Diagnosis Procedure
- CHECK FUSE
Check for blown fuses.
Power source Fuse No. Battery 6 Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Be sure to eliminate cause of malfunction before installing new fuse.
- CHECK BATTERY POWER SUPPLY CIRCUIT
Check voltage between display unit harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) Battery power supply M195 11 OFF Battery voltage Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Check harness between display unit and fuse.
- CHECK ACC POWER SUPPLY CIRCUIT
Check voltage between display unit harness connector and ground.
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.) ACC power supply M195 23 ACC Battery voltage Is the inspection result normal?
YES
GO TO STEP 5 .
NO
GO TO STEP 4.
- CHECK ACC POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect display unit harness connector and BCM harness connector.
- Check continuity between display unit harness connector and BCM harness connector.
Display unit BCM Continuity Connector Terminal Connector Terminal M195 7 M122 95 Existed - Check continuity between display unit harness connector and ground.
Display unit Ground Continuity Connector Terminal M195 7 Not existed
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Repair harness or connector.
- CHECK GROUND CIRCUIT
Check continuity between display unit harness connector and ground.
Display unit Ground Continuity Connector Terminal M195 12 Not existed Is the inspection result normal?
YES
INSPECTION END
NO
Repair harness or connector.