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 1)
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:

P0181 FTT Sensor
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0181 FTT SENSOR (Fuel temperature sensor ″A″ circuit range/performance) A) Rationally incorrect voltage from the ...

Basic inspection
Work Procedure 1.INSPECTION START Check service records for any recent repairs that may indicate a related malfunction, or a current need for scheduled maintenance. Open engine hood and check the following: Harness connectors for improper connections Wiring harness for improper c ...

Precautions For Engine Service
DISCONNECTING FUEL PIPING Before starting work, check no fire or spark producing items are in the work area. Release fuel pressure before disconnecting and disassembly. After disconnecting pipes, plug openings to stop fuel leakage. DRAINING ENGINE COOLANT Drain engine coolant and engi ...

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