Description
When one of the steering wheel audio control switches is pushed, the resistance in the steering wheel audio control switch circuit changes, depending on which button is pushed.
Diagnosis Procedure
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE


2.CHECK HARNESS BETWEEN COMBINATION SWITCH (SPIRAL CABLE) AND AV CONTROL UNIT



3.COMBINATION SWITCH (SPIRAL CABLE) CHECK


SubwooferHorizontal synchronizing (HP) signal circuit
Description
In composite image (AUX image, camera image), transmit the vertical
synchronizing (VP) signal and horizontal synchronizing (HP) signal from
display unit to AV control unit so as to synchronize the RGB images displayed
with AV control unit such as the image quality adjusting menu, ...
Rear door speaker
Description
The AV control unit sends audio signals to the rear door speakers using the
rear door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
Proper connection
Damage
Disconnected or loose terminals
2.HA ...
Both side headlamps do not switch to high beam
Description
The headlamps (both sides) do not switch to high beam when the lighting
switch is in the HI or PASS setting.
Diagnosis Procedure
1.COMBINATION SWITCH (LIGHTING AND TURN SIGNAL SWITCH) INSPECTION
Check the combination switch (lighting and turn signal switch).
2.CHECK HEADLAMP (HI) ...