Nissan Sentra manuals

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

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

No >> repair the terminal and connector.

2.Check harness continuity (open circuit)

  1. Disconnect the following harness connectors.
  1. 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.

Can system (type 3)
Dtc/circuit diagnosis ...

Main line between dlc and av circuit
Diagnosis procedure 1.Check harness continuity (open circuit) Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Disconnect the following harness connector ...

Other materials:

Checking bulbs
With all doors closed, apply the parking brake and place the ignition switch in the ON position without starting the engine. The following lights will come on: If equipped, the following lights come on briefly and then go off: If any light fails to come on, it may indicate an open circuit ...

Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW Work Flow NOTE: “DTC” includes DTC at the 1st trip. 1.OBTAIN INFORMATION ABOUT SYMPTOM Refer to TM-140, "Diagnostic Work Sheet" and interview the customer to obtain the malfunction information (conditions and environment when the malfunctio ...

C1601 Battery power supply
DTC Logic DTC DETECTION LOGIC DTC Display item Malfunction detected condition Possible cause C1601 BATTERY VOLT When a power supply voltage to the EPS control unit is maintained at 17.5 V or more or at less than 9 V continuously for five second or more. ...

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