Diagnosis Procedure

A/C INDICATOR


Diagnosis Procedure

1.DEFINE THE MALFUNCTION
Define the A/C indicator malfunction.
A/C indicator does not turn ON-GO TO 2.
A/C indicator does not turn OFF-GO TO 6.
2.CHECK FUSE
Check 10A fuse [No. 16, located in the fuse block (J/B)].

NOTE:
Diagrams.
Is inspection result normal?
YES - GO TO 3.
NO - Replace fuse after repairing the applicable circuit.
3.CHECK VOLTAGE BETWEEN A/C CONTROL POWER SUPPLY
1. Turn the ignition switch ON.
2. Check voltage between A/C control harness connector and the ground.





Is inspection result normal?
YES - GO TO 4.
NO - Repair the harness or connector between A/C control and fuse.
4.CHECK VOLTAGE BETWEEN A/C CONTROL AND GROUND
Check voltage between A/C control harness connector and the ground.





Is inspection result normal?
YES - GO TO 5.
NO - Replace the A/C control (A/C indicator).
5.CHECK CONTINUITY BETWEEN A/C CONTROL AND BCM
1. Turn the ignition switch OFF.
2. Disconnect the A/C control connector.
3. Disconnect the BCM connector.
4. Check continuity between A/C control harness connector and BCM harness connector.





Is inspection result normal?
YES - GO TO 6.
NO - Repair the harness or connector.
6.CHECK CONTINUITY BETWEEN A/C CONTROL AND GROUND
1. Check continuity between A/C control harness connector and the ground.





Is inspection result normal?
YES - Replace the BCM. Exploded View.
NO - Repair the harness or connector.