Diagnosis Procedure
1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
3. CHECK BCM OUTPUT SIGNAL
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Tweeter
Description
The AV control unit sends audio signals to the BOSE speaker amp. The BOSE
speaker amp. amplifies the
audio signals before sending them to the tweeters using the audio signal
circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker ...
Climate controlled seat switch
Description
Provides inputs to the climate controlled seat control unit for climate
controlled seat operation.
Component Function Check
1.CHECK CLIMATE CONTROLLED SEAT SWITCH FUNCTION
Turn the climate controlled seat switch to the H (Heat) LO, MED, and HI
positions and the C (Cool) LO, MED, ...
Battery saver output/power supply circuit
Description
Provides the interior room lamp power supply. Also cuts the power supply when
the interior room lamp battery saver is activated.
Component Function Check
1.CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT
Turn ignition switch ON.
Turn each interior room lamp ON.
...