Nissan Sentra manuals

Nissan Sentra Service Manual: S connector circuit

Description

The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).

Diagnosis Procedure

Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with Intellignet Key system) or STR-15, "Wiring Diagram" (without Intelligent Key system).

CAUTION:

Perform diagnosis under the condition that engine cannot start by the following procedure.

  1. Remove fuel pump fuse.

  2. Crank or start the engine (where possible) until the fuel pressure is released.

1.CHECK “S” CONNECTOR CIRCUIT

  1. Turn ignition switch OFF.
  2. Disconnect starter motor connector.
  3. Shift selector lever to “P” (Park) or “N” (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models).
  4. Check voltage between starter motor harness connector F28 and ground.

Is the inspection result normal?


Is the inspection result normal? YES >> “S” circuit is OK. Further inspection is necessary. Refer to STR-20, "Work Flow (With GR8-1200 NI)" or STR-24, "Work Flow (Without GR8-1200 NI)".

NO >> GO TO 2.

2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

  1. Disconnect IPDM E/R connector.
  2. Check continuity between starter motor harness connector F28 and the IPDM E/R harness connector E44.

Is the inspection result normal?


Is the inspection result normal? YES >> Further inspection is necessary. Refer to STR-20, "Work Flow (With GR8-1200 NI)" or STR-24, "Work Flow (Without GR8-1200 NI)".

NO >> Repair or replace the harness or connectors.

B terminal circuit
Description Terminal “B” is constantly supplied with battery power. Diagnosis Procedure Regarding Wiring Diagram information, refer to STR-10, "Wiring Diagram" (with Intellig ...

Symptom diagnosis
Starting system Symptom table Symptom Reference No normal cranking Refer to STR-20, "Work Flow (With GR8-1200 NI)" or STR-24, "Work Flow (Without GR8-1200 NI ...

Other materials:

Front disc brake
BRAKE PAD BRAKE PAD : Exploded View Cylinder body Inner shim cover Inner shim Inner pad (with pad wear sensor) Pad retainer Torque member Outer pad Outer shim Outer shim cover Molykote AS880N Molykote 7439 BRAKE PAD : Removal and Installation REMOVAL WARNING: C ...

DTC/circuit diagnosis
U1000 CAN COMM CIRCUIT Description Refer to lan-7, "can communication system : system description". Dtc logic Dtc detection logic Note: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symp ...

BCM 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 bcm for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

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