Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CONNECTOR CHECK
Check the audio 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 audio unit connector M44 and suspect front door speaker connector.
2. Check continuity between audio unit connector M44 and suspect front door
speaker connector.
3. Check continuity between audio unit connector M44 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 audio unit connector M44 and suspect front door speaker connector.
2. Turn ignition switch to ACC.
3. Push audio unit POWER switch.
4. Check signal between the terminals of audio unit connector M44.

Is the inspection result normal?
YES >> Replace front door speaker. Refer to AV "Removal and Installation".
NO >> Replace audio unit. Refer to AV "Removal and Installation".

Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CONNECTOR CHECK Check the audio unit and speaker connectors for the following: Proper conne ...
Diagnosis and repair workflow
Workflow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
>> GO TO 3.
3.CHECK FOR DT ...
Blower fan resistor
Exploded View
1. A/C unit assembly 2. Blower motor 3. Blower fan resistor
Removal and Installation
REMOVAL
Remove instrument panel assembly. Refer to IP "Removal and
Installation".
Disconnect harness connector from the blower fan resistor.
Remove screws and blower fan res ...