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".
Is the inspection result normal?
ADP branch line circuit
DLC branch line circuitActive noise cancellation/Active sound control (if so equipped).
Active noise cancellation
Front and rear microphones
This system uses three microphones 1 located
inside the vehicle to detect engine booming
noises. The system then automatically generates
a noise canceling sound through the speakers
and woofer to reduce engine booming noise.
NOTE:
To o ...
Variable induction air system
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: ECM determines the start signal status by the signals of engine speed and
battery voltage.
SYSTEM DESCRIPTION
In the medium speed range, the power valves are closed. Under this condition,
the pressure waves of the
...
Can communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...