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RELAY ON-VEHICLE INSPECTION

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PROCEDURE


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    INSPECT HEADLIGHT RELAY (H-LP LO, H-LP LH Relay)


    1. A01X4IP

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage is applied to terminals 1 and 2 Below 1 Ω

      If the result is not as specified, replace the headlight relay.

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    INSPECT HEADLIGHT RELAY (H-LP HI, H-LP RH Relay)


    1. A01X4IP

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage is applied to terminals 1 and 2 Below 1 Ω

      If the result is not as specified, replace the headlight relay.

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    INSPECT FOG LIGHT RELAY (FR FOG)


    1. A01X4IP

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage is not applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage is applied to terminals 1 and 2 Below 1 Ω

      If the result is not as specified, replace the fog relay.

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    INSPECT STOP LIGHT CONTROL RELAY ASSEMBLY


    1. A01X761E01

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A39-6 (+B) - A39-4 (GND) Always 11 to 14 V
      A39-2 (STP) - Body grand Brake pedal depressed 11 to 14 V
      Brake pedal not depressed Below 1 V
      A39-8 (OUT) - Body grand Brake pedal depressed 11 to 14 V
      Brake pedal not depressed Below 1 V

      If the result is not as specified, replace the stop light control relay assembly.

      Table 1. Text in Illustration
      *a

      Component with harness connected

      (Stop Light Control Relay Assembly
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    INSPECT INTEGRATION RELAY (DRL)

    Table 2. Text in Illustration
    *A for LHD *B for RHD
    *a

    Component without harness connected

    (Integration Relay)

    		 - -
    Note:

    • The DRL relay is built into the integration relay.

    • Before performing the relay inspections for the relays of the integration relay, inspect the DRL fuse.


    1. Inspect the DRL relay.


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

        for LHD
        Table 3. Standard Resistance:
        Tester Connection Condition Specified Condition
        1Y-1 - 1R-3 Always 10 kΩ or higher
        Table 4. Standard Voltage:
        Tester Connection Condition Specified Condition
        1R-3 - Body ground Battery voltage is applied to terminals 1Y-1 and 1R-4 11 to 14 V
        for RHD
        Table 5. Standard Resistance:
        Tester Connection Condition Specified Condition
        1X-1 - 1R-3 Always 10 kΩ or higher
        Table 6. Standard Voltage:
        Tester Connection Condition Specified Condition
        1R-3 - Body ground Battery voltage is applied to terminals 1X-1 and 1R-4 11 to 14 V

        If the result is not as specified, replace the integration relay.