Automatic Air Conditioning

POWER SUPPLY AND GROUND CIRCUIT

UNIFIED METER AND A/C AMP. : Diagnosis Procedure


1. CHECK FUSE

Check 10A fuses [Nos. 3, 11 and 19, located in the fuse block (J/B)].
NOTE:
Refer to "Fuse, Connector and Terminal Arrangement" Fuse Block - Junction Box (J/B).
Is the inspection result normal?
YES- GO TO 2.
NO- Check harness for short circuit and replace fuse.

2. CHECK POWER SUPPLY CIRCUIT FOR UNIFIED METER AND A/C AMP.

1.Turn ignition switch OFF.
2.Disconnect unified meter and A/C amp. connector.
3.Check voltage between unified meter and A/C amp. harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair harness or connector.

3. CHECK GROUND CIRCUIT FOR UNIFIED METER AND A/C AMP.

1.Turn ignition switch OFF.
2.Check continuity between unified meter and A/C amp. harness connector and ground.





Is the inspection result normal?
YES- INSPECTION END
NO- Repair harness or connector.