Murano AWD V6-3.5L (VQ35DE) (2009)
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Is the inspection result normal?
YES (Present error)-Replace the ECM. Refer to See: Testing and Inspection/Programming and Relearning/Additional Service When Replacing
Control Unit/Description See: Testing and Inspection/Programming and Relearning/Additional Service When Replacing Control Unit/Special Repair
Requirement See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Idle Speed/Description.
YES (Past error)-Error was detected in the ECM branch line.
NO - Repair the power supply and the ground circuit.
CAN
BCM BRANCH LINE 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 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.
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 See: Body and Frame/Body Control Systems/Testing and Inspection/Component
Tests and General Diagnostics/Power Supply And Ground Circuit.
Is the inspection result normal?
YES (Present error)-Replace the BCM. Refer to See: Body Control Module/Service and Repair/Body Control System/Removal And Installation.
YES (Past error)-Error was detected in the BCM branch line.
NO - Repair the power supply and the ground circuit.
CAN System (Type 1)
BCM BRANCH LINE 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 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.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the BCM branch line.