STOP AND START SYSTEM Park / Neutral Position Switch Circuit

DESCRIPTION

The engine stop and start ECU detects the neutral position through the park/neutral position switch attached to the transaxle.

WIRING DIAGRAM

Refer to P0617 Click here.

CAUTION / NOTICE / HINT

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. READ VALUE USING GTS (NEUTRAL SWITCH)


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

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

    5. In accordance with the display on the tester, read the Data List.

      Tester Display Measurement Item / Range Normal Condition Diagnostic Note
      Neutral Switch

      park/neutral position switch status /

      ON or OFF

      ON: Shift lever in P or N

      OFF: Shift lever not in P or N

      		 -
      Result
      Result Proceed to
      Data display is not within Normal Condition range A
      Data display is within Normal Condition range B

    B

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

    A

  2. INSPECT PARK/NEUTRAL POSITION SWITCH


    1. Inspect the park/neutral position switch Click here.


    NG

    REPLACE PARK/NEUTRAL POSITION SWITCH Click here

    OK

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


    1. Disconnect the F13 ignition or starter switch assembly connector.

    2. Disconnect the A92 engine stop and start ECU connector.

    3. Disconnect the A58 ECM connector.

    4. Disconnect the B100 park/neutral position switch connector.

    5. Remove the ST relay from No. 2 engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A92-21 (STA) - B100-9 (L) Always Below 1 Ω
      A92-28 (CLL) - B100-4 (B) Always Below 1 Ω
      F13-7 (ST2), B100-4 (B), A92-28 (CLL) or A58-23 (NSW) - Body ground Always 10 kΩ or higher
      ST relay holder 2, B100-9 (L), A92-28 (CLL) or A58-23 (NSW) - Body ground Always 10 kΩ or higher

    OK

    REPLACE ENGINE STOP AND START ECU Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR