Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitRear door speaker
Removal and Installation
REMOVAL
Remove the rear door finisher. Refer to INT-21, "Removal and
Installation".
Remove the rear door speaker screws (A).
Disconnect the harness connector (B) from the rear door
speaker (1) and remove.
INSTALLATION
Installation is in the r ...
Steering switch
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 SWITCH RESISTANCE
Disconnect steering switch connector M88. ...
Fuel injector
Description
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injector
is energized. The energized coil pulls the ball valve back and
allows fuel to flow via the fuel injector into the intake manifold. T ...