Description
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays

TYPE OF STANDARDIZED RELAYS
1M * 1 Make
2M * 2 Make
1T * 1 Transfer
1M*1B * 1 Make 1 Break


Harness connector
Fuse block - junction box (J/B)Door key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the
door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
Front door speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio signals before sending them to the front door
speakers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, BOSE speaker amp. and speaker ...
Turn signal lamp circuit
Description
The BCM monitors inputs from the combination switch to determine when to
activate the turn signals. The BCM outputs voltage direction to the left and
right turn signals during turn signal operation or both during hazard warning
operation. The BCM sends a turn signal indicator requ ...