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 2)
Dtc/circuit diagnosis ...

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 ...

Other materials:

C1109 Power and ground system
DTC Logic DTC DETECTION LOGIC DTC Display Item Malfunction detected condition Possible causes C1109 BATTERY VOLTAGE [ABNORMAL] When ignition voltage is 10 V or less. When ignition voltage is 16 V or more. Harness or connector ...

Control Units and Electrical Parts
PRECAUTIONS Never reverse polarity of battery terminals. Install only parts specified for a vehicle. Before replacing the control unit, check the input and output and functions of the component parts. Do not apply excessive force when disconnecting a connector. Do not apply exce ...

Vehicle information
Body exterior paint color M = Metallic, S = Solid, 2S = Solid and Clear, 2P = 2-Coat Pearl, 3P = 3-Coat Pearl, PM = Pearl Metallic, t = Primerless Diamond Clear coat, Black is solvent based, all others are water based. ...

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