learn transponder programming feature, the SKREEM
will also send messages to the EMIC to flash the security indicator whenever the Customer Learn
programming mode is being utilized.

The SKIS performs a self-test each time the ignition switch is turned to the ON position, and will
store fault information in the form of a Diagnostic Trouble Code (DTC) in SKREEM memory if a
system malfunction is detected. The hard wired circuits of the SKREEM may be diagnosed using
conventional diagnostic tools and procedures. Refer to the appropriate wiring information.
However, conventional diagnostic methods will not prove conclusive in the diagnosis of the
SKREEM or the electronic controls or communication between other modules and devices that
provide some features of the SKIS. The most reliable, efficient, and accurate means to diagnose
the SKREEM or the electronic controls and communication related to SKREEM operation requires
the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Description and Operation > Page 35

Keyless Entry Module: Testing and Inspection
REMOTE KEYLESS ENTRY MODULE
The most reliable, efficient, and accurate means to diagnose the power lock system requires the

use of a scan tool and the proper Diagnostic information.
Refer to the appropriate wiring information.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Service and Repair > Removal

Keyless Entry Module: Service and Repair Removal
REMOVAL
WARNING: To avoid serious or fatal injury on vehicles equipped with airbags, disable the

supplemental restraint system before attempting any steering wheel, steering column, airbag,
occupant classification system, seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two
minutes for the system capacitor to discharge before performing further diagnosis or service. This
is the only sure way to disable the supplemental restraint system. Failure to take the proper
precautions could result in accidental airbag deployment.

1. Disconnect and isolate the battery negative cable.

2. Remove but do not disconnect the right multi-function switch from the integral mounting bracket
(1) on the right side of the clockspring and

position it so that the Sentry Key REmote Entry Module (SKREEM) mounting screw (2) may be
accessed.

3. Disconnect the instrument panel wire harness connector (4) from the SKREEM (3) connector
receptacle.

4. Remove the screw that secures the SKREEM to the boss on the top of the ignition lock cylinder
housing (5).

5. Disengage the SKREEM antenna ring from around the ignition lock housing and remove the
SKREEM from the steering column.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless
Entry Module > Component Information > Service and Repair > Removal > Page 38

Keyless Entry Module: Service and Repair Installation
INSTALLATION
WARNING: To avoid serious or fatal injury, on vehicles equipped with airbags, disable the

supplemental restraint system before attempting any steering wheel, steering column, airbag,
occupant classification system, seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two
minutes for the system capacitor to discharge before performing further diagnosis or service. This
is the only sure way to disable the supplemental restraint system. Failure to take the proper
precautions could result in accidental airbag deployment.

1. Position the Sentry Key REmote Entry Module (SKREEM) (3) onto the steering column ignition
lock housing with the antenna ring oriented

around the lock cylinder (5).

2. Install and tighten the screw (2) that secures the SKREEM mounting bracket to the boss on the
top of the ignition lock housing. Tighten the screw

to 2 Nm (20 in. lbs.).

3. Reconnect the instrument panel wire harness connector (4) to the SKREEM connector
receptacle.

4. Reinstall the right multi-function switch onto the integral mounting bracket (1) on the right side of
the clockspring.

5. Reconnect the battery negative cable.

NOTE: On vehicles equipped with the optional Sentry Key Immobilizer System (SKIS), when the
SKREEM is replaced with a new unit, a diagnostic scan tool MUST be used to initialize the new
SKREEM and to program at least two Sentry Key transponders before the vehicle can be operated.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Navigation
Module > Component Information > Locations

Navigation Module: Locations
Component ID: 169
Component : MODULE-TRAFFIC INFORMATION RECEIVER
Connector:
Name : MODULE-TRAFFIC INFORMATION RECEIVER
Color : # of pins :
12
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A413 20RD/LB
2 CAN B BUS (+) D55 20WT/OR
3 - ­4 - ­5 CAN B BUS (+) D55 20WT/OR
6 FUSED B(+) (I.O.D.) A413 20RD/LB
7 GROUND Z909 20BK

8 CAN B BUS (-) D54 20WT/PK
9 - ­10 - ­11 CAN B BUS (-) D54 20WT/PK
12 GROUND Z909 20BK
Component Location - 63

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Navigation
Module > Component Information > Locations > Page 42

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Navigation
Module > Component Information > Locations > Page 43

Navigation Module: Diagrams
Component ID: 169
Component : MODULE-TRAFFIC INFORMATION RECEIVER
Connector:
Name : MODULE-TRAFFIC INFORMATION RECEIVER
Color : # of pins :
12
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A413 20RD/LB
2 CAN B BUS (+) D55 20WT/OR
3 - ­4 - ­5 CAN B BUS (+) D55 20WT/OR
6 FUSED B(+) (I.O.D.) A413 20RD/LB
7 GROUND Z909 20BK

8 CAN B BUS (-) D54 20WT/PK
9 - ­10 - ­11 CAN B BUS (-) D54 20WT/PK
12 GROUND Z909 20BK
Component Location - 63

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Navigation
Module > Component Information > Locations > Page 44

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Voice
Activation Module > Component Information > Locations

Voice Activation Module: Locations
Component ID: 157
Component : MODULE-HANDS FREE
Connector:
Name : MODULE-HANDS FREE
Color : DK. GRAY
# of pins : 22
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A417 18RD/DG
2 - ­3 - ­4 CAN B BUS (-) D54 20WT/PK
5 MICROPHONE 2 IN(+) X722 20LB/DG
6 - ­7 - -

8 LEFT AUDIO OUTPUT X703 22DG/OR
9 RIGHT AUDIO OUTPUT X704 22DG/PK
10 COMMON AUDIO OUTPUT X795 22DG/BK
11 - ­12 - ­13 - ­14 CAN B BUS (+) D55 20WT/OR
15 VOICE RECOGNITION/PHONE SWITCH SIGNAL X730 20GY/YL
16 MICROPHONE 1 IN(+) X712 20DG/LB
17 MICROPHONE IN(-) X792 20LB/TN
18 - ­19 - ­20 MICROPHONE FEED X793 20DG/YL
21 SENSOR GROUND X835 20OR/BK
22 GROUND Z937 18BK/YL
Component Location - 24

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Voice
Activation Module > Component Information > Locations > Page 48

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Voice
Activation Module > Component Information > Locations > Page 49

Voice Activation Module: Diagrams
Component ID: 157
Component : MODULE-HANDS FREE
Connector:
Name : MODULE-HANDS FREE
Color : DK. GRAY
# of pins : 22
Pin Description Circuit
1 FUSED B(+) (I.O.D.) A417 18RD/DG
2 - ­3 - ­4 CAN B BUS (-) D54 20WT/PK
5 MICROPHONE 2 IN(+) X722 20LB/DG
6 - ­7 - -

8 LEFT AUDIO OUTPUT X703 22DG/OR
9 RIGHT AUDIO OUTPUT X704 22DG/PK
10 COMMON AUDIO OUTPUT X795 22DG/BK
11 - ­12 - ­13 - ­14 CAN B BUS (+) D55 20WT/OR
15 VOICE RECOGNITION/PHONE SWITCH SIGNAL X730 20GY/YL
16 MICROPHONE 1 IN(+) X712 20DG/LB
17 MICROPHONE IN(-) X792 20LB/TN
18 - ­19 - ­20 MICROPHONE FEED X793 20DG/YL
21 SENSOR GROUND X835 20OR/BK
22 GROUND Z937 18BK/YL
Component Location - 24

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Voice
Activation Module > Component Information > Locations > Page 50

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations

Keyless Entry Module: Locations
Component ID: 166
Component : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Connector:
Name : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Color : BLACK
# of pins : 8
Pin Description Circuit
1 IGNITION SWITCH SENSE G20 20VT/BR
2 COM-LIN TIRE PRESSURE MONITOR LAN D508 20WT/GY
3 IGNITION SWITCH OUTPUT (RUN-START) F20 20PK/WT
4 GROUND Z937 20BK/YL
5 FUSED B(+) (I.O.D.) A411 20RD/LG
6 CAN B BUS (+) D55 20WT/OR
7 CAN B BUS (-) D54 20WT/PK

