Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
Check DTC of the CAN gateway with CONSULT.
Is U1010 or B2600 indicated?
YES
Perform a diagnosis of the indicated DTC.
NO
GO TO STEP 2 .
- CHECK CONNECTOR
- Turn the ignition switch OFF.
- Disconnect the 12V battery cable from the negative terminal.
- Check the following terminals and connectors of the CAN gateway for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair the terminal and connector.
- CHECK HARNESS FOR OPEN CIRCUIT
- Disconnect the connector of CAN gateway.
- Check the resistance between the CAN gateway harness connector terminals.
CAN gateway harness connector Resistance (Ω) Connector No. Terminal No. M24 1 7 Approx. 54 - 66
Is the measurement value within the specification?
YES
GO TO STEP 4 .
NO
Repair the CAN gateway branch line (CAN communication circuit 1 side).
- CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the CAN gateway. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES (Present error)
Replace the CAN gateway. Refer to REMOVAL AND INSTALLATION .
YES (Past error)
Error was detected in the CAN gateway branch line (CAN communication circuit 1 side).
NO
Repair the power supply and the ground circuit.