Diagnosis Procedure
- CHECK FUSE
- Turn ignition switch OFF.
- Check that the following fuse is not fusing.
Power source Fuse No. Capacity Battery #7 15 A Ignition switch ACC #1 10 A
Is the fuse fusing?
YES
Replace fuse after repairing the applicable circuit.
NO
GO TO STEP 2 .
- CHECK AV CONTROL UNIT BATTERY POWER SUPPLY
- Turn ignition switch OFF.
- Disconnect AV control unit harness connector.
- Check the voltage between AV control unit harness connector and ground.
Terminals Voltage (+) (-) AV control unit Connector Terminal M8 19 Ground Battery voltage
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Perform trouble diagnosis for battery power supply circuit.
- CHECK AV CONTROL UNIT ACCESSORY POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between AV control unit harness connector and ground.
Terminals Voltage (+) (-) AV control unit Connector Terminal M8 7 Ground Battery voltage
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Perform trouble diagnosis for accessory power supply circuit.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check the continuity between AV control unit and ground.
Terminals Continuity (+) (-) AV control unit Connector Terminal M8 20 Ground Existed
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace malfunctioning parts.