8 - ­Component Location - 27

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 55

Component Location - 29

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 56

Component Location - 31

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 57

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 58

Keyless Entry Module: Diagrams
Component ID: 166
Component : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Connector:
Name : MODULE-SENTRY KEY REMOTE ENTRY/WCM
Color : BLACK
# of pins : 8
Pin Description Circuit
1 IGNITION SWITCH SENSE G20 20VT/BR
2 COM-LIN TIRE PRESSURE MONITOR LAN D508 20WT/GY
3 IGNITION SWITCH OUTPUT (RUN-START) F20 20PK/WT
4 GROUND Z937 20BK/YL
5 FUSED B(+) (I.O.D.) A411 20RD/LG
6 CAN B BUS (+) D55 20WT/OR
7 CAN B BUS (-) D54 20WT/PK

8 - ­Component Location - 27

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 59

Component Location - 29

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 60

Component Location - 31

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Locations > Page 61

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Description and Operation > Description

Keyless Entry Module: Description and Operation Description
DESCRIPTION
The Sentry Key REmote Entry Module (SKREEM) (3) is sometimes referred to as the Wireless

Control Module (WCM). The SKREEM is the primary component of the Sentry Key Immobilizer
System (SKIS). It is also the receiver for the Remote Keyless Entry (RKE) system and the Tire
Pressure Monitor (TPM) system. The SKREEM is located on the right side of the steering column
near the ignition lock cylinder housing and is concealed beneath the column shrouds. The molded
black plastic housing for the SKREEM has an integral molded plastic halo-like antenna ring (1) that
extends from one side. When the SKREEM is properly installed, the antenna ring is oriented
around the circumference of the ignition lock cylinder housing.

A single integral connector receptacle (4) is located adjacent to the antenna ring on the SKREEM
housing. An integral molded plastic mounting tab (2) on the SKREEM housing has a hole in the
center through which a screw passes to secure the unit to the steering column lock housing. The
SKREEM is connected to the vehicle electrical system through a single take out and connector of
the instrument panel wire harness.

The SKREEM cannot be adjusted or repaired. If ineffective or damaged, the entire SKREEM unit
must be replaced.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Description and Operation > Description > Page 64

Keyless Entry Module: Description and Operation Operation
OPERATION
The Sentry Key REmote Entry Module (SKREEM) (also known as the Wireless Control

Module/WCM) contains a Radio Frequency (RF) transceiver and a microprocessor. The SKREEM
transmits RF signals to, and receives RF signals from the Sentry Key transponder through a tuned
antenna enclosed within the molded plastic antenna ring integral to the SKREEM housing. If this
antenna ring is not mounted properly around the ignition lock cylinder housing, communication
problems between the SKREEM and the transponder may arise. These communication problems
will result in Sentry Key transponder-related faults.

The SKREEM also serves as the Remote Keyless Entry (RKE) RF receiver and, if the vehicle is so
equipped, the receiver for the Tire Pressure Monitoring (TPM) system. The SKREEM
communicates over the Controller Area Network (CAN) data bus with the ElectroMechanical
Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN), the Powertrain
Control Module (PCM) or the diagnostic scan tool.

The SKREEM and the PCM both use software that includes a rolling code algorithm strategy,
which helps to reduce the possibility of unauthorized Sentry Key Immobilizer System (SKIS)
disarming. The rolling code algorithm ensures security by preventing an override of the SKIS
through the unauthorized substitution of the SKREEM or the PCM. However, the use of this
strategy also means that replacement of either the SKREEM or the PCM units will require a system
initialization procedure to restore system operation.

The SKREEM retains in memory the ID numbers of any Sentry Key transponder that is
programmed into it. A maximum of eight Sentry Key transponders can be programmed into the
SKREEM. For added system security, each SKREEM is programmed with a unique Secret Key
code. This code is stored in memory, sent over the CAN data bus to the PCM, and is encoded to
the transponder of every Sentry Key that is programmed into the SKREEM. Therefore, the Secret
Key code is a common element that is found in every component of the SKIS.

Another security code, called a PIN, is used to gain access to the SKREEM Secured Access Mode.
The Secured Access Mode is required during service to perform the SKIS initialization and Sentry
Key transponder programming procedures. The SKREEM also stores the Vehicle Identification
Number (VIN) in its memory, which it learns through a CAN data bus message from the PCM
during SKIS initialization.

In the event that a SKREEM replacement is required, the Secret Key code can be transferred to
the new SKREEM from the PCM using the diagnostic scan tool and the SKIS initialization
procedure. Proper completion of the SKIS initialization will allow the existing Sentry Keys to be
programmed into the new SKREEM so that new keys will not be required. In the event that the
original Secret Key code cannot be recovered, SKREEM replacement will also require new Sentry
Keys. The diagnostic scan tool will alert the technician during the SKIS initialization procedure if
new Sentry Keys are required.

When the key is inserted into the ignition switch and when the ignition switch is turned to the ON
position, the SKREEM transmits an RF signal to excite the transponder in the ignition key. The
SKREEM then waits for an RF signal response from the transponder. If the response received
identifies the key as valid, the SKREEM sends an electronic valid key message over the CAN data
bus. If the response received identifies the key as invalid or if no response is received from the key
transponder, the SKREEM sends an invalid key message. The PCM will enable or disable engine
operation based upon the status of the SKREEM messages. It is important to note that the default
condition in the PCM is an invalid key; therefore, if no message is received from the SKREEM by
the PCM, the engine will be disabled and the vehicle immobilized after two seconds of running.

The SKREEM also sends electronic security indicator request messages to the EMIC over the CAN
data bus to tell the EMIC how to operate the security indicator. The security indicator request

message from the SKREEM tells the EMIC to turn the indicator ON for about three seconds each
time the ignition switch is turned to the ON position as a bulb test. After completion of the bulb test,
the SKREEM sends security indicator request messages to the EMIC to turn the indicator OFF,
turn the indicator ON, or to flash the indicator ON and OFF. If the security indicator flashes or stays
ON solid after the bulb test, it signifies a SKIS fault. If the SKREEM detects a system malfunction
or the SKIS has become ineffective, the security indicator will stay ON solid. If the SKREEM
detects an invalid key or if a key transponder-related fault exists, the security indicator will flash. If
the vehicle is equipped with the Customer Learn transponder programming feature, the SKREEM
will also send messages to the EMIC to flash the security indicator whenever the Customer Learn
programming mode is being utilized.

The SKIS performs a self-test each time the ignition switch is turned to the ON position, and will
store fault information in the form of a Diagnostic Trouble Code (DTC) in SKREEM memory if a
system malfunction is detected. The hard wired circuits of the SKREEM may be diagnosed using
conventional diagnostic tools and procedures. Refer to the appropriate wiring information.
However, conventional diagnostic methods will not prove conclusive in the diagnosis of the
SKREEM or the electronic controls or communication between other modules and devices that
provide some features of the SKIS. The most reliable, efficient, and accurate means to diagnose
the SKREEM or the electronic controls and communication related to SKREEM operation requires
the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Description and Operation > Page 65

Keyless Entry Module: Testing and Inspection
REMOTE KEYLESS ENTRY MODULE
The most reliable, efficient, and accurate means to diagnose the power lock system requires the

use of a scan tool and the proper Diagnostic information.
Refer to the appropriate wiring information.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Service and Repair > Removal

Keyless Entry Module: Service and Repair Removal
REMOVAL
WARNING: To avoid serious or fatal injury on vehicles equipped with airbags, disable the

supplemental restraint system before attempting any steering wheel, steering column, airbag,
occupant classification system, seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two
minutes for the system capacitor to discharge before performing further diagnosis or service. This
is the only sure way to disable the supplemental restraint system. Failure to take the proper
precautions could result in accidental airbag deployment.

1. Disconnect and isolate the battery negative cable.

2. Remove but do not disconnect the right multi-function switch from the integral mounting bracket
(1) on the right side of the clockspring and

position it so that the Sentry Key REmote Entry Module (SKREEM) mounting screw (2) may be
accessed.

3. Disconnect the instrument panel wire harness connector (4) from the SKREEM (3) connector
receptacle.

4. Remove the screw that secures the SKREEM to the boss on the top of the ignition lock cylinder
housing (5).

5. Disengage the SKREEM antenna ring from around the ignition lock housing and remove the
SKREEM from the steering column.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module >
Component Information > Service and Repair > Removal > Page 68

Keyless Entry Module: Service and Repair Installation
INSTALLATION
WARNING: To avoid serious or fatal injury, on vehicles equipped with airbags, disable the

supplemental restraint system before attempting any steering wheel, steering column, airbag,
occupant classification system, seat belt tensioner, impact sensor, or instrument panel component
diagnosis or service. Disconnect and isolate the battery negative (ground) cable, then wait two
minutes for the system capacitor to discharge before performing further diagnosis or service. This
is the only sure way to disable the supplemental restraint system. Failure to take the proper
precautions could result in accidental airbag deployment.

1. Position the Sentry Key REmote Entry Module (SKREEM) (3) onto the steering column ignition
lock housing with the antenna ring oriented

around the lock cylinder (5).

2. Install and tighten the screw (2) that secures the SKREEM mounting bracket to the boss on the
top of the ignition lock housing. Tighten the screw

to 2 Nm (20 in. lbs.).

3. Reconnect the instrument panel wire harness connector (4) to the SKREEM connector
receptacle.

4. Reinstall the right multi-function switch onto the integral mounting bracket (1) on the right side of
the clockspring.

5. Reconnect the battery negative cable.

NOTE: On vehicles equipped with the optional Sentry Key Immobilizer System (SKIS), when the
SKREEM is replaced with a new unit, a diagnostic scan tool MUST be used to initialize the new
SKREEM and to program at least two Sentry Key transponders before the vehicle can be operated.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Locations

Seat Heater Control Module: Locations
Component ID: 160
Component : MODULE-HEATED SEATS
Connector:
Name : MODULE-HEATED SEATS
Color : BLACK
# of pins : 10
A - ­B - ­C - ­D LEFT SEAT HEATER B(+) DRIVER P187 16LG/BR
D LEFT SEAT HEATER B(+) DRIVER P187 20LG/BR
E FUSED IGNITION SWITCH OUTPUT (RUN) F937 14PK/YL
E FUSED IGNITION SWITCH OUTPUT (RUN) F937 18PK/YL
F GROUND Z960 18BK

F GROUND Z960 18BK/LB
G - ­H - ­J LIN BUS D506 20WT/DG
K RIGHT SEAT HEATER B(+) DRIVER P188 16LG/VT
K RIGHT SEAT HEATER B(+) DRIVER P188 20LG/VT
Component Location - 55

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Locations > Page 72

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Locations > Page 73

Seat Heater Control Module: Diagrams
Component ID: 160
Component : MODULE-HEATED SEATS
Connector:
Name : MODULE-HEATED SEATS
Color : BLACK
# of pins : 10
A - ­B - ­C - ­D LEFT SEAT HEATER B(+) DRIVER P187 16LG/BR
D LEFT SEAT HEATER B(+) DRIVER P187 20LG/BR
E FUSED IGNITION SWITCH OUTPUT (RUN) F937 14PK/YL
E FUSED IGNITION SWITCH OUTPUT (RUN) F937 18PK/YL
F GROUND Z960 18BK

F GROUND Z960 18BK/LB
G - ­H - ­J LIN BUS D506 20WT/DG
K RIGHT SEAT HEATER B(+) DRIVER P188 16LG/VT
K RIGHT SEAT HEATER B(+) DRIVER P188 20LG/VT
Component Location - 55

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Locations > Page 74

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Description and Operation > Description

Seat Heater Control Module: Description and Operation Description
DESCRIPTION
The heated seat module (2) is located under the left front seat. It has a single electrical connector

(1) and a push pin style retainer that secures it to the seat pan. The module can be accessed from
under the front left seat with the seat in the full back position.

The heated seat module is a microprocessor designed to use the Local Interface Network (LIN)
data bus messages from the instrument cluster also known as the Cabin Compartment Node
(CCN). The CCN receives inputs from the heated seat switches and in turn signals the heated seat
module to operate the heated seat elements for both front seats.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Description and Operation > Description > Page 77

Seat Heater Control Module: Description and Operation Operation
OPERATION
The heated seat module operates on fused battery current received from the ignition switch. The

module is grounded to the body at all times through the electrical connector. Inputs to the module
include Local Interface Network (LIN) data bus messages and standard hardwired 12 volt power
and ground. In response to the LIN inputs the heated seat module will control the battery current to
the appropriate heated seat elements.

When a heated seat switch LIN data bus signal is received by the heated seat module, the module
energizes the selected heated seat element. The Low heat set point is about 38° C (100.4° F), and
the High heat set point is about 42° C (107.6° F).

In addition to operating the heated seat elements, the heated seat module sends LED illumination
messages to the CCN via the LIN data bus. The CCN then sends the LED illumination message to
the accessory switch bank so that the appropriate LEDs are illuminated for any given heating level.
Pressing the switch once will select high-level heating. Pressing the switch a second time will
select low-level heating. Pressing the switch a third time will shut the heating elements off.

If the heated seat module detects a heated seat element OPEN or SHORT circuit, it will record and
store the appropriate diagnostic trouble code (DTC).

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Description and Operation > Page 78

Seat Heater Control Module: Testing and Inspection
HEATED SEAT MODULE
In order to obtain conclusive testing, the heated seat system and the Local Interface Network (LIN)

data bus circuit must be checked. Any diagnosis of the heated seat system should begin with, the
use of a scan tool and the appropriate diagnostic service information.

Refer to the appropriate wiring information for complete circuit schematic or connector pin-out
information.

NOTE: Vehicles equipped with the heated seat option utilize a low voltage cut-off feature. This
feature turns off power to the heated seat system anytime vehicle voltage is below 11.7 V or above

15.5 V. Be certain to check the vehicle electrical system for proper voltage anytime the power seat
system appears inoperative.

Before any testing of the heated seat system is attempted, the battery should be fully-charged.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Service and Repair > Removal

Seat Heater Control Module: Service and Repair Removal
REMOVAL
CAUTION: The Heated Seat Module mounting tab can be damaged during module removal and

installation. Use care to properly align tab to prevent binding that could result in tab breakage.

1. Position the right front seat to the full rearward position.

2. Disconnect and isolate the battery negative cable.

3. Disconnect the wire harness connector (4) from the heated seat module (3).

4. Unsnap the heated seat module retaining tab (2) from the seat pan (1).

5. Remove the heated seat module (3) from the vehicle.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module >
Component Information > Service and Repair > Removal > Page 81

Seat Heater Control Module: Service and Repair Installation
INSTALLATION
CAUTION: The Heated Seat Module mounting tab can be damaged during module removal and

installation. Use care to properly align tab to prevent binding that could result in tab breakage.

1. Install the heated seat module (3) into the vehicle.

2. Position the retaining tab (2) with the mounting hole in the seat pan (1). Firmly apply even
pressure to the module (3) until the mounting tab is

fully seated.

3. Connect the wire harness connector (4) to the heated seat module (3).

4. Connect the battery negative cable.

5. Check for proper heated seat system operation.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake
Control Module > Component Information > Technical Service Bulletins > Recalls for Electronic Brake Control Module: >
F50 > Feb > 07 > Recall - ABS Module Reprogramming

Technical Service Bulletin # F50 Date: 070212

Recall - ABS Module Reprogramming
February 2007
Dealer Service Instructions for: Safety Recall F50 Reprogram ABS Control Module
Models
2007 (LX) Chrysler 300, Dodge Charger and Magnum - built from September 7, 2006 through

November 18, 2006 (MDH 090701 - 111801).
2007 (JS) Chrysler Sebring - built from October 10, 2006 through November 15, 2006 (MDH

101019 - 111509).
2007 (PM) Dodge Caliber - built from September 7, 2006 through November 18, 2006 (MDH

090707 - 111801).
2007 (MK49) Jeep(R) Compass - built from September 7, 2006 through November 18, 2006 (MDH

090707 - 111801).
2007 (MK74) Jeep Patriot - built from September 7, 2006 through November 18, 2006 (MDH

090707 - 111801).
2007 (WK) Jeep Grand Cherokee - built from October 18, 2006 through December 6, 2006 (MDH

101813 - 120606).
2007 (XK) Jeep Commander - built from October 18, 2006 through December 6, 2006 (MDH

101813 - 120606).
2007 (KJ) Jeep Liberty - built from September 18, 2006 through November 30, 2006 (MDH 091807

- 113018).
2007 (KA) Dodge Nitro - built from September 18, 2006 through November 30, 2006 (MDH 091807

- 113018).
2007 (JK) Jeep Wrangler - built from November 9, 2006 through December 8, 2006 (MDH 110914 -

120811).
NOTE:
This recall applies only to the above vehicles equipped with an ESP/ABS system (sales code BNB,

BRF, BRY, BR1 or BR3).
IMPORTANT:
Some of the involved vehicles may be in dealer new vehicle
inventory. Federal law requires you to complete this recall service on these vehicles before retail

delivery. Dealers should also consider this requirement to apply to used vehicle inventory and
should perform this recall on vehicles in for service. Involved vehicles can be determined by using
the VIP inquiry process.

Subject
The software programmed into the Anti-Lock Brake System (ABS) control module on about 50,600

of the above vehicles may cause the rear brakes to lock up during certain braking conditions. This
could result in a loss of vehicle control and cause a crash without warning.

Repair

The ABS control module must be reprogrammed (flashed).
Parts Information
No parts are required to perform this service procedure.
Special Tools

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake
Control Module > Component Information > Technical Service Bulletins > Recalls for Electronic Brake Control Module: >
F50 > Feb > 07 > Recall - ABS Module Reprogramming > Page 91

The existing special tools may be required to perform this repair.
NOTE:
The StarSCAN and the Star Mobile scan tools must be at version 7.03
or higher before this procedure can be performed.

Completion Reporting and Reimbursement
Claims for vehicles that have been serviced must be submitted on the DealerCONNECT Claim

Entry Screen located on the Service tab. Claims submitted will be used by DaimlerChrysler to
record recall service completions and provide dealer payments.

Use one of the labor operation numbers and time allowances shown.
Dealer Notification
All dealers will receive three copies of this dealer recall notification letter by mail.
To view this notification on DealerCONNECT, select "Global Recall System" on the Service tab,

then click on the description of this notification.
Owner Notification and Service Scheduling
All involved vehicle owners known to DaimlerChrysler are being notified of the service requirement

by first class mail. They are requested to schedule appointments for this service with their dealers.
A generic copy of the owner letter is shown.

Enclosed with each owner letter is an Owner Notification postcard to allow owners to update our
records if applicable.

Vehicle Lists, Global Recall System, VIP and Dealer Follow Up
All involved vehicles have been entered into the DealerCONNECT Global Recall System (GRS)

and Vehicle Information Plus (VIP) for dealer inquiry as needed.
GRS provides involved dealers with an updated VIN list of their incomplete vehicles.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake
Control Module > Component Information > Technical Service Bulletins > Recalls for Electronic Brake Control Module: >
F50 > Feb > 07 > Recall - ABS Module Reprogramming > Page 92

The owner's name, address and phone number are listed if known. Completed vehicles are
removed from GRS within several days of repair claim submission.

To use this system, click on the "Service" tab and then click on "Global Recall System." Your
dealer's VIN list for each recall displayed can be sorted by: those vehicles that were unsold at
recall launch, those with a phone number, city, zip code, or VIN sequence.

Dealers must perform this repair on all unsold vehicles before retail delivery.
Dealers should also use the VIN list to follow up with all owners to schedule appointments for this

repair.
Recall VIN lists may contain confidential, restricted owner name and address information that was

obtained from the Department of Motor Vehicles of various states. Use of this information is
permitted for this recall only and is strictly prohibited from all other use.

Additional Information
If you have any questions or need assistance in completing this action, please contact your Service

and Parts District Manager.
Customer Services Field Operations DaimlerChrysler Corporation
Service Procedure
NOTE:
Reprogramming of the ABS Control Module can be performed using the StarSCAN scan tool or the

StarMOBILE scan tool.
A. Reprogram the ABS Control Module Using StarSCAN
NOTE:
The StarSCAN tool must be at version 7.03 or higher before this
procedure can be performed. The software release level is visible in the blue header at the top of

the StarSCAN screen.

1. Open the hood and install a battery charger. Verify that the charging rate provides approximately

13.5 volts.

2. Use the following procedure to determine the ABS Control Module software part number:
a. Connect the StarSCAN to the vehicle data link connector located under the steering column and

turn the ignition key to the "RUN" position.
b. Power ON the StarSCAN.
c. From the StarSCAN Home Screen, select "ECU View".
d. From the StarSCAN ECU View Screen, select "ABS" from the list of modules.
e. Select "More Options" and then select "ECU Flash".
f. Record the part number displayed at the top of the "Flash ABS" screen for later reference.

3. Connect the CH9410 ethernet cable to the StarSCAN and the dealer's network drop.

4. Select "Browse for New File" and follow the on screen instructions.

5. Highlight the calibration and then select "Download to Scantool".

6. Select "Close" after the download is complete, disconnect the ethernet cable from the scan tool
and then select "Back".

7. Highlight the listed calibration.

8. Select "Update Controller" and follow the screen instructions.

9. When the ABS control module update is complete, select "OK".

10. Verify the part number (resident flash file) at the top of the screen has updated to the new part
number.

11. After completing the ABS control module reprogramming, clear all Diagnostic Trouble Codes
(DTC's) using the following procedure:

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake
Control Module > Component Information > Technical Service Bulletins > Recalls for Electronic Brake Control Module: >
F50 > Feb > 07 > Recall - ABS Module Reprogramming > Page 93

a. Return to the "Main Menu" (Home Page).

b. Select "System View".
c. Select "All DTC's".
d. Select "Clear All Stored DTC's" and follow the screen prompts.

12. Disconnect and remove the StarSCAN and battery charger from the vehicle.
B. Reprogram the ABS Control Module Using StarMOBILE
NOTE:
The StarMOBILE scan tool must be at version 7.03 or higher before this procedure can be

performed.

1. Open the hood and install a battery charger. Verify that the charging rate provides approximately

13.5 volts.

2. Connect the StarMOBILE scan tool to the vehicle data link connector located under the steering
column and turn the ignition key to the "RUN" position.

3. Power ON the StarMOBILE scan tool.

4. Connect the CH9410 ethernet cable to the StarMOBILE and the dealer's network drop.

5. From the desktop, launch the "StarMOBILE Desktop Client" software.

6. From the main menu on the StarMOBILE, select "System Status".

7. Establish a connection with the StarMOBILE scan tool.

8. Select "Flash Download".

9. Select "Next" and then enter your ID and password.

10. Enter the vehicle information (manually or use the automatic function).

11. Highlight the required flash file and select "Download to Client".

12. Select "BACK" then select "ECU View".

13. Select "ABS Antilock Brakes".

14. Select "More Options".

15. Select "ECU Flash".

16. Select "Manage Files".

17. Highlight downloaded flash file.

18. Select "Copy to SM Devise" and then follow the screen prompts.

19. Disconnect the ethernet cable from the StarMOBILE scan tool.

20. Turn off the StarMOBILE scan tool and then restart the scan tool.
NOTE:
The StarMOBILE scan tool must be shut down and restarted to unlock the flash.

21. From the "System Status" screen press the "Exit" button.

22. From the "Main Menu" select "Enter Standalone Diagnostic Mode".

23. Select "ECU View" and press the select button.

Jeep Compass 4wd Workshop Manual (L4-2.4L VIN W (2007))
Jeep Workshop Manuals > Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake
Control Module > Component Information > Technical Service Bulletins > Recalls for Electronic Brake Control Module: >
F50 > Feb > 07 > Recall - ABS Module Reprogramming > Page 94

24. Highlight "ABS" and press the select button.