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 REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
1. Disconnect audio unit connector M44 and suspect rear door speaker connector.
2. Check continuity between audio unit connector M44 and suspect rear 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 REAR DOOR SPEAKER SIGNAL
1. Connect audio unit connector M44 and suspect rear 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 rear door speaker. Refer to AV "Removal and Installation".
NO >> Replace audio unit. Refer to AV "Removal and Installation".
Front door speakerDiagnosis 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 Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK BLUETOOTH VOICE SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect audio ...
Maintenance precautions
When performing any inspection or maintenance
work on your vehicle, always take care to prevent
serious accidental injury to yourself or damage to
the vehicle. The following are general precautions
which should be closely observed.
WARNING
Park the vehicle on a level surface, apply
the pa ...
B terminal circuit
Description
Terminal "B" is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR, "Wiring Diagram - With
Intelligent Key System" or
STR, "Wiring Diagram - Without Intelligent Key System".
CAUTION: Perform diagnosis ...