Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT

3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to BCS-36, "Diagnosis Procedure".
ECM branch line circuit
DLC branch line circuitHeadlamp
System Diagram
System Description
Control of the headlamp system operation is dependent upon the position of
the combination switch (lighting and turn signal switch). When the lighting
switch is placed in the 2nd position, the BCM (body control module) receives
input requesting the headlam ...
Power supply and ground circuit
A/C AUTO AMP.
A/C AUTO AMP.: Description
COMPONENT DESCRIPTION
A/C Auto Amp. (Air Conditioner Automatic Amplifier)
The A/C auto amp. (1) has a built-in microcomputer that processes
information sent from various sensors needed for air conditioner
operation. The air mix door motor(s), the mode d ...
TPMS
System Diagram
System Description
DESCRIPTION
During driving, the tire pressure monitoring system receives the signal
transmitted from the transmitter installed in each wheel, and turns on the
low tire pressure warning lamp when the tire pressure becomes low.
The
control unit (BCM) for t ...