Diagnosis Procedure
- CHECK FUSE
- Turn ignition switch OFF.
- Check 7.5A fuse (No. 34, located in fuse and fusible link block 2).
Is the inspection result normal?
YES
GO TO 2.
NO
Replace the blown fuse after repairing the affected circuit if a fuse is blown.
- CHECK A/C AUTO AMP. BATTERY POWER SUPPLY
- Turn ignition switch ON.
- Check voltage between A/C auto amp. harness connector and ground.
+
-
Voltage
(Approx.)
A/C auto amp.
Connector
Terminal
M36
16
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 3.
NO
Repair A/C auto amp. battery power supply circuit
- CHECK A/C AUTO AMP. GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect A/C auto amp. connector.
- Check continuity between A/C auto amp. harness connector and ground.
A/C auto amp.
--
Continuity
Connector
Terminal
M36
15
Ground
Existed
Is the inspection result normal?
YES
A/C auto amp. power supply and ground circuit are normal.
NO
Repair harness or connector.