Mazda MPV 1998 User Manual

mazda :: Mazda Truck MPV LX 2WD V6-3.0L
SOHC (1998)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Locations > CPU

Connector Locations

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Locations > CPU > Page 8

Connector Locations

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information and Instructions

Central Control Module: Diagram Information and Instructions

Routing Diagram

Routing Diagram

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 11

MPV LX 2WD V6-3.0L SOHC (1998)

^ The routing diagram shows where electrical components are on the system circuit diagram by call out line and connector symbols.

Harness Symbols

........................................................................................................................................................................................... Description Of Harness Symbol

Front Harness ..................................................................................................................................................................................................................... (F)Front No.2 Harness .......................................................................................................................................................................................................... (F2)Engine Harness .................................................................................................................................................................................................................. (E)Dash Harness ..................................................................................................................................................................................................................... (D)Rear Harness ...................................................................................................................................................................................................................... (R)Rear No.2 Harness ........................................................................................................................................................................................................... (R2)Rear A Harness ............................................................................................................................................................................................................... (RA)Instrument Panel Harness .................................................................................................................................................................................................... (I)

Emission Harness ........................................................................................................................................................................................................... (EM)Emission No.2 Harness ................................................................................................................................................................................................. (EM2)Emission No.3 Harness ................................................................................................................................................................................................. (EM3)Door No.1 Harness ....................................................................................................................................................................................................... (DR1)Door No.2 Harness ....................................................................................................................................................................................................... (DR2)Door No.3 Harness ....................................................................................................................................................................................................... (DR3)Door No.4 Harness ....................................................................................................................................................................................................... (DR4)Floor Harness ................................................................................................................................................................................................................... (FR)Interior Light Harness ...................................................................................................................................................................................................... (IN)A/C Harness .................................................................................................................................................................................................................... (AC)

Symbols

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 12

MPV LX 2WD V6-3.0L SOHC (1998)

Symbols (Part 1 Of 3)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 13

MPV LX 2WD V6-3.0L SOHC (1998)

Symbols (Part 2 Of 3)

Symbols (Part 3 Of 3)

System Circuit Diagram/Connector Diagram

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 14

MPV LX 2WD V6-3.0L SOHC (1998)

System Circuit Diagram, Connector Diagram (Part 1 Of 2)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 15

MPV LX 2WD V6-3.0L SOHC (1998)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 16

MPV LX 2WD V6-3.0L SOHC (1998)

System Circuit Diagram, Connector Diagram (Part 2 Of 2)

^

OFF

These diagrams show the circuits for each system, from the power supply to the ground. The power supply side is on the upper part, the groundside on the lower part. The diagrams describe circuits with the ignition switch .Below is an explanation of the various points in the diagram.

Wiring Color Code

............................................................................................................................................................................................................................. Color Code

Blue ...................................................................................................................................................................................................................................... LBlack ................................................................................................................................................................................................................................... BBrown ............................................................................................................................................................................................................................... BRDark Blue .......................................................................................................................................................................................................................... DL

Dark Green ....................................................................................................................................................................................................................... DGGreen ................................................................................................................................................................................................................................... GGray .................................................................................................................................................................................................................................. GYLight Blue ......................................................................................................................................................................................................................... LBLight Green ....................................................................................................................................................................................................................... LGNatural ................................................................................................................................................................................................................................. NOrange ................................................................................................................................................................................................................................. OPink ...................................................................................................................................................................................................................................... PRed ...................................................................................................................................................................................................................................... RPurple ................................................................................................................................................................................................................................ PUSky Blue ............................................................................................................................................................................................................................ SBTan ....................................................................................................................................................................................................................................... TWhite .................................................................................................................................................................................................................................. WYellow ................................................................................................................................................................................................................................. YViolet ................................................................................................................................................................................................................................... V

Ground Points

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 17

MPV LX 2WD V6-3.0L SOHC (1998)

Ground Points

^ This shows ground points of the harness.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information and Instructions > Page 18

Central Control Module: Connector Views

CPU- Connectors

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 19

MPV LX 2WD V6-3.0L SOHC (1998)

Interior Lights, Spot Lights, Cargo Compartment Light, CPU- Connectors

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information and Instructions > Page 20

Central Control Module: Electrical Diagrams

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Diagram Information

and Instructions > Page 21

MPV LX 2WD V6-3.0L SOHC (1998)

CPU

Interior Lights, Spot Lights, Cargo Compartment Light, CPU

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Page 22

Central Control Module: Testing and Inspection

1. Remove the driver's side front scuff plate.2. Remove the driver's side front side trim.3. Remove the nut and bolt to remove the cover.4. Remove the nut fixed in the CPU.5. Follow the appropriate procedure, referring to the terminal voltage list.

