POWER SUPPLY AND GROUND CIRCUIT
AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK FUSE
Check that the following fuses are not blown.

Are the fuses blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT

Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK GROUND CIRCUIT

Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
FRONT TWEETER
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "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 TWEETER SIGNAL CIRCUIT CONTINUITY


Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK FRONT TWEETER SIGNAL


Is the inspection result normal? YES >> Replace front tweeter. Refer to AV-66, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-64, "Removal and Installation".
FRONT DOOR SPEAKER
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "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


Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK FRONT DOOR SPEAKER SIGNAL


Is the inspection result normal? YES >> Replace front door speaker. Refer to AV-67, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-64, "Removal and Installation".
REAR DOOR SPEAKER
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "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


Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK REAR DOOR SPEAKER SIGNAL


Is the inspection result normal? YES >> Replace rear door speaker. Refer to AV-68, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-64, "Removal and Installation".
REAR VIEW CAMERA IMAGE SIGNAL CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK REVERSE INPUT SIGNAL

Is inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.CHECK CAMERA POWER SUPPLY CIRCUIT CONTINUITY


Is inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK CAMERA POWER SUPPLY VOLTAGE

Is inspection result normal? YES >> GO TO 4.
NO >> Replace audio unit. Refer to AV-64, "Removal and Installation".
4.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY


Is inspection result normal? YES >> GO TO 5.
NO >> Repair or replace harness or connectors.
5.CHECK CAMERA GROUND CIRCUIT CONTINUITY
Check continuity between audio unit connector M87 and rear view camera connector D504.

Is inspection result normal? YES >> GO TO 6.
NO >> Repair or replace harness or connectors.
6.CHECK CAMERA IMAGE SIGNAL

Is inspection result normal? YES >> Replace audio unit. Refer to AV-64, "Removal and Installation".
NO >> Replace rear view camera. Refer to AV-71, "Removal and Installation".
MICROPHONE SIGNAL CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK HARNESS BETWEEN AUDIO UNIT AND MICROPHONE


Is the inspection result normal? YES >> GO TO 2.
NO >> Repair harness or connectors.
2.CHECK MICROPHONE POWER SUPPLY

Is the inspection result normal? YES >> GO TO 3.
NO >> Replace audio unit. Refer to AV-64, "Removal and Installation".
3.CHECK MICROPHONE SIGNAL
Check signal between terminals of audio unit connector M87.

Is the inspection result normal? YES >> Replace audio unit. Refer to AV-64, "Removal and Installation".
NO >> Replace microphone. Refer to AV-70, "Removal and Installation".
STEERING SWITCH
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

Is the inspection result normal? YES >> GO TO 2.
NO >> Replace steering switches. Refer to AV-65, "Removal and Installation".
2.CHECK HARNESS BETWEEN COMBINATION METER AND COMBINATION SWITCH


Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.CHECK COMBINATION SWITCH
Check continuity between combination switch connectors M90 and M30.

Is the inspection result normal? YES >> GO TO 4.
NO >> Replace spiral cable. Refer to SR-15, "Removal and Installation".
4.CHECK HARNESS BETWEEN COMBINATION METER AND AUDIO UNIT


Is the inspection result normal? YES >> Replace audio unit. Refer to AV-64, "Removal and Installation".
NO >> Repair or replace harness or connectors.
USB CONNECTOR
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK USB INTERFACE HARNESS CONTINUITY


Is the inspection result normal? YES >> Replace the USB interface. Refer to AV-69, "Removal and Installation".
NO >> Repair or replace harness or connectors.
AUXILIARY INPUT JACK
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-27, "Wiring Diagram".
1.CHECK AUX JACK HARNESS CONTINUITY


Is the inspection result normal? YES >> Replace the AUX in jack. Refer to AV-69, "Removal and Installation".
NO >> Repair or replace harness or connectors.
Basic inspection
Symptom diagnosisForward Collision Warning (FCW) system
(if so equipped)
The Forward Collision Warning (FCW) system
will warn the driver by flashing the FCW indicator
light and providing a warning chime when your
vehicle is getting close to the vehicle ahead in the
traveling lane.
The FCW system will function when your vehicle
is driven at speeds of approximately ...
Fusible link inspection
How To Check
A melted fusible link can be detected either by visual inspection or by
feeling with finger tip. If its condition is
questionable, use circuit tester or test lamp.
Fusible link
With stop/start system
Without stop/start system*
*: Not applicable
CAUTION:
If ...
Front door finisher
Exploded View
Front door
Front door pull handle bracket
Front door pull handle
Front power window switch (RH)
finisher
Front door inside handle finisher
Front door finisher
Clip
Pawl
REMOVAL
NOTE:
LH shown, RH similar.
Release pawls using a suitable tool (A) from ...