Murano AWD V6-3.5L (VQ35DE) (2009)
MAIN LINE BETWEEN M&A AND DLC CIRCUIT
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect the following harness connectors.
-
ECM
-
Combination meter
4. Check the continuity between the combination meter harness connector and the data link connector.
Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the combination meter and the data link connector.
NO - Repair the main line between the combination meter and the data link connector.
CAN
ADP 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).
-
Driver seat control unit
-
Harness connector B460
-
Harness connector B19
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 driver seat control unit.
2. Check the resistance between the driver seat control unit harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the driver seat control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the driver seat control unit. Refer to See: Accessories and Optional Equipment/Memory Positioning
Systems/Testing and Inspection/Component Tests and General Diagnostics/Power Supply And Ground Circuit/Driver Seat Control Unit/Diagnosis
Procedure See: Accessories and Optional Equipment/Memory Positioning Systems/Testing and Inspection/Component Tests and General
Diagnostics/Power Supply And Ground Circuit/Driver Seat Control Unit/Special Repair Requirement See: Accessories and Optional
Equipment/Memory Positioning Systems/Testing and Inspection/Component Tests and General Diagnostics/Power Supply And Ground
Circuit/Automatic Drive Positioner Control Unit/Diagnosis Procedure.
Is the inspection result normal?
YES (Present error)-Replace the driver seat control unit. Refer to See: Accessories and Optional Equipment/Memory Positioning Systems/Memory
Positioning Module/Service and Repair/Driver Seat Control Unit.
YES (Past error)-Error was detected in the driver seat control unit branch line.
NO - Repair the power supply and the ground circuit.