Diagnosis Procedure
- CHECK REAR DOOR SPEAKER CIRCUIT FOR OPEN
- Turn ignition switch OFF.
- Disconnect AV control unit harness connector and rear door speaker LH or RH harness connector.
- Check the continuity between AV control unit harness connector and rear door speaker LH or RH harness connector.REAR DOOR SPEAKER LH
AV control unit Rear door speaker LH Continuity Connector Terminal Connector Terminal M8 4 D39 1 Existed 5 2 REAR DOOR SPEAKER RHAV control unit Rear door speaker RH Continuity Connector Terminal Connector Terminal M8 13 D48 1 Existed 14 2
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace malfunctioning parts.
- CHECK REAR DOOR SPEAKER CIRCUIT FOR SHORT TO GROUND
Check the continuity between rear door speaker LH or RH harness connector and ground.
REAR DOOR SPEAKER LHTerminals Continuity (+) (-) Rear door speaker LH Connector Terminal D39 1 Ground Existed 2 REAR DOOR SPEAKER RHTerminals Continuity (+) (-) Rear door speaker RH Connector Terminal D48 1 Ground Existed 2 Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace malfunctioning parts.
- CHECK REAR DOOR SPEAKER CIRCUIT FOR SHORT TO POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between rear door speaker LH or RH harness connector and ground.
REAR DOOR SPEAKER LHTerminals Voltage
(Approx.)(+) (-) Rear door speaker LH Connector Terminal D39 1 Ground 0 V 2 REAR DOOR SPEAKER RHTerminals Voltage
(Approx.)(+) (-) Rear door speaker RH Connector Terminal D48 1 Ground 0 V 2 Is the inspection result normal?
YES
Replace rear door speaker LH or RH. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace malfunctioning parts.