Murano AWD V6-3.5L (VQ35DE) (2009)
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Is the measurement value within the specification?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the data link connector branch line circuit.
NO - Repair the data link connector branch line.
CAN
ECM 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 following terminals and connectors for damage, bend and loose connection (unit side and connector side).
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Models with automatic back door system
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ECM
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Harness connector E104
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Harness connector B4
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Models without automatic back door system
-
ECM
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Harness connector E105
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Harness connector M11
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 ECM.
2. Check the resistance between the ECM harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the ECM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to See: Testing and Inspection/Component Tests and General Diagnostics/Power
Supply And Ground Circuit.
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 System (Type 1)
ECM 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 following terminals and connectors for damage, bend and loose connection (unit side and connector side).
-
Models with automatic back door system
-
ECM
