Some audio features can be controlled using the switches on the steering wheel. For details, refer to the “Display Audio System Owner’s Manual” or “Navigation System Owner’s Manual”.
Operation may differ and usage may not be possible with audio/navigation systems that are not compatible with the steering switches in this vehicle.
Audio system types
Fuel consumption display (vehicles with Display Audio system)Inner Rear View Mirror Power Source Circuit
DESCRIPTION
This circuit detects the state of the ignition switch, and sends it to the inner
rear view mirror assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the followin ...
A/C ECU Vehicle Information Reading/Writing Processor Malfunction (B15F5)
DESCRIPTION
This DTC is stored when items controlled by the air conditioning amplifier assembly
cannot be customized via the navigation system vehicle customization screen.
HINT:
The air conditioning amplifier assembly controls the air conditioning system ...
Headlight Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly detects the low beam headlights status.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
First check that the low beam headlights operate normally.
PROCEDURE
1.
CHECK HARNESS AND CON ...