STOP AND START SYSTEM Stop and Start Cancel Switch Circuit

DESCRIPTION

Stop and Start system control can be disabled by pressing the stop and start cancel switch assembly. The stop and start cancel switch assembly is a momentary-type switch that switches between on and off when the switch is pressed. While Stop and Start system control is disabled, the stop and start cancel indicator is illuminated to inform the driver.

WIRING DIAGRAM

A005H8TE01
*1 Telltale Light Assembly (Stop and Start Cancel Switch Assembly)
*2 Engine Stop and Start ECU

PROCEDURE


  1. READ VALUE USING GTS (CANCEL 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 / Cancel Switch.

    5. Read the value when the stop and start cancel switch is pressed.

      OK
      ON or OFF is displayed depending on whether the stop and start cancel switch is pressed.

    OK

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

    NG

  2. INSPECT TELLTALE LIGHT ASSEMBLY (STOP AND START CANCEL SWITCH ASSEMBLY)


    1. Inspect the telltale light assembly (stop and start cancel switch assembly) Click here.


    NG

    REPLACE TELLTALE LIGHT ASSEMBLY (STOP AND START CANCEL SWITCH ASSEMBLY) Click here

    OK

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


    1. Disconnect the F21 stop and start cancel switch assembly connector.

    2. Disconnect the F90 engine stop and start ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F90-23 (ECAN) - F21-11 (ECU) Always Below 1 Ω
      F90-23 (ECAN) or F21-11 (ECU) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (STOP AND START CANCEL SWITCH - BODY GROUND)


    1. Disconnect the F90 engine stop and start ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F21-16 (MSW2) - Body ground Always Below 1 Ω

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR