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 ...
U1000 CAN Comm
DTC Logic
DTC DETECTION LOGIC
NOTE:
U1000 can be set if a module harness was disconnected and reconnected, perhaps
during a repair. Confirm
that there are actual CAN diagnostic symptoms and a present DTC by performing
the Self Diagnostic Result
procedure. ...
Parking, license plate and tail lamp
system
PARKING, LICENSE PLATE AND TAIL LAMP SYSTEM : System Diagram
PARKING, LICENSE PLATE AND TAIL LAMP SYSTEM : System Description
PARKING, LICENSE PLATE AND TAIL LAMPS OPERATION
When the combination switch (lighting and turn signal switch) is in 1st
position, BCM detects the LIGHTING
SWITCH ...