Nissan Sentra Service Manual: Ipdm-e branch line circuit

Nissan Sentra Service Manual / Electrical & power control / Lan system / Can system (type 2) / Ipdm-e 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 ipdm e/r 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.

2.Check harness for open circuit

Disconnect the connector of ipdm e/r.
Check the resistance between the IPDM E/R harness connector terminals

Is the measurement value within the specification?

Is the measurement value within the specification? Yes >> go to 3.

No >> repair the ipdm e/r branch line.

3.Check power supply and ground circuit

Check the power supply and the ground circuit of the IPDM E/R. Refer to the following.

With intelligent key system: refer to bcs-67, "diagnosis procedure".
Without intelligent key system: refer to bcs-120, "diagnosis procedure".

Is the inspection result normal? Yes (present error)>>replace the ipdm e/r. Refer to the following.

With intelligent key system: refer to bcs-73, "removal and installation".
Without intelligent key system: refer to bcs-126, "removal and installation".

Yes (past error)>>error was detected in the ipdm e/r branch line.

No >> repair the power supply and the ground circuit.

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