STOP AND START SYSTEM > Neutral Position Switch Circuit


DESCRIPTION

The neutral position switch detects whether the shift lever is in neutral. While the neutral position switch is off, engine restart operation due to Stop and Start system control is prohibited.

WIRING DIAGRAM


A217713E01


INSPECTION PROCEDURE

1.READ VALUE USING INTELLIGENT TESTER (NEUTRAL SWITCH)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the tester on.

  1. Enter the following menus: Powertrain / Stop and Start / Data List / Neutral Switch.

  1. Read the value when the shift lever is in neutral and any other position.

    OK:
    ON is displayed when the shift lever is in neutral.
    OFF is displayed when the shift lever is in any other position.



NG
Go to step 2
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)  

2.INSPECT NEUTRAL POSITION SWITCH

  1. Inspect the neutral position switch (Click here).



NG
REPLACE NEUTRAL POSITION SWITCH (Click here)
OK


3.CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - NEUTRAL POSITION SWITCH)

  1. Disconnect the neutral position switch connector and the engine stop and start ECU connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    D79-10 (TMN) - B57-2 (TMN)
    		Always
    		Below 1 Ω
    D79-10 (TMN) or B57-2 (TMN) - Body ground
    		Always
    		10 kΩ or higher

  1. Reconnect the neutral position switch connector and the engine stop and start ECU connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK


4.CHECK HARNESS AND CONNECTOR (NEUTRAL POSITION SWITCH - BODY GROUND)

  1. Disconnect the neutral position switch connector.

  1. Measure the resistance according to the value(s) in the table below.

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    B57-1 (TME) - Body ground
    		Always
    		Below 1 Ω

  1. Reconnect the neutral position switch connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (Click here)