Nissan Maxima Service and Repair 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.

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.
  4.  Check voltage between starter motor harness connector F28 terminal S and ground with the ignition in START. 

Nissan Maxima. CHECK  

With ignition switch in START S - ground Battery voltage 

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 

3.CHECK HARNESS CONTINUITY (OPEN/SHORT CIRCUIT)

  1.  Disconnect the following harness connectors.
  •  IPDM E/R connector F10
  • Starter motor connector F28
  1.  Check continuity between starter motor harness connector F28 terminal S and IPDM E/R harness connector F10 terminal 80. 

S - 80 Continuity ex 

  1. Check continuity between starter motor harness connector F28 terminal S and ground. 

S - ground Continuity does not exist 

    B terminal C 
    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 followin ...

    Wiring diagram 
    STARTING SYSTEM  Wiring Diagram ...

    Other materials:

    Removal and installation
    STARTER MOTOR Removal and Installation REMOVAL Remove the battery tray. Refer to PG-68, "Removal and Installation (Battery Tray)".  Disconnect the battery cable (A) and starter harness connector.  Remove the starter bolts, then remove the starter INSTALLATION Installatio ...

    B2560 starter control relay
    Description Starter control relay, integrated in IPDM E/R, permits the starter relay operation when in N or P position. It is installed in parallel with the starter relay. DTC Logic DTC DETECTION LOGIC NOTE: If DTC B2560 is displayed with DTC U1000, first perform the trouble diagno ...

    CAN communication circuit
    Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. 2.CHECK HARNESS CON ...

    Nissan Maxima Owners Manual

    Nissan Maxima Service and Repair Manual

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