Nissan Sentra Service Manual: Main line between ipdm-e and dlc circuit

Nissan Sentra Service Manual / Electrical & power control / Lan system / Can system (type 1) / Main line between ipdm-e and dlc circuit

Diagnosis procedure

1.Check connector

Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).

Harness connector E4
Harness connector M2

Is the inspection result normal? Yes >> go to 2.

No >> repair the terminal and connector.

2.Check harness continuity (open circuit)

Disconnect the following harness connectors.

Ipdm e/r
Harness connectors e4 and m2

Check the continuity between the ipdm e/r harness connector and the harness connector.

Is the inspection result normal?

Is the inspection result normal? Yes >> go to 3.

No >> repair the main line between the ipdm e/r and the harness connector e4.

3.Check harness continuity (open circuit)

Check the continuity between the harness connector and the data link connector.

Is the inspection result normal?

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 ipdm e/r and the data link connector.

No >> repair the main line between the harness connector m2 and the data link connector.

Ecm branch line circuit

Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ecm for damage, bend and ...

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