Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
Is the inspection result normal?
YES >> GO TO 2
NO >> Repair the terminals or connectors.
2.CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect AV control unit connector M70 and suspect front door speaker connector.
2. Check continuity between AV control unit connector M70 and suspect front
door speaker connector.
3. Check continuity between AV control unit connector M70 and ground.
Is the inspection result normal?
YES >> GO TO 3
NO >> Repair or replace harness or connectors.
3.CHECK FRONT DOOR SPEAKER SIGNAL
1. Connect AV control unit connector M70 and suspect front door speaker connector.
2. Turn ignition switch to ACC.
3. Push AV control unit POWER switch.
4. Check signal between the terminals of AV control unit connector M70.

Is the inspection result normal?
YES >> Replace front door speaker. Refer to AV "Removal and Installation".
NO >> Replace AV control unit. Refer to AV "Removal and Installation".
Power supply and ground circuitAV CONTROL UNIT AV CONTROL UNIT : Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK FUSE Check that the following fuses are not blown. Are ...

Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CONNECTOR CHECK Check the AV control unit and speaker connectors for the following: Proper ...
Power outlets
Instrument panel
Console (if so equipped)
The power outlets are for powering electrical
accessories such as cellular telephones. The
outlets are rated at 12 volt, 120W (10A) maximum.
CAUTION
The outlet and plug may be hot during
or immediately after use.
Only certain power outlets ...
Car phone or CB radio
When installing a CB, ham radio or car phone in
your vehicle, be sure to observe the following
precautions; otherwise, the new equipment may
adversely affect the engine control system and
other electronic parts.
WARNING
A cellular phone should not be used for
any purpose while driving so ...