Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV "Wiring Diagram".
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect combination switch connector M88.
3. Check resistance between the terminals of combination switch connector
M88.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace steering switches. Refer to AV "Removal and Installation".
2.CHECK COMBINATION SWITCH
Check continuity between combination switch connectors M88 and M30.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace spiral cable. Refer to SR "Removal and Installation".
3.CHECK HARNESS BETWEEN COMBINATION SWITCH AND AV CONTROL UNIT
1. Disconnect AV control unit connector M30.
2. Check continuity between combination switch connector M30 and AV control
unit connector M70.
3. Check continuity between combination switch connector M30 and ground.
Is the inspection result normal?
YES >> Replace AV control unit. Refer to AV "Removal and Installation".
NO >> Repair or replace harness or connectors.
Microphone signal circuitDiagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect AV control ...

Diagnosis Procedure Regarding Wiring Diagram information, refer to AV "Wiring Diagram". 1.CHECK USB INTERFACE HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect AV control uni ...
Parking brake
WARNING
Be sure the parking brake is fully released
before driving. Failure to do so
can cause brake failure and lead to an
accident.
Do not release the parking brake from
outside the vehicle.
Do not use the shift lever in place of the
parking brake. When parking, be sure
the par ...
Shift lock system
Component Function Check
1.CHECK SHIFT LOCK OPERATION (BRAKE PEDAL RELEASED)
Ignition switch ON.
Attempt to shift selector lever to any position other than "P" position
with brake pedal released.
Can the selector lever be shifted?
YES >> Go to TM "Diagnosis Procedure".
...