Nissan Sentra manuals

Nissan Sentra Service Manual: Main line between dlc and hvac circuit

Diagnosis Procedure

1.Check harness continuity (open circuit)

  1. Turn the ignition switch OFF.
  2. Disconnect the battery cable from the negative terminal.
  3. Disconnect the following harness connectors.
  1. Check the continuity between the data link connector and the a/c auto amp. Harness 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 data link connector and the a/c auto amp.

No >> repair the main line between the data link connector and the a/c auto amp.

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 ...

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:

P0603 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0603 ECM BACK UP CIRCUIT [Internal control module keep alive memory (KAM) error] Malfunction in the internal back up RAM o ...

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 ...

Ducts and grilles
Exploded View Heating and cooling unit assembly Center ventilator duct Defroster duct Side ventilator duct (LH) Front floor duct (LH) Rear floor connecting duct (LH) Rear floor duct (LH) Rear floor duct nozzle (LH) Rear floor duct nozzle (RH) Rear floor duct (RH) Rear flo ...

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