UNIFIED METER AND A/C AMP.: Diagnosis Procedure
- CHECK FUSE
Check for blown fuses.
Power source Fuse No. Battery 11 Ignition switch ACC or ON 19 Ignition switch ON or START 3 Is the inspection result normal?
YES: GO TO 2.
NO: Be sure to eliminate cause of malfunction before installing new fuse.
- CHECK POWER SUPPLY CIRCUIT
Check voltage between unified meter and A/C amp. harness connector and ground.
Terminals Ignition switch position Value (Approx.) (+) (-) Unified meter A/C amp. Terminal Signal name M67 54 Battery power supply Ground OFF Battery voltage 41 ACC power supply ACC Battery voltage 53 Ignition power supply ON Battery voltage Is the inspection result normal?
YES: GO TO 3.
NO: Check harness between unified meter and A/C amp. and fuse.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect unified meter and A/C amp. connector.
- Check continuity between unified meter and A/C amp. harness connector and ground.
Unified meter A/C amp. Ground Continuity Connector Terminal M67 55 Existed 71 Existed Is the inspection result normal?
YES: INSPECTION END
NO: Repair harness or connector.