Nissan Altima 2007-2012 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 or N position (CVT models) or the clutch pedal is fully depressed (M/T models).

Diagnosis Procedure

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 F28.

3. Shift CVT selector lever to “P” or “N” position. (CVT models) Press and hold the clutch pedal fully with the control lever in neutral. (M/T models) 4. Check voltage between starter motor harness connector F28 terminal S and ground with the ignition in START.

Is battery voltage present? YES >> “S” circuit is OK. Further inspection necessary. Refer to STR-29, "Work Flow".

NO >> GO TO 2

2.CHECK CONNECTOR

1. Turn ignition switch OFF.

2. Check the following terminals and connectors for damage, bent pins and loose connections.

- IPDM E/R harness connector F10

- Starter motor harness connector F28

Is the inspection result normal? YES >> GO TO 3 NO >> Repair the terminal and connector.

3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the following harness connectors.

- IPDM E/R connector F10

- Starter motor connector F28

2. Check continuity between starter motor harness connector F28 terminal S and IPDM E/R harness connector F10 terminal 80.

Is there proper continuity between the two pins? YES >> Further inspection necessary. Refer to STR-29, "Work Flow".

NO >> Repair the harness.

    B terminal circuit
    Description The “B” terminal is constantly supplied with battery power. Diagnosis Procedure CAUTION: Perform diagnosis under the condition that the engine cannot start by the following proce ...

    Starting system
    Wiring Diagram - Coupe Wiring Diagram - Sedan ...

    Other materials:

    Oil seal
    Removal and Installation of Valve Oil Seal REMOVAL 1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping into cylinder. CAUTION: When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain. 2. Remove ...

    Locking with key
    Driver’s side Manual (if so equipped) To lock a door, turn the key toward the front of the vehicle 1 . To unlock, turn the key toward the rear of the vehicle 2 . Power (if so equipped) The power door lock system allows you to lock or unlock all doors at the same time. Turning the key ...

    ABS branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend and loose connection (unit ...