DTC Diagnosis Procedure
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the battery cable from the negative terminal.
- 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.
- CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of BCM.
- Check the resistance between the BCM harness connector terminals.
BCM harness connector
Resistance (Ohm)
Connector No.
Terminal No.
M18
39
40
Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO 3.
NO
Repair the BCM branch line.
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to Diagnosis Procedure .
Is the inspection result normal?
YES
Replace the BCM. Refer to Removal and Installation .
YES
Error was detected in the BCM branch line.
NO
Repair the power supply and the ground circuit.