Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
- Models with Intelligent Key system
- Models without Intelligent Key system
Is the measurement value within the specification?
YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to the following.
Is the inspection result normal?
YES (Present error)>>Replace the BCM. Refer to the following.
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
Diagnosis Procedure 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the steering angle sen ...
Diagnosis Procedure 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connectors on CAN communication ...
With daytime light system
WITH DAYTIME LIGHT SYSTEM : System Diagram
WITH DAYTIME LIGHT SYSTEM : System Description
The headlamp system is equipped with a daytime light relay 1 that activates
the high beam headlamps at
approximately half illumination whenever the engine is operating and the
lighting switch is in t ...
System
System Diagram
System Description
Operation Description
When rear window defogger switch is turned ON while ignition switch is
ON, the front air control (rear window
defogger switch) transmits rear window defogger switch signal to BCM.
BCM turns rear window defogger relay ON whe ...