STOP AND START SYSTEM Engine Hood Courtesy Switch Circuit

DESCRIPTION

The engine hood courtesy switch is installed in the hood lock assembly. This switch turns off when the engine hood is opened and turns on when the engine hood is closed.

If the engine hood is opened while the engine is stopped due to Stop and Start system control, the engine will not be restarted due to Stop and Start system control in case of manual transaxle and with the shift lever in D in case of CVT, but the engine will be restarted with the shift lever in P or N in case of CVT Click here.

WIRING DIAGRAM

A005KFRE01
*a HOOD LOCK ASSEMBLY (Engine Hood Courtesy Switch)
*b ENGINE STOP AND START ECU

PROCEDURE


  1. READ VALUE USING INTELLIGENT TESTER (HOOD COURTESY SWITCH)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the tester on.

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

    5. Read the value displayed on the tester when the engine hood is opened and closed.

      OK
      ON or OFF is displayed depending on whether the engine hood is open or closed.

    OK

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

    NG

  2. INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)


    1. Inspect the hood lock assembly Click here.


    NG

    REPLACE HOOD LOCK ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (ENGINE HOOD LOCK COURTESY SWITCH - BODY GROUND)


    1. Disconnect the A32 engine hood courtesy switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A32-1 - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - ENGINE HOOD COURTESY SWITCH)


    1. Disconnect the A53 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
      A53-18 (BNT1) - A32-2 Always Below 1 Ω
      A53-18 (BNT1) or A32-2 - Body ground Always 10 kΩ or higher

    3. Reconnect the A32 engine hood courtesy switch connector.

    4. Reconnect the A53 engine stop and start ECU connector.


    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR