Dodge Durango 2001 2WD V8 4.7L Workshop Manual

dodge :: Dodge Truck Durango 2WD V8-4.7L VIN
N (2001)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations

Alarm Module: Locations

The SKIM is located on the right side of the steering column, below the ignition lock cylinder housing and is concealed beneath the steering columnshrouds.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 7

Alarm Module: Diagrams

Sentry Key Immobilizer Module

Sentry Key Immobilizer Module

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 8

Alarm Module: Description and Operation

Fig.10 Sentry Key Immobilizer Module

SENTRY KEY IMMOBILIZER MODULE

(SKIM) (SKIS)

The Sentry Key Immobilizer Module is the primary component of the Sentry Key Immobilizer System . The SKIM is located onthe right side of the steering column, below the ignition lock cylinder housing and is concealed beneath the steering column shrouds. The moldedblack plastic housing for the SKIM has an integral molded plastic halo-like antenna ring that extends from one end. When the SKIM is properlyinstalled on the steering column, the antenna ring is oriented around the circumference of the ignition lock cylinder housing. A single integralconnector receptacle containing six terminal pins is located on the opposite end of the SKIM housing from the antenna ring. A stamped metalmounting bracket secured to the SKIM housing has a U-shaped clip formation that is used to secure the unit to the right lower flange of thesteering column jacket.
The SKIM cannot be adjusted or repaired. If faulty or damaged, the entire SKIM unit must be replaced.

(PCI) (PCM) (EMIC)

These communication problems will result in Sentry Key transponder-related faults. The SKIM also communicates over the ProgrammableCommunications Interface data bus with the Powertrain Control Module , the Electro Mechanical Instrument Cluster and/orthe DRB III scan tool.

The SKIM retains in memory the ID numbers of any Sentry Key transponder that is programmed into it. A maximum of eight Sentry Keytransponders can be programmed into the SKIM. For added system security, each SKIM is programmed with a unique Secret Key code. This codeis stored in memory, sent over the PCI data bus to the PCM, and is encoded to the transponder of every Sentry Key that is programmed into theSKIM. Therefore, the Secret Key code is a common element that is found in every component of the Sentry Key Immobilizer System (SKIS).Another security code, called a PIN, is used to gain access to the SKIM Secured Access Mode. The Secured Access Mode is required duringservice to perform the SKIS initialization and Sentry Key transponder programming procedures. The SKIM also stores the Vehicle IdentificationNumber in its memory, which it learns through a PCI data bus message from the PCM during SKIS initialization.(VIN)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 9

Durango 2WD V8-4.7L VIN N (2001)

(RF)

The Sentry Key Immobilizer Module (SKIM) contains a Radio Frequency transceiver and a microprocessor. The SKIM transmits RF signalsto, and receives RF signals from the Sentry Key transponder through a tuned antenna enclosed within the molded plastic antenna ring integral tothe SKIM housing. If this antenna ring is not mounted properly around the ignition lock cylinder housing, communication problems between theSKIM and the transponder may arise.

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

When the ignition switch is turned to the ON position, the SKIM transmits an RF signal to the transponder in the ignition key. The SKIM thenwaits for an RF signal response from the transponder. If the response received identifies the key as valid, the SKIM sends a valid key message tothe PCM over the PCI data bus. If the response received identifies the key as invalid, or if no response is received from the key transponder, theSKIM sends an invalid key message to the PCM. The PCM will enable or disable engine operation based upon the status of the SKIM messages. Itis important to note that the default condition in the PCM is an invalid key; therefore, if no message is received from the SKIM by the PCM, theengine will be disabled and the vehicle immobilized after of running.two seconds

three seconds

The SKIM also sends SKIS indicator status messages to the EMIC over the PCI data bus to tell the EMIC how to operate the SKIS indicator. Thisindicator status message tells the EMIC to turn the indicator ON for about each time the ignition switch is turned to the ON positionas a bulb test. After completion of the bulb test, the SKIM sends indicator status messages to the EMIC to turn the indicator off, turn the indicatorON, or to flash the indicator ON and OFF. If the SKIS indicator flashes or stays ON solid after the bulb test, it signifies a SKIS fault. If the SKIMdetects a system malfunction and/or the SKIS has become inoperative, the SKIS indicator will stay ON solid. If the SKIM detects an invalid key orif a key transponder-related fault exists, the SKIS indicator will flash. If the vehicle is equipped with the Customer Learn transponderprogramming feature, the SKIM will also send messages to the EMIC to flash the SKIS indicator and to generate a single audible chime tonewhenever the Customer Learn programming mode is being utilized. (Refer to VEHICLE THEFT SECURITY - STANDARD PROCEDURE -SENTRY KEY TRANSPONDER PROGRAMMING).

(DTC's)

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 DiagnosticTrouble Codes in SKIM memory if a system malfunction is detected. The SKIM can be diagnosed, and any stored DTC's can be retrievedusing a DRB III scan tool. Refer to the appropriate diagnostic information.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Alarm Module, (Vehicle Antitheft) > Component Information > Locations > Page 10

Alarm Module: Service and Repair
REMOVAL

1. Disconnect and isolate the battery negative cable.2. Remove the steering column opening cover from the instrument panel. 3. If the vehicle is so equipped, grasp the tilt steering column knob firmly and pull it straight rearward to remove it from the tilt steering column
adjuster mechanism lever located on the left side of the column just below the multi-function switch control stalk.

4. From below the steering column, remove the two outboard screws that secure the upper shroud to the lower shroud.5. Push gently inward on both sides of the upper shroud near the parting line between the upper and lower shrouds to release the snap features that
secure it to the lower shroud.

6. Remove the upper shroud from the lower shroud.7. From below the steering column, remove the one center screw that secures the lower shroud to the steering column lock housing.8. Remove the lower shroud from the steering column.

Fig.10 Sentry Key Immobilizer Module

9. Disconnect the instrument panel wire harness connector for the Sentry Key Immobilizer Module from the SKIM connector receptacle.(SKIM)

10. Remove the screw that secures the SKIM to the steering column lock housing.11. Disengage the SKIM antenna ring from around the ignition lock cylinder housing.

INSTALLATION

1. Position the Sentry Key Immobilizer Module (SKIM) onto the steering column with the antenna ring oriented around the ignition lock cylinder
housing.

2 Nm (20 in. lbs.)

2. Install and tighten the screw that secures the SKIM to the steering column lock housing. Tighten the screw to .3. Reconnect the instrument panel wire harness connector for the SKIM to the SKIM connector receptacle.4. Position the lower shroud onto the steering column.5. From below the steering column, install and tighten the one center screw that secures the lower shroud to the steering column lock housing.

Tighten the screw to .2 Nm (20 in. lbs.)

6. Position the upper shroud onto the steering column. If the vehicle is equipped with an automatic transmission, be certain to engage the gearshift
lever gap hider into the openings in the right side of the upper and lower shrouds.

7. Align the snap features on the upper shroud with the receptacles on the lower shroud and apply hand pressure to snap them together.8. From below the steering column, install and tighten the two screws that secure the upper shroud to the lower shroud. Tighten the screws to 2 Nm

.(20 in. lbs.)

9. If the vehicle is so equipped, align the tilt steering column knob with the tilt steering column adjuster mechanism lever located on the left side of
the column just below the multi-function switch control stalk and using hand pressure push the knob firmly onto the lever.

10. Reinstall the steering column opening cover onto the instrument panel. 11. Reconnect the battery negative cable.

> Relays and Modules > Relays and Modules - Body and Frame > Door Module > Component Information > Diagrams

Door Module: Diagrams

Driver Door Module C1

Driver Door Module C2

> Relays and Modules > Relays and Modules - Body and Frame > Power Door Lock Control Module > Component Information > Description and Operation

Power Door Lock Control Module: Description and Operation
DRIVER DOOR MODULE

(DDM)

A Driver Door Module is used on all models equipped with power locks, power windows, and power mirrors. The driver door moduleconsists of a molded plastic housing that is secured with three screws to a molded plastic switch bezel. The switch bezel is secured by metal snapclips within an opening near the forward end of the arm rest in the driver side front door trim panel so that the DDM can be serviced withoutremoving the front door trim panel. Two integral connector receptacles on the back of the DDM connect it to the vehicle electrical system throughtwo take outs and connectors of the left front door wire harness. The DDM houses the following switches:-

Power Lock Switch - The DDM includes a two-way, momentary, resistor multiplexed switch to control the power lock system.

-

Power Mirror Selector Switch - A three-position rocker switch in the DDM selects the right or left power mirror for adjustment, or turns thepower mirror system OFF.

-

Power Mirror Adjustment Switches - Four momentary, arrowhead shaped, directional switches allow the driver to adjust the selected powermirror in the Up, Down, Right, or Left directions.

-

Power Window Lockout Switch - A two-way, latching, push-button switch in the DDM allows the vehicle operator to lock out the powerwindow switches on each passenger door so that the passenger door power windows may be operated only from the master switches in theDDM.

-

Power Window Switches - The DDM houses a two-way, momentary power window switch for the driver side front door. This switch also hasa second detent in the Down direction and internal circuitry to provide an Auto-Down feature for the driver side front door power window. Inaddition to the power window switch for its own door, the DDM houses individual master switches for each passenger door power window.

(LEDs)

The DDM also incorporates several green Light Emitting Diodes that illuminate the power lock and power window switch paddles, andthe power mirror switch directional buttons to improve switch visibility in dark ambient lighting conditions. The DDM cannot be adjusted orrepaired and, if faulty or damaged, the entire DDM unit must be replaced.

The Driver Door Module (DDM) combines a power lock switch, a driver power window switch with an Auto-down feature, master switches foreach passenger door power window, a power window lockout switch, a power mirror selector switch, and four power mirror adjustment switchesin a single unit. The switches in the DDM can be diagnosed using conventional diagnostic tools and methods.

Power Lock Switch
(CTM)

The DDM power lock switch circuitry is connected in series between ground and the driver door switch mux input of the Central Timer Module . Each power lock switch position (Lock, Unlock, and Neutral) provides a different resistance value to the CTM input, which allows theCTM to sense the switch position. Based upon the power lock switch input, the CTM controls the battery and ground feed outputs to the individualpower lock motors to lock or unlock the door and liftgate latches. The Light-Emitting Diode (LED) in the DDM power lock switch is connected tobattery current through the power window circuit breaker in the Junction Block (JB) on a fused ignition switch output (run-acc) circuit so that theswitch will be illuminated whenever the ignition switch is in the ON or Accessory positions.

Power Window Switches (JB)

The DDM power window switch circuitry is connected to battery current through a circuit breaker in the Junction Block on a fused ignitionswitch output (run-acc) circuit so that the power windows will operate whenever the ignition switch is in the ON or Accessory positions. Eachtwo-way, momentary master passenger power window switch in the DDM provides battery current and ground to the individual power windowswitches on each passenger door so that the power window switch controls the battery current and ground feeds to its respective power windowmotor. The DDM switch for the driver side front door power window is labeled with the text "Auto" and includes an auto-down feature. When thisswitch is depressed to a second momentary detent position and released, the driver door power window is automatically operated through aninternal circuit and relay to its fully lowered position. The Auto-down event is cancelled if the switch paddle is depressed a second time in eitherthe Up or Down direction. When the two position window lockout switch in the DDM is depressed and latched in the lockout position, the batterycurrent feed to each of the individual passenger power window switches is interrupted so that the passenger door power windows can only beoperated from the master switches in the DDM. The window lockout switch also controls the battery current feed for the LED in each passengerpower window switch so that the switch will not be illuminated when it is locked out.

Power Mirror Switches

The DDM power mirror switch circuitry is connected to battery current through a fuse in the JB on a fused B(+) circuit so that the power mirrorsremain operational regardless of the ignition switch position. A rocker type selector switch has three positions, one to select the right mirror, one toselect the left mirror, and a neutral OFF position. After the right or left mirror is selected, one of four directional buttons is depressed to move theselected mirror Up, Down, Right or Left. The DDM power mirror switch circuitry controls the battery current and ground feeds to each of the four(two in each mirror head) power mirror motors. The Light-Emitting Diode (LED) in the DDM power mirror switch is connected to battery currentthrough the power window circuit breaker in the Junction Block (JB) on a fused ignition switch output (run-acc) circuit so that the switchdirectional buttons will be illuminated whenever the ignition switch is in the ON or Accessory positions.

> Relays and Modules > Relays and Modules - Body and Frame > Power Door Lock Control Module > Component Information > Description and Operation > Page 18

Power Door Lock Control Module: Testing and Inspection

(LED) (DDM)

(JB)

The Light-Emitting Diode illumination lamps for all of the Driver Door Module power window, power lock, and power mirror switchesreceive battery current through the power window circuit breaker in the Junction Block . If all of the LEDs are inoperative in the DDM, be certain todiagnose the power window system before replacing the switch unit. (Refer to POWER WINDOWS - DIAGNOSIS AND TESTING). If only one LEDin the DDM is inoperative, replace the faulty DDM. If the driver side front door power window operates in a normal manner, but the Auto-Down featureis inoperative, replace the faulty DDM.

1. Disconnect and isolate the battery negative cable. Remove the DDM from the door trim panel. Disconnect the door wire harness connectors for the
DDM from the DDM connector receptacles.

Driver Door Module Switch Tests (Part 1 Of 2)

> Relays and Modules > Relays and Modules - Body and Frame > Power Door Lock Control Module > Component Information > Description and Operation > Page 19

Durango 2WD V8-4.7L VIN N (2001)

Driver Door Module Switch Tests (Part 2 Of 2)

Fig.2 Driver Door Module Connector C1 Receptacle

Fig. 3 Driver Door Module Connector C2 Receptacle

2. Test the DDM switch continuity. See the Driver Door Module Switch Tests chart to determine if the continuity is correct for the suspect switches
in each switch position and/or. If not OK, replace the faulty DDM as required.

> Relays and Modules > Relays and Modules - Body and Frame > Power Door Lock Control Module > Component Information > Description and Operation > Page 20

Power Door Lock Control Module: Service and Repair
REMOVAL

1. Disconnect and isolate the battery negative cable.

Fig. 4 Driver Door Module

2. Using a trim stick or another suitable wide flat bladed tool and starting at the rear of the Driver Door Module bezel, gently pry the DDM(DDM)

up and out from the driver side front door trim panel.

3. Pull the DDM away from the trim panel opening far enough to access the two connector receptacles on the back of the unit.4. Disconnect the two door wire harness connectors for the DDM from the DDM connector receptacles.5. Remove the DDM from the door trim panel.

INSTALLATION

1. Position the Driver Door Module (DDM) to the opening in the driver side front door trim panel.2. Reconnect the two door wire harness connectors for the DDM to the DDM connector receptacles.3. Insert the front of the DDM bezel into the opening in the driver side front door trim panel.4. Using hand pressure, gently and evenly press down on the rear of the DDM bezel until it snaps into place.5. Reconnect the battery negative cable.

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations

Seat Heater Control Module: Locations

Fig. 8 Heated Seat Module - Typical

The heated seat module is located under the heated seat switches, where it is secured to a mounting bracket that is also part of the center console.

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations > Page 24

Heated Seat Module

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations > Page 25

Seat Heater Control Module: Service Precautions

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERINGWHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATETHE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TODISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THEAIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENTAND POSSIBLE PERSONAL INJURY.

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations > Page 26

Seat Heater Control Module: Description and Operation

Fig. 8 Heated Seat Module - Typical

HEATED SEAT MODULE

Vehicles equipped with heated seats utilize a heated seat module. The heated seat module is located under the heated seat switches, where it issecured to a mounting bracket that is also part of the center console. The heated seat module has a single connector receptacle that allows themodule to be connected to all of the required inputs and outputs through the center console wire harness.

(LEDs)

The heated seat module is an electronic microprocessor controlled device designed and programmed to use inputs from the ignition switch, the twoheated seat switches and the two heated seat sensors to operate and control the heated seat elements in both front seats and the two heated seatindicator lamp Light-Emitting Diodes in each heated seat switch. The heated seat module is also programmed to perform self-diagnosis ofcertain heated seat system functions and provide feedback of that diagnosis through the heated seat switch indicator lamps.
The heated seat module cannot be repaired. If the heated seat module is damaged or faulty, the entire module must be replaced.

When a heated seat switch (Driver or Passenger) request signal is received by the heated seat module, the module energizes the proper indicatorlamp (Low or High) in the switch by grounding the indicator lamp circuit to indicate that the heated seat system is operating. At the same time, theheated seat module energizes the selected heated seat sensor circuit and the sensor provides the module with an input indicating the surfacetemperature of the selected seat cushion.

35 C (100.4 F) 42 C (107.6 F)

(N-FET)

The Low heat set point is about , and the High heat set point is about . If the seat cushion surface temperatureinput is below the temperature set point for the selected temperature setting, the heated seat module energizes an N-channel Field Effect Transistor within the module which energizes the heated seat elements in the selected seat cushion and back. When the sensor input to the moduleindicates the correct temperature set point has been achieved, the module de-energizes the N-FET which de-energizes the heated seat elements.The heated seat module will continue to cycle the N-FET as needed to maintain the selected temperature set point.

The heated seat module operates on fused battery current received from the ignition switch. The module is grounded at all times through a groundscrew located on the drivers B-pillar. Inputs to the module include a resistor multiplexed heated seat switch request circuit for each of the twoheated seat switches and the heated seat sensor inputs from the seat cushions of each front seat. In response to those inputs the heated seat modulecontrols battery current feeds to the heated seat elements and sensors, and controls the ground for the heated seat switch indicator lamps.

If the heated seat module detects a heated seat sensor value input that is out of range or a shorted or open heated seat element circuit, it will notifythe vehicle operator or the repair technician of this condition by flashing the High and/or Low indicator lamps in the affected heated seat switch.Refer to Heated Seat System and Heated Seat Module in Electronic Control Modules for the location of the proper heated seat module diagnosisand testing procedures. Also refer to the Body Diagnostic for additional diagnosis and testing procedures.

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations > Page 27

Seat Heater Control Module: Testing and Inspection

Refer to Wiring Diagrams in for the location of complete heated seat system wiring diagrams.

WARNING: ON VEHICLES EQUIPPED WITH AIRBAGS, DISABLE THE AIRBAG SYSTEM BEFORE ATTEMPTING ANY STEERINGWHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. DISCONNECT AND ISOLATETHE BATTERY NEGATIVE (GROUND) CABLE, THEN WAIT TWO MINUTES FOR THE AIRBAG SYSTEM CAPACITOR TODISCHARGE BEFORE PERFORMING FURTHER DIAGNOSIS OR SERVICE. THIS IS THE ONLY SURE WAY TO DISABLE THEAIRBAG SYSTEM. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENTAND POSSIBLE PERSONAL INJURY.

1. If a heated seat fails to heat and one or both of the indicator lamps on a heated seat switch flash, refer to Heated Seat System in the Electrical for

the location of the proper heated seat system diagnosis and testing procedures. If a heated seat heats but one or both indicator lamps on the heatedseat switch fail to operate, test the heated seat switch. Refer to Heated Seat Switch in the heated seat for the location of the proper heated seatswitch diagnosis and testing procedures. If the heated seat switch checks OK, go to Step 4. If both seats (driver and passenger) fail to heat and theindicator lamps on the heated seat switches for both seats fail to operate, test the ignition switch output circuit. If OK, go to Step 2 If not OK,repair the battery feed circuits to the heated seat switches. If only one seat (driver or passenger) fails to heat and the indicator lamps on the heatedseat switch for that seat fail to operate, test that heated seat switch. Refer to Heated Seat Switch in the heated seat for the location of the properheated seat switch diagnosis and testing procedures. If the heated seat switch checks OK, go to Step 3. If a heated seat switch indicator lampremains illuminated after the heated seat has been turned OFF, go to Step 5.

2. Disconnect and isolate the battery negative cable. Disconnect the wire harness connector for the heated seat module from the heated seat module

connector receptacle. Check for continuity between the ground circuit cavity of the wire harness connector for the heated seat module and a goodground. If not OK, repair the open ground circuit to ground as required. If OK, reconnect the battery negative cable. Turn the ignition switch toRUN position and check for battery voltage at the heated seat module connector receptacle. If OK, go to (3). If not OK, repair battery feed circuitto the heated seat module connector receptacle.

3. Turn the ignition switch to the OFF position. Disconnect the wire harness connector for the heated seat module from the heated seat module

connector receptacle. Remove the heated seat switches from the center console. Disconnect the wire harness connector(s) from the connectorreceptacle(s) of the inoperative heated seat switch(es). Check for continuity between the inoperative driver and/or passenger heated seat switchcircuit cavities of the heated seat switch wire harness connector(s) and the heated seat module wire harness connector. There should be continuity.If OK, replace the faulty heated seat module. If not OK, repair the open driver and/or passenger heated seat switch circuit as required.

4. Disconnect and isolate the battery negative cable. Disconnect the wire harness connector for the heated seat module from the heated seat module

connector receptacle. Remove the heated seat switches from the center console. Check for continuity between the inoperative left and/or right seathigh and/or low heat LED driver circuit cavities of the heated seat switch wire harness connector(s) and the heated seat module wire harnessconnector. There should be continuity. If OK, replace the faulty heated seat module. If not OK, repair the open left or right seat high or low heatLED driver circuit as required.

5. Disconnect and isolate the battery negative cable. Disconnect the wire harness connector for the heated seat module from the heated seat module

connector receptacle. Remove the heated seat switches from the center console. Disconnect the center console wire harness connector(s) from theconnector receptacle(s) of the heated seat switch(es) with the inaccurate indicator lamp(s). Check for continuity between the inoperative left and/orright seat high and/or low heat LED driver circuit cavity of the heated seat switch wire harness connector(s) and a good ground. There should beno continuity. If OK, replace the faulty heated seat module. If not OK, repair the shorted left or right seat high or low heat LED driver circuit asrequired.

> Relays and Modules > Relays and Modules - Body and Frame > Seat Heater Control Module > Component Information > Locations > Page 28

Seat Heater Control Module: Service and Repair
REMOVAL

1. Disconnect and isolate the negative battery cable.2. Remove the seat heater switches from the center console. Refer to the procedure in the Heated Seat.3. Open the center console and remove the center console insert and floor mat, if equipped.4. Using a long flat bladed screwdriver, insert the screwdriver through the heated switch mounting holes in the center console and depress the heated
seat module mounting bracket retaining tabs. With the retaining tabs depressed reach into the center console and tilt the front wall of the consolerearward. The heated seat module is now visible.

5. Remove the heated seat module from the mounting bracket by removing the retaining screws.6. Disconnect the center console wire harness connector from the connector receptacle on the back of the heated seat module.7. Remove the heated seat module from the vehicle.

INSTALLATION

1. Position the heated seat module in the center console.2. Connect the center console wire harness connector on the connector receptacle on the back of the heated seat module.3. Install the heated seat module retaining screws.4. Rotate the front center console wall up into position and install the center console insert and floor mat, if equipped.5. Install the seat heater switches in the center console. Refer to the procedure in the heated seat.6. Reconnect the battery negative cable.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Technical Service Bulletins > Customer Interest for

Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged

Controller Antilock Brake: Customer InterestBrakes - Vehicle Surge While Speed Control is Engaged

NUMBER: 08-035-00
GROUP: Electrical
DATE: Nov. 10, 2000

SUBJECT:Vehicle Surge While Speed Control Is Engaged

OVERVIEW:This bulletin involves installing a new antilock brake control module.

MODELS:2001 (AN) Dakota2001 (DN) Durango

NOTE:

THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH SPEED CONTROL (SALES CODE NHM) AND FOUR WHEEL ANTILOCKBRAKES (SALES CODE BGK) BUILT ON OR BEFORE THE ILLUSTRATED DATES:

SYMPTOM/CONDITION:The vehicle surges while the speed control is engaged at 74 - 76 km/h (46 - 47 mph) and/or at 109 - 111 km/h (68 - 69 mph).
DIAGNOSIS/REPAIR PROCEDURES:

Road test the vehicle in a location where vehicle speeds of 74 - 76 km/h (46-47 mph) and/or 109 - 111 km/h (68 - 69 mph) can be maintained safely. Setthe speed control at 74 - 76 km/h (46 - 47 mph) or at 109 - 111 km/h (68 - 69 mph). If the vehicle surges, disengage the speed control. If the vehicle stillsurges, further diagnosis is required. If the vehicle surges only while the speed control is engaged, perform the Repair Procedure.

NOTE:

DUE TO THE NATURE OF THIS CONDITION, IT MAY BE DIFFICULT TO DUPLICATE THE SYMPTOM. IF THE CUSTOMERINDICATES THAT THE VEHICLE SURGES AT 74 - 76 KM/H (46 - 47 MPH) AND/OR AT 109 - 111 KM/H (68 - 69 MPH) ONLY WHENTHE SPEED CONTROL IS ENGAGED, PERFORM THE REPAIR PROCEDURE.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > Customer Interest for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged > Page 38

Durango 2WD V8-4.7L VIN N (2001)

PARTS REQUIRED:

NOTE:

ANTILOCK BRAKE CONTROLLER AVAILABILITY IS RESTRICTED. THE STAR CENTER MUST BE CONTACTED TO GETAUTHORIZATION AND TO ORDER A CONTROLLER. THE STAR CENTER'S PHONE NUMBER IS 1-800-850-STAR (7827). WHEN THEAUTOMATED ANSWERING SYSTEM REQUESTS A GROUP SELECTION, SELECT BRAKES AND THEN SELECT THE KELSEYHAYES GROUP

EQUIPMENT REQUIRED:
REPAIR PROCEDURE:

THIS REPAIR IS COMPATIBLE WITH DAIMLERCHRYSLER'S MOBILE SERVICE PROGRAM AND DOES NOT REQUIRE HOISTS OROTHER FULL SERVICE FACILITY SPECIAL EQUIPMENT.

NOTE:

ONCE THE ANTILOCK BRAKE CONTROL MODULE (CAB) IS REPLACED, THE REAR AXLE TYPE AND TIRE SIZE MUST BEPROGRAMED INTO THE NEW CAB.

1. Disconnect battery negative cable.

2. Push the harness connector locks to release the locks, (Fig. 1) then remove the connectors from the CAB.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > Customer Interest for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged > Page 39

Durango 2WD V8-4.7L VIN N (2001)

3. Disconnect the pump motor connector (Fig. 2).

4. Remove screws attaching CAB to the Hydraulic control Unit (HCU) (Fig. 3).

5. Remove the CAB.

6. Place the new CAB onto the HCU (see Parts Required section).

NOTE:

ENSURE THE CAB SEAL IS IN POSITION BEFORE INSTALLATION.

7. Install the mounting screws and tighten to 4-4.7 N.m (36-42 in. lbs.).

8. Connect the pump motor harness.

9. Connect the harnesses to the CAB and lock the connectors.

10. Connect battery.

NOTE:

THE NEW CAB MUST HAVE THE TIRE SIZE AND AXLE TYPE PROGRAMMED INTO THE NEW CONTROLLER IN ORDER TO HAVETHE CONTROLLER COMMUNICATE THE PROPER VEHICLE SPEED. FAILURE TO PROPERLY PROGRAM THE REPLACEMENT CABWILL RESULT IN A BLINKING ABS INDICATOR.

11. Inspect rear tires to determine tire sizes.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > Customer Interest for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged > Page 40

Durango 2WD V8-4.7L VIN N (2001)

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > Customer Interest for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged > Page 41

Durango 2WD V8-4.7L VIN N (2001)

12. Determine which rear axle type is used on this vehicle. Refer to the following graphics to help in identifying axle types (Fig. 4) (Fig. 5).

13. Using the DRBIII(R) select: MISC in the Antilock Brake menu. Then, SET PINION FACTOR.

NOTE:

THE DRBIII(R) MENU SCREEN CAN ONLY PROGRAM PRODUCTION SIZE TIRES THAT WERE CERTIFIED FOR THE VEHICLEWHEN THE VEHICLE WAS MANUFACTURED. IF THE TIRES ON THE VEHICLE DO NOT MATCH TIRE SIZES AVAILABLE ON THEDRBIII(R) MENU SCREEN, THEN THE TIRE ON THE VEHICLE WAS NEVER CERTIFIED FOR USAGE.

14. Turn the ignition switch to the RUN position (engine not running).

15. With the DRBIII(R), program the correct tire size and rear axle type.

16.

Road test the vehicle above 48 km/h (30 mph) for at least two minutes to ensure that the antilock brake system functions as designed. If the ABSwarning lamp illuminates during the road test, further diagnosis is required. Refer to the appropriate Chassis Diagnostic Manual or the serviceinformation available in the MDS2.

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

FAILURE CODE:

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Technical Service Bulletins > All Technical Service

Bulletins for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is Engaged

Controller Antilock Brake: All Technical Service BulletinsBrakes - Vehicle Surge While Speed Control is Engaged

NUMBER: 08-035-00
GROUP: Electrical
DATE: Nov. 10, 2000

SUBJECT:Vehicle Surge While Speed Control Is Engaged

OVERVIEW:This bulletin involves installing a new antilock brake control module.

MODELS:2001 (AN) Dakota2001 (DN) Durango

NOTE:

THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH SPEED CONTROL (SALES CODE NHM) AND FOUR WHEEL ANTILOCKBRAKES (SALES CODE BGK) BUILT ON OR BEFORE THE ILLUSTRATED DATES:

SYMPTOM/CONDITION:The vehicle surges while the speed control is engaged at 74 - 76 km/h (46 - 47 mph) and/or at 109 - 111 km/h (68 - 69 mph).
DIAGNOSIS/REPAIR PROCEDURES:

Road test the vehicle in a location where vehicle speeds of 74 - 76 km/h (46-47 mph) and/or 109 - 111 km/h (68 - 69 mph) can be maintained safely. Setthe speed control at 74 - 76 km/h (46 - 47 mph) or at 109 - 111 km/h (68 - 69 mph). If the vehicle surges, disengage the speed control. If the vehicle stillsurges, further diagnosis is required. If the vehicle surges only while the speed control is engaged, perform the Repair Procedure.

NOTE:

DUE TO THE NATURE OF THIS CONDITION, IT MAY BE DIFFICULT TO DUPLICATE THE SYMPTOM. IF THE CUSTOMERINDICATES THAT THE VEHICLE SURGES AT 74 - 76 KM/H (46 - 47 MPH) AND/OR AT 109 - 111 KM/H (68 - 69 MPH) ONLY WHENTHE SPEED CONTROL IS ENGAGED, PERFORM THE REPAIR PROCEDURE.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > All Technical Service Bulletins for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is

Engaged > Page 47

Durango 2WD V8-4.7L VIN N (2001)

PARTS REQUIRED:

NOTE:

ANTILOCK BRAKE CONTROLLER AVAILABILITY IS RESTRICTED. THE STAR CENTER MUST BE CONTACTED TO GETAUTHORIZATION AND TO ORDER A CONTROLLER. THE STAR CENTER'S PHONE NUMBER IS 1-800-850-STAR (7827). WHEN THEAUTOMATED ANSWERING SYSTEM REQUESTS A GROUP SELECTION, SELECT BRAKES AND THEN SELECT THE KELSEYHAYES GROUP

EQUIPMENT REQUIRED:
REPAIR PROCEDURE:

THIS REPAIR IS COMPATIBLE WITH DAIMLERCHRYSLER'S MOBILE SERVICE PROGRAM AND DOES NOT REQUIRE HOISTS OROTHER FULL SERVICE FACILITY SPECIAL EQUIPMENT.

NOTE:

ONCE THE ANTILOCK BRAKE CONTROL MODULE (CAB) IS REPLACED, THE REAR AXLE TYPE AND TIRE SIZE MUST BEPROGRAMED INTO THE NEW CAB.

1. Disconnect battery negative cable.

2. Push the harness connector locks to release the locks, (Fig. 1) then remove the connectors from the CAB.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > All Technical Service Bulletins for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is

Engaged > Page 48

Durango 2WD V8-4.7L VIN N (2001)

3. Disconnect the pump motor connector (Fig. 2).

4. Remove screws attaching CAB to the Hydraulic control Unit (HCU) (Fig. 3).

5. Remove the CAB.

6. Place the new CAB onto the HCU (see Parts Required section).

NOTE:

ENSURE THE CAB SEAL IS IN POSITION BEFORE INSTALLATION.

7. Install the mounting screws and tighten to 4-4.7 N.m (36-42 in. lbs.).

8. Connect the pump motor harness.

9. Connect the harnesses to the CAB and lock the connectors.

10. Connect battery.

NOTE:

THE NEW CAB MUST HAVE THE TIRE SIZE AND AXLE TYPE PROGRAMMED INTO THE NEW CONTROLLER IN ORDER TO HAVETHE CONTROLLER COMMUNICATE THE PROPER VEHICLE SPEED. FAILURE TO PROPERLY PROGRAM THE REPLACEMENT CABWILL RESULT IN A BLINKING ABS INDICATOR.

11. Inspect rear tires to determine tire sizes.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > All Technical Service Bulletins for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is

Engaged > Page 49

Durango 2WD V8-4.7L VIN N (2001)

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Technical Service Bulletins > All Technical Service Bulletins for Controller Antilock Brake: > 08-035-00 > Nov > 00 > Brakes - Vehicle Surge While Speed Control is

Engaged > Page 50

Durango 2WD V8-4.7L VIN N (2001)

12. Determine which rear axle type is used on this vehicle. Refer to the following graphics to help in identifying axle types (Fig. 4) (Fig. 5).

13. Using the DRBIII(R) select: MISC in the Antilock Brake menu. Then, SET PINION FACTOR.

NOTE:

THE DRBIII(R) MENU SCREEN CAN ONLY PROGRAM PRODUCTION SIZE TIRES THAT WERE CERTIFIED FOR THE VEHICLEWHEN THE VEHICLE WAS MANUFACTURED. IF THE TIRES ON THE VEHICLE DO NOT MATCH TIRE SIZES AVAILABLE ON THEDRBIII(R) MENU SCREEN, THEN THE TIRE ON THE VEHICLE WAS NEVER CERTIFIED FOR USAGE.

14. Turn the ignition switch to the RUN position (engine not running).

15. With the DRBIII(R), program the correct tire size and rear axle type.

16.

Road test the vehicle above 48 km/h (30 mph) for at least two minutes to ensure that the antilock brake system functions as designed. If the ABSwarning lamp illuminates during the road test, further diagnosis is required. Refer to the appropriate Chassis Diagnostic Manual or the serviceinformation available in the MDS2.

POLICY: Reimbursable within the provisions of the warranty.

TIME ALLOWANCE:

FAILURE CODE:

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Technical Service Bulletins > Page 51

Controller Antilock Brake: Specifications

Controller Mounting Screws 53 in.lb

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Locations > EBC 325

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Locations > EBC 325 > Page 54

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Locations > Page 55

Controller Antilock Brake: Diagrams

Controller Antilock Brake C1

Controller Antilock Brake C2

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Locations > Page 56

Controller Antilock Brake: Description and Operation
CONTROLLER REAR WHEEL ANTILOCK BRAKES

Fig. 3 RWAL Cab

(CAB)

The Controller Antilock Brakes is a microprocessor which handles testing, monitoring and controlling the ABS brake system operation.The CAB functions are:-

Perform self-test diagnostics.

- Monitor the RWAL brake system for proper operation.

- Control the RWAL valve solenoids.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Locations > Page 57

Durango 2WD V8-4.7L VIN N (2001)

Fig. 4 CAB/HCU

The CAB is mounted on the top of the hydraulic control unit. The CAB operates the ABS system and is separate from other vehicle electricalcircuits. CAB voltage source is through the ignition switch in the RUN position.

NOTE:

If the CAB needs to be replaced, the rear axle type and tire revolutions per mile must be programed into the new CAB. For axle type referto Differential and Driveline.

System Self-test

When the ignition switch is turned-ON the microprocessor RAM and ROM are tested. If an error occurs during the test, a DTC will be set into theRAM memory. However it is possible the DTC will not be stored in memory if the error has occurred in the RAM module were the DTC's are

stored. Also it is possible a DTC may not be stored if the error has occurred in the ROM which signals the RAM to store the DTC.

The CAB contains a self check program that illuminates the ABS warning light when a system fault is detected. Faults are stored in a diagnosticprogram memory and are accessible with the DRB scan tool.

ABS faults remain in memory until cleared, or until after the vehicle is started approximately 50 times. Stored faults are not erased if the battery isdisconnected.

CAB Inputs

The CAB continuously monitors the speed of the differential ring gear by monitoring signals generated by the rear wheel speed sensor. The CABdetermines a wheel locking tendency when it recognizes the ring gear is decelerating too rapidly. The CAB monitors the following inputs todetermine when a wheel locking tendency may exists:-

Rear Wheel Speed Sensor

- Brake Lamp Switch

- Brake Warning Lamp Switch

- Reset Switch

- 4WD Switch (If equipped)

CAB Outputs

The CAB controls the following outputs for antilock braking and brake warning information:-

RWAL Valve

- ABS Warning Lamp

- Brake Warning Lamp

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information > Locations > Page 58

Controller Antilock Brake: Service and Repair
REMOVAL

NOTE:

If the CAB needs to be replaced, the rear axle type and tire revolutions per mile must be programed into the new CAB. For axle type refer toDifferential and Driveline.

Fig. 5 Harness Connector Locks

1. Push the CAB harness connector lock to release the lock and remove the connector from the controller.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Controller Antilock Brake <--> [Electronic Brake Control Module] > Component Information >

Locations > Page 59

Durango 2WD V8-4.7L VIN N (2001)

Fig. 6 Pump Motor Connector

2. Remove the RWAL valve harness and the pump motor connectors from the controller.

Fig. 7 RWAL Controller

3. Remove the controller mounting screws and remove the controller from the mounting bracket.

INSTALLATION

If the CAB needs to be replaced, the rear axle type and tire revolutions per mile must be programed into the new CAB.NOTE:

6 Nm (53 in. lbs)

1. Position the controller on the bracket.2. Install the mounting screws and tighten to .3. Install the RWAL valve harness connector into the controller.4. Install the CAB harness connector into the controller and push down on the connector lock.

> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations

Radiator Cooling Fan Motor Relay: Locations

> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations > Page 64

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

is located in the Power Distribution Center (PDC).Radiator Fan Relay

Power Distribution Center (PDC)

is located in the left front corner of the engine compartment, just behind the battery.Power Distribution Center (PDC)

> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations > Page 65

Radiator Cooling Fan Motor Relay: Diagrams

> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations > Page 66

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

Radiator Fan Relay

> Relays and Modules > Relays and Modules - Cooling System > Radiator Cooling Fan Motor Relay > Component Information > Locations > Page 67

Radiator Cooling Fan Motor Relay: Description and Operation
DESCRIPTION

(PDC)

The radiator cooling fan relay is a 5-pin, solenoid type, mini-relay. It is located in the Power Distribution Center . Refer to label on PDC coverfor relay location.

OPERATION

(PCM)

103C (217F)

98C (208F)

The electric radiator cooling fan is controlled by the Powertrain Control Module through the radiator cooling fan relay. The PCM will activatethe relay after receiving inputs from the engine coolant temperature sensor and/or an air conditioning on/off signal. Not Equipped With A/C: The relayis energized when coolant temperature is above approximately . It will then de-energize when coolant temperature drops toapproximately . Equipped With A/C: In addition to using coolant temperatures to control cooling fan operation, the cooling fan will alsobe engaged when the air conditioning system has been activated.

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations

Blower Motor Relay: Locations

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations > Page 72

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

is located in the Power Distribution Center (PDC).Blower Motor Relay

Power Distribution Center (PDC)

is located in the left front corner of the engine compartment, just behind the battery.Power Distribution Center (PDC)

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations > Page 73

Blower Motor Relay: Diagrams

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Locations > Page 74

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

Rear Blower Motor Relay

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations

Compressor Clutch Relay: Locations

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 78

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

is located in the Power Distribution Center (PDC).A/C Clutch Relay

Power Distribution Center (PDC)

is located in the left front corner of the engine compartment, just behind the battery.Power Distribution Center (PDC)

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 79

Compressor Clutch Relay: Diagrams

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 80

Durango 2WD V8-4.7L VIN N (2001)

Power Distribution Center

A/C Compressor Clutch Relay

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 81

Compressor Clutch Relay: Description and Operation
COMPRESSOR CLUTCH RELAY - FRONT

(ISO)

The compressor clutch relay is an International Standards Organization micro-relay. The terminal designations and functions are the same asa conventional ISO relay. However, the micro-relay terminal orientation (footprint) is different, the current capacity is lower, and the relay casedimensions are smaller than those of the conventional ISO relay.

The compressor clutch relay is an electromechanical device that switches battery current to the compressor clutch coil when the PowertrainControl Module (PCM) grounds the coil side of the relay. The PCM responds to inputs from the heater-A/C mode control switch, the evaporatortemperature sensor, the loss of charge switch, and the pressure transducer. See Compressor Clutch Relay in the Diagnosis and Testing for moreinformation.

(PDC)

The compressor clutch relay is located in the Power Distribution Center in the engine compartment. Refer to the PDC label for relayidentification and location.
The compressor clutch relay cannot be repaired and, if faulty or damaged, it must be replaced.

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 82

Compressor Clutch Relay: Testing and Inspection

Fig.12 Compressor Clutch Relay

RELAY TEST

(PDC)

The compressor clutch relay is located in the Power Distribution Center . Refer to the PDC label for relay identification and location. Removethe relay from the PDC to perform the following tests:1. A relay in the de-energized position should have continuity between terminals 87A and 30, and no continuity between terminals 87 and 30. If OK,

go to Step 2. If not OK, replace the faulty relay.

75 5 ohms

2. Resistance between terminals 85 and 86 (electromagnet) should be . If OK, go to Step 3. If not OK, replace the faulty relay.3. Connect a battery to terminals 85 and 86.
There should now be continuity between terminals 30 and 87, and no continuity between terminals 87A and 30. If OK, see the Relay Circuit Testbelow. If not OK, replace the faulty relay.

RELAY CIRCUIT TEST

1. The relay common feed terminal cavity (30) is connected to fused battery feed. There should be battery voltage at the cavity for relay terminal 30
at all times. If OK, go to Step 2. If not OK, repair the open circuit to the fuse in the PDC as required.

A/C compressor clutch relay output circuit cavity of the compressor clutch coil wire harness connector. If OK, go to Step 4. If not OK, repair theopen circuit as required.

4. The relay coil battery terminal (86) is connected to the fused ignition switch output (run/start) circuit. There should be battery voltage at the cavity
for relay terminal 86 with the ignition switch in the ON position. If OK, go to Step 5. If not OK, repair the open circuit to the fuse in the junctionblock as required.

5. The coil ground terminal cavity (85) is switched to ground through the Powertrain Control Module . There should be continuity between(PCM)

this cavity and the A/C compressor clutch relay control circuit cavity of the PCM wire harness connector C (gray) at all times. If not OK, repair theopen circuit as required.

2. The relay normally closed terminal (87A) is not used in this application. Go to Step 3.3. The relay normally open terminal cavity (87) is connected to the compressor clutch coil. There should be continuity between this cavity and the

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Locations > Page 83

Compressor Clutch Relay: Service and Repair
REMOVAL

1. Disconnect and isolate the battery negative cable.

Fig. 13 Power Distribution Center

(PDC)

2. Remove the cover from the Power Distribution Center .3. Refer to the label on the PDC for compressor clutch relay identification and location.4. Unplug the compressor clutch relay from the PDC.

INSTALLATION

1. Install the compressor clutch relay by aligning the relay terminals with the cavities in the PDC and pushing the relay firmly into place.2. Install the PDC cover.3. Connect the battery negative cable.4. Test the relay operation.