Commercial Service Tools

Precautions
BCM (Body control module))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, ...
Parking lamp circuit
Description
The IPDM E/R (intelligent power distribution module engine room) controls the
tail lamp relay based on inputs from the BCM over the CAN communication
lines. When the tail lamp relay is energized, power flows through fuses 46
and 47, located in the IPDM E/R. Power then flows to the ...
Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the AV control unit
using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
Turn ignition switch OFF.
Disconnect AV control unit connector and microphone connector ...