THEFT DETERRENT SYSTEM(w/ Entry and Start System) Engine Hood Courtesy Switch Circuit

DESCRIPTION


WIRING DIAGRAM

A01X0CME07

PROCEDURE


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


    1. Using the intelligent tester, read the Data List.

      Entry&Start
      Tester Display Measurement Item / Display (Range) Normal Condition Diagnostic Note
      Hood Courtesy Switch

      Engine hood courtesy switch /

      ON or OFF

      ON: Engine hood is open

      OFF: Engine hood is closed

      		 -
      OK
      ON (engine hood is open) appears on screen.

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

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

    A01X56LE01
    for Hood Courtesy Switch Connector 2 Pin Type (for LHD)
    *1 Component without harness connected: (Hood Lock Assembly)
    *2 Unlock Position
    *3 Lock Position

    1. for Hood Courtesy Switch Connector 2 Pin Type (for LHD):


      1. Remove the hood lock Click here.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        1 - 2 Unlock position 10 kΩ or higher
        1 - 2 Lock position Below 1 Ω
      A01X1F1E01
      for Hood Courtesy Switch Connector 2 Pin Type (for RHD)
      *1 Component without harness connected: (Hood Lock Assembly)
      *2 Unlock Position
      *3 Lock Position

    2. for Hood Courtesy Switch Connector 2 Pin Type (for RHD):


      1. Remove the hood lock Click here.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        1 - 2 Unlock position 10 kΩ or higher
        1 - 2 Lock position Below 1 Ω
      A01WYY7E01
      for Hood Courtesy Switch Connector 4 Pin Type
      *1 Component without harness connected: (Hood Lock Assembly)
      *2 Unlock Position
      *3 Lock Position

    3. for Hood Courtesy Switch Connector 4 Pin Type:


      1. Remove the hood lock Click here.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        2 - 4 Unlock position 10 kΩ or higher
        2 - 4 Lock position Below 1 Ω

    NG

    REPLACE HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)

    OK

  3. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - HOOD LOCK AND BODY GROUND)

    A01X4NAE01
    *1 Front view of wire harness connector: (to Certification ECU [Smart Key ECU Assembly])
    *2 HSW
    *3 Front view of wire harness connector: (to Hood Lock)

    1. A01XBZPE01
      *1 Front view of wire harness connector: (to Certification ECU [Smart Key ECU Assembly])
      *2 HSW
      *3 Front view of wire harness connector: (to Hood Lock)

      for Hood Courtesy Switch Connector 2 Pin Type:


      1. Disconnect the E30 ECU connector.

      2. Disconnect the A8 switch connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        E30-24 (HSW) - A8-2 Always Below 1 Ω
        A8-1 - Body ground Always Below 1 Ω
        E30-24 (HSW) or A8-2 - Body ground Always 10 kΩ or higher

    2. for Hood Courtesy Switch Connector 4 Pin Type:


      1. Disconnect the E30 ECU connector.

      2. Disconnect the A8 switch connector.

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

        Standard Resistance
        Tester Connection Condition Specified Condition
        E30-24 (HSW) - A8-2 Always Below 1 Ω
        A8-4 - Body ground Always Below 1 Ω
        E30-24 (HSW) or A8-2 - Body ground Always 10 kΩ or higher

    OK

    REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR