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-3, "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-3, "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:

    P0442 Evap control system
    DTC Logic DTC DETECTION LOGIC This diagnosis detects leakage in the EVAP purge line using engine intake manifold vacuum. If pressure does not increase, the ECM will check for leakage in the line between the fuel tank and EVAP canister purge volume control solenoid valve, under the followin ...

    Front stabilizer
    Removal and Installation REMOVAL 1. Remove steering gear. Refer to ST-17, "Removal and Installation". 2. Remove mounting nuts on upper portion of stabilizer connecting rod. 3. Remove stabilizer clamp bolts. 4. Remove stabilizer from the vehicle. INSPECTION AFTER REMOVAL Check ...

    GPS antenna
    Removal and Installation REMOVAL 1. Remove the combination meter. Refer to MWI-176, "Removal and Installation". 2. Remove the navigation audio unit. Refer to AV-437, "Removal and Installation". 3. Remove the GPS navigation antenna screw (A), then fish the GPS naviga ...