All terminals of the connector A

^NOTE:

The voltage cannot be measured nor can a continuity to ground check be performed at the terminals of connector A with connectors connectedto the joint box.

^

Remove the CPU from the joint box, then measure the voltage or check for continuity to ground at the CPU terminals from the joint box sidewith the joint box connectors connected.

^Terminals 2A, 2G, 2L, 2M, and 2O of connector B

Disconnect the CPU connector before checking for continuity at terminals 2A, 2G, 2L, 2M, and 2O as shown in the figure.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Page 23

MPV LX 2WD V6-3.0L SOHC (1998)

^Terminals except 2A, 2G, 2L, 2M, and 2O of the connector B

Measure the voltage at the CPU connector while it is connected with the CPU as shown in the figure.

6. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harnesses.7. If the parts and wiring harnesses are okay but system still does not work properly, replace the CPU.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Page 24

MPV LX 2WD V6-3.0L SOHC (1998)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Page 25

MPV LX 2WD V6-3.0L SOHC (1998)

Terminal voltage list (reference)

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Central Control Module > Component Information > Diagrams > Page 26

Central Control Module: Service and Repair

1. Disconnect the negative battery cable.2. Remove the driver's side front scuff plate.3. Remove the driver's side front side trim.

4. Remove in the order indicated in the table.5. Install in the reverse order of removal.6. Install the driver's side front side trim.7. Install the driver's side front scuff plate.8. Connect the negative battery cable.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless Entry Module > Component Information > Testing and Inspection > Component Tests and General Diagnostics

Keyless Entry Module: Component Tests and General Diagnostics

1. Remove the glove compartment cover.

2. Measure the voltage at the keyless unit terminals.3. If not as specified inspect the parts listed under "Inspection area" and the related wiring harnesses.

Terminal voltage list

4. If the parts and wiring harnesses are OK but the system still does not work properly, replace the keyless unit.

^Terminal B Inspection

Inspect in the order of step 1, 2 and 3.

Normal voltage

4.5 - 5.5 V

5. If not as specified, inspect the CPU and the harness between the CPU and the keyless unit.6. If as specified, inspect for step 2.

Step 2

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless Entry Module > Component Information > Testing and Inspection >

Component Tests and General Diagnostics > Page 31

MPV LX 2WD V6-3.0L SOHC (1998)

Step 1

1. Disconnect the negative battery cable.2. Disconnect the keyless unit connector.3. Connect the negative battery cable.4. Verify that the normal voltage is indicated.

1. Disconnect the negative battery cable.2. Connect the keyless unit connector.3. Connect the negative battery cable.4. Measure the voltage by using a voltmeter.

5. Verify that the voltage is as specified for the voltage measured in step 1.6. If not as specified, replace the keyless unit.7. If as specified, inspect for step 3.

1. Press the LOCK or UNLOCK bottom of the transmitter 10 times in intervals, and verify that the voltage is as specified.Step 3 0.5 seconds

Normal voltage

0 - 1 V

2. If not as specified, inspect the keyless antenna and the transmitter.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless Entry Module > Component Information > Testing and Inspection > Component Tests and General Diagnostics > Page 32

Keyless Entry Module: Programming and Relearning

CAUTION:

^

Because up to three ID codes can be programmed into the keyless unit, the vehicle may be stolen with the ID code of an unused transmitter. inorder to prevent this, the ID codes for all three transmitters must be reprogrammed when reprogramming an ID code. Also, when one or twotransmitters are used, the ID code must be programmed three times with the same transmitter.

^ When programming the ID code into a transmitter, verify that other transmitters are not being operated in the vicinity.
^ Program the ID code as indicated in the procedures.

> Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Keyless Entry Module > Component Information > Testing and Inspection > Page 33

Keyless Entry Module: Service and Repair

1. Disconnect the negative battery cable.2. Remove the glove compartment cover.3. Remove the keyless unit installation bolt.

4. Disconnect the keyless unit connector, and remove the keyless unit.5. Install in the reverse order of removal.

> Relays and Modules > Relays and Modules - Body and Frame > Door Module > Component Information > Testing and Inspection

Door Module: Testing and Inspection

1. Remove the glove compartment cover.2. Remove the door lock timer unit installation bolt.3. Measure the voltage at the door lock timer unit terminals by using a voltmeter.

4. To inspect the continuity of terminal J, disconnect the door lock timer unit connector.

Terminal voltage list (Reference)

5. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harness.

> Relays and Modules > Relays and Modules - Body and Frame > Door Module > Component Information > Testing and Inspection > Page 38

Door Module: Service and Repair

1. Disconnect the negative battery cable.2. Remove the side panel.3. Remove the glove compartment.4. Remove the glove compartment cover.5. Remove the door lock timer unit installation bolt.

6. Disconnect the door lock timer unit connector, and remove the door lock timer unit.7. Install in the reverse order of removal.

> Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module > Component Information > Testing and Inspection > Component Tests and General Diagnostics

Keyless Entry Module: Component Tests and General Diagnostics

1. Remove the glove compartment cover.

2. Measure the voltage at the keyless unit terminals.3. If not as specified inspect the parts listed under "Inspection area" and the related wiring harnesses.

Terminal voltage list

4. If the parts and wiring harnesses are OK but the system still does not work properly, replace the keyless unit.

^Terminal B Inspection

Inspect in the order of step 1, 2 and 3.

Normal voltage

4.5 - 5.5 V

5. If not as specified, inspect the CPU and the harness between the CPU and the keyless unit.6. If as specified, inspect for step 2.

Step 2

> Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module > Component Information > Testing and Inspection > Component Tests and General

Diagnostics > Page 43

MPV LX 2WD V6-3.0L SOHC (1998)

Step 1

1. Disconnect the negative battery cable.2. Disconnect the keyless unit connector.3. Connect the negative battery cable.4. Verify that the normal voltage is indicated.

1. Disconnect the negative battery cable.2. Connect the keyless unit connector.3. Connect the negative battery cable.4. Measure the voltage by using a voltmeter.

5. Verify that the voltage is as specified for the voltage measured in step 1.6. If not as specified, replace the keyless unit.7. If as specified, inspect for step 3.

1. Press the LOCK or UNLOCK bottom of the transmitter 10 times in intervals, and verify that the voltage is as specified.Step 3 0.5 seconds

Normal voltage

0 - 1 V

2. If not as specified, inspect the keyless antenna and the transmitter.

> Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module > Component Information > Testing and Inspection > Component Tests and General Diagnostics > Page 44

Keyless Entry Module: Programming and Relearning

CAUTION:

^

Because up to three ID codes can be programmed into the keyless unit, the vehicle may be stolen with the ID code of an unused transmitter. inorder to prevent this, the ID codes for all three transmitters must be reprogrammed when reprogramming an ID code. Also, when one or twotransmitters are used, the ID code must be programmed three times with the same transmitter.

^ When programming the ID code into a transmitter, verify that other transmitters are not being operated in the vicinity.
^ Program the ID code as indicated in the procedures.

> Relays and Modules > Relays and Modules - Body and Frame > Keyless Entry Module > Component Information > Testing and Inspection > Page 45

Keyless Entry Module: Service and Repair

1. Disconnect the negative battery cable.2. Remove the glove compartment cover.3. Remove the keyless unit installation bolt.

4. Disconnect the keyless unit connector, and remove the keyless unit.5. Install in the reverse order of removal.

> Relays and Modules > Relays and Modules - Body and Frame > Sunroof / Moonroof Relay > Component Information > Testing and Inspection

Sunroof / Moonroof Relay: Testing and Inspection

1. Remove the front headliner.

2. Measure the voltage at the sunroof relay terminals

Terminal voltage list (reference)

3. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harness.4. If the parts and wiring harness are okay but the system still does not work properly, replace the sunroof relay.

> Relays and Modules > Relays and Modules - Body and Frame > Sunroof / Moonroof Relay > Component Information > Testing and Inspection > Page 49

Sunroof / Moonroof Relay: Service and Repair

1. Disconnect the negative battery cable.2. Remove the front headliner.3. Disconnect the sunroof relay connector.

4. Remove the sunroof relay installation screw, and remove the sunroof relay.5. Install in the reverse order of removal.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Locations

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Locations > Page 54

Electronic Brake Control Module: Testing and Inspection

1. Disconnect the ABS CM connector with the ignition switch at OFF.

Be careful not to damage the terminals during inspection.CAUTION:

2. Insert a thin isolation plate to the short bar of the connector

3. Attach a wire to the tester lead to avoid damaging the terminals then inspect voltage, resistance or continuity, referring to the following table.

> Relays and Modules > Relays and Modules - Brakes and Traction Control > Electronic Brake Control Module > Component Information > Locations > Page 55

MPV LX 2WD V6-3.0L SOHC (1998)

SEE ALSO: Refer to Hydraulic Assembly testing procedures.

> Relays and Modules > Relays and Modules - Cruise Control > Cruise Control Module > Component Information > Testing and Inspection

Cruise Control Module: Testing and Inspection

1. Remove the passenger's side front scuff plate.2. Remove the passenger's side front side trim.3. Remove the cruise control module without disconnecting the connector.4. Measure the voltage at the cruise control module terminals as indicated below.5. Disconnect the cruise control module connector before checking for continuity at terminal T.6. If not as specified, inspect the parts listed under "Inspection area" and the related wiring harnesses.7. If the parts and wiring harnesses are okay but the system still does not work properly, replace the cruise control module.

> Relays and Modules > Relays and Modules - Cruise Control > Cruise Control Module > Component Information > Testing and Inspection > Page 60

MPV LX 2WD V6-3.0L SOHC (1998)

Terminal Voltage List (reference)

> Relays and Modules > Relays and Modules - Cruise Control > Cruise Control Module > Component Information > Testing and Inspection > Page 61

Cruise Control Module: Service and Repair

1. Disconnect the negative battery cable.2. Remove the passenger's side front scuff plate.3. Remove the passenger's side front side trim.4. Remove in the order indicated in the table.5. Install in the reverse order of removal.6. Install the passenger's side front side trim.7. Install the passenger's side front scuff plate.8. Connect the negative battery cable.

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Testing and Inspection > Front Blower Relay

Blower Motor Relay: Testing and InspectionFront Blower Relay

1. Disconnect the negative battery cable.2. Remove the front blower relay.3. Check for continuity between the front blower relay terminals by using an ohmmeter.4. If not as specified, replace the front blower relay.

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Testing and Inspection > Front Blower Relay > Page 67

Blower Motor Relay: Testing and InspectionRear Blower Relay

1. Disconnect the negative battery cable.2. Remove the rear side trim (LH).3. Disconnect the rear blower relay connector.4. Check for continuity between the rear blower relay terminals by using an ohmmeter.5. If not as specified, replace the rear blower relay.

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Testing and Inspection > Front Blower Relay > Page 68

Blower Motor Relay: Testing and InspectionRear Heater Blower Relay

1. Disconnect the negative battery cable.2. Remove the rear heater blower relay.3. Check for continuity between the rear heater blower relay terminals by using an ohmmeter.4. If not as specified, replace the rear heater blower relay.

> Relays and Modules > Relays and Modules - HVAC > Blower Motor Relay > Component Information > Testing and Inspection > Page 69

Blower Motor Relay: Service and Repair

1. Disconnect the negative battery cable.2. Remove the passenger's front side trim.3. Remove in the order indicated in the table.4. Install in the reverse order of removal.

> Relays and Modules > Relays and Modules - HVAC > Compressor Clutch Relay > Component Information > Testing and Inspection

Compressor Clutch Relay: Testing and Inspection

1. Disconnect the negative battery cable.2. Remove the A/C relay.3. Check for continuity between the A/C relay terminals by using an ohmmeter.4. If not as specified, replace the A/C relay.

> Relays and Modules > Relays and Modules - HVAC > Condenser Fan Motor Relay, HVAC > Component Information > Testing and Inspection

Condenser Fan Motor Relay: Testing and Inspection

1. Disconnect the negative battery cable.2. Remove the condenser fan relay.3. Check for continuity between the condenser fan relay terminals by using an ohmmeter.4. If not as specified, replace the condenser fan relay.

> Relays and Modules > Relays and Modules - HVAC > Refrigerant Control Solenoid Valve Relay > Component Information > Testing and Inspection

Refrigerant Control Solenoid Valve Relay: Testing and Inspection

1. Disconnect the negative battery cable.2. Remove the rear side trim (LH).3. Disconnect the A/C solenoid valve relay connector.4. Check for continuity between the A/C solenoid valve relay terminals by using an ohmmeter.5. If not as specified, replace the A/C solenoid valve relay.

> Relays and Modules > Relays and Modules - Lighting and Horns > Daytime Running Lamp Relay > Component Information > Locations

> Relays and Modules > Relays and Modules - Lighting and Horns > Daytime Running Lamp Relay > Component Information > Locations > Page 83

Daytime Running Lamp Relay: Testing and Inspection

1. Remove the DRL relay.2. Check for continuity between the DRL relay terminals by using an ohmmeter.3. If not as specified, replace the DRL relay.

> Relays and Modules > Relays and Modules - Lighting and Horns > Fog/Driving Lamp Relay > Component Information > Locations

> Relays and Modules > Relays and Modules - Lighting and Horns > Fog/Driving Lamp Relay > Component Information > Locations > Page 87

Fog/Driving Lamp Relay: Testing and Inspection

1. Disconnect the negative battery cable.2. Remove the front fog light relay.3. Check for continuity between the front fog light relay terminals by using an ohmmeter.4. If not as specified, replace the front fog light relay.

> Relays and Modules > Relays and Modules - Lighting and Horns > Horn Relay > Component Information > Locations

> Relays and Modules > Relays and Modules - Lighting and Horns > Horn Relay > Component Information > Locations > Page 91

Horn Relay: Testing and Inspection

1. Remove the horn relay.

2. Check for continuity between the horn relay terminals by using an ohmmeter.3. If not as specified, replace the horn relay.