WIPER AND WASHER SYSTEM Headlight Cleaner Switch Circuit

DESCRIPTION

This circuit detects the conditions (on or off) of the headlight cleaner switch assembly.

WIRING DIAGRAM

Figure 1. for Halogen Headlight:

B001HJIE02

Figure 2. for LED Headlight:

B001H7TE01
*a HLC
*b Headlight Cleaner Switch Assembly
*c No. 1 Headlight ECU Sub-assembly RH
*d Headlight Cleaner Control Relay

PROCEDURE


  1. CHECK VEHICLE TYPE


    1. Check vehicle type.

      Result
      Result Proceed to
      for Halogen Headlight A
      for LED Headlight B

    B

    INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY Click here

    A

  2. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY


    1. Remove the headlight cleaner switch assembly.

      Click here

    2. Inspect the headlight cleaner switch assembly.

      Click here


    NG

    REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY Click here

    OK

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)


    1. Disconnect the G220 headlight cleaner switch assembly connector.

    2. Disconnect the A38 headlight cleaner control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G220-5 - A38-2(H) Always Below 1 Ω
      G220-5 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - MAIN BODY ECU [MULTIPLEX NETWORK BODY ECU])


    1. Disconnect the G220 headlight cleaner switch assembly connector.

    2. Remove the main body ECU (multiplex network body ECU) from the driver side junction block assembly.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G220-2 - A-15 (HRLY) Always Below 1 Ω
      G220-2 - Body ground Always 10 kΩ or higher

    OK

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

    NG

  5. CHECK HARNESS AND CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - HEADLIGHT CLEANER SWITCH ASSEMBLY)


    1. Disconnect the 2D*1 or 2O*2 driver side junction block assembly connector.


      • *1: for 5L-E

      • *2: except 5L-E

    2. Disconnect the G220 headlight cleaner switch assembly connector.

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

      Standard Resistance
      for 5L-E
      Tester Connection Condition Specified Condition
      2D-12 - G220-2 Always Below 1 Ω
      2D-12 - Body ground Always 10 kΩ or higher
      except 5L-E
      Tester Connection Condition Specified Condition
      2O-39 - G220-2 Always Below 1 Ω
      2O-39 - Body ground Always 10 kΩ or higher

    OK

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. INSPECT HEADLIGHT CLEANER SWITCH ASSEMBLY


    1. Remove the headlight cleaner switch assembly.

      Click here

    2. Inspect the headlight cleaner switch assembly.

      Click here


    NG

    REPLACE HEADLIGHT CLEANER SWITCH ASSEMBLY Click here

    OK

  7. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - HEADLIGHT CLEANER CONTROL RELAY)


    1. Disconnect the G220 headlight cleaner switch assembly connector.

    2. Disconnect the A38 headlight cleaner control relay connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G220-5 - A38-2(H) Always Below 1 Ω
      G220-5 - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK HARNESS AND CONNECTOR (HEADLIGHT CLEANER SWITCH ASSEMBLY - NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH)


    1. Disconnect the G220 headlight cleaner switch assembly connector.

    2. Disconnect the A103 No. 1 headlight ECU sub-assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G220-2 - A103-7 (HLC) Always Below 1 Ω
      G220-2 - Body ground Always 10 kΩ or higher

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR