Diagnosis Procedure

POWER SUPPLY AND GROUND CIRCUIT


A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

Regarding Wiring Diagram information, With Navi or Without Navi.
1.CHECK FOR AUDIO DTCS WITH CONSULT-III
Using CONSULT-III, perform "SELF-DIAGNOSIS RESULTS" of MULTI AV.
Are there any audio DTCs present?
YES - Go to audio DTC index. Testing and Inspection.
NO - GO TO 2.
2.CHECK A/C AND AV SWITCH ASSEMBLY POWER SUPPLY





1. Disconnect the A/C and AV switch assembly connector.
2. Check voltage between A/C and AV switch assembly harness connector M98 terminal 3 and ground.





Is the inspection result normal?
YES - GO TO 4.
NO - GO TO 3.
3.CHECK FUSE
Check 10A fuse [No.17, 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.
4.CHECK A/C AND AV SWITCH ASSEMBLY GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Check continuity between A/C and AV switch assembly harness connector M98 terminal 1 and ground.

1 - Ground : Continuity should exist.

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