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 ...
Idle neutral control
IDLE NEUTRAL CONTROL : System Description
SYSTEM DIAGRAM
DESCRIPTION
If a driver has no intention of starting the vehicle in D position, TCM
operates the low brake solenoid valve and
controls the oil pressure of the low brake to be low pressure. Therefore, the
low brake is in the release ...
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.COLLECT INFORMATION FROM THE CUSTOMER
Get detailed information from the customer about the symptom (the condition
and the environment when the
incident/malfunction occurred) using the diagnostic worksheet. Refer to BRC
"Diagnostic Work Sh ...