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Home >> Nissan-Datsun >> 2012 >> Frontier 2WD L4-2.5L (QR25DE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Information Bus >> Testing and Inspection >> Component Tests and General Diagnostics >> Main Line Between DLC And ABS Circuit
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Main Line Between DLC And ABS Circuit




MAIN LINE BETWEEN DLC AND ABS 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 (connector side and harness side).
-Harness connector M91
-Harness connector E26
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors M91 and E26.
2.Check the continuity between the data link connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the data link connector and the harness connector M91.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of ABS actuator and electric unit (control unit).
2.Check the continuity between the harness connector and the ABS actuator and electric unit (control unit)
harness connector.





Is the inspection result normal?
YES (Present error)-Check the following items again.
- Decision of CAN system type.
- Not received CONSULT data (SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR).
- Procedure for detecting root cause.
YES (Past error)-Error was detected in the main line between the data link connector and the ABS actuator and electric unit (control unit).
NO- Repair the main line between the harness connector E26 and the ABS actuator and electric unit (control unit).
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