Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure





POWER SUPPLY AND GROUND CIRCUIT


A/C SWITCH ASSEMBLY : Diagnosis Procedure

Regarding Wiring Diagram information, With Monochrome Display.
1.CHECK A/C SWITCH ASSEMBLY POWER SUPPLY





1. Disconnect the A/C switch assembly connector.
2. Turn ignition switch ON.
3. Check voltage between A/C switch assembly harness connector M104 terminal 1 and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 2.
2.CHECK FUSE
Check 10A fuse [No.3, located in the fuse block (J/B)].

NOTE:
Fuse Block - Junction Box (J/B).
Is the inspection result normal?
YES - Check harness for open circuit. Repair or replace if necessary.
NO - Check harness for short circuit. Repair or replace if necessary.
3.CHECK A/C SWITCH ASSEMBLY GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Check continuity between A/C switch assembly harness connector M104 terminal 2 and ground.

2 - Ground : Continuity should exist.

Is the inspection result normal?
YES - Replace the A/C switch assembly. With Monochrome Display.
NO - Repair the harnesses or connectors.