LIGHTING SYSTEM Clearance Light Circuit

DESCRIPTION


WIRING DIAGRAM

A01VBA9E18

CAUTION / NOTICE / HINT

Note

If the No. 1 headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the No. 1 headlight ECU sub-assembly LH.

Click here

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / HL AutoLeveling / Active Test.

    5. Perform the Active Test according to the display on the GTS.


      Body Electrical > HL AutoLeveling > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      Clearance Light Clearance lights ON or OFF -

      Body Electrical > HL AutoLeveling > Active Test
      Tester Display
      Clearance Light
      OK
      Clearance lights illuminate.
      Result
      Result Proceed to
      OK A
      NG (for LH Side) B
      NG (for RH Side) C

    A

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

    C

    INSPECT HEADLIGHT UNIT ASSEMBLY RH Click here

    B

  2. INSPECT HEADLIGHT UNIT ASSEMBLY LH


    1. Remove the headlight assembly LH.

      Click here

    2. Remove the headlight unit assembly LH from the headlight assembly LH.

      Click here

    3. A01RKHRC22
      *a

      Component without harness connected

      (to Headlight Lens LH)
      *b

      Component without harness connected

      (to No. 1 Headlight ECU Sub-assembly LH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D-2 - B-19 (CLL+) Always Below 1 Ω
      D-1 - B-2 (CLL-) Always Below 1 Ω
      Result
      Result
      OK
      NG

    NG

    REPLACE HEADLIGHT UNIT ASSEMBLY LH Click here

    OK

  3. INSPECT HEADLIGHT LENS LH (CLEARANCE LIGHT)


    1. Reconnect the D headlight lens LH connector.

    2. A01RHOYC12
      *a

      Component without harness connected

      (to No. 1 Headlight ECU Sub-assembly LH)

      Apply auxiliary battery voltage to the headlight lens LH and check that the light comes on.

      OK
      Condition Specified Condition

      Auxiliary battery positive (+) → B-19 (CLL+)

      Auxiliary battery negative (-) → B-2 (CLL-)

      		 Clearance light comes on
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH Click here

    NG

    REPLACE HEADLIGHT LENS LH Click here

  4. INSPECT HEADLIGHT UNIT ASSEMBLY RH


    1. Remove the headlight assembly RH.

      Click here

    2. Remove the headlight unit assembly RH from the headlight assembly RH.

      Click here

    3. A01RKHRC22
      *a

      Component without harness connected

      (to Headlight Lens RH)
      *b

      Component without harness connected

      (to No. 1 Headlight ECU Sub-assembly RH)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D-2 - B-19 (CLL+) Always Below 1 Ω
      D-1 - B-2 (CLL-) Always Below 1 Ω
      Result
      Result
      OK
      NG

    NG

    REPLACE HEADLIGHT UNIT ASSEMBLY RH Click here

    OK

  5. INSPECT HEADLIGHT LENS RH (CLEARANCE LIGHT)


    1. Reconnect the D headlight lens RH connector.

    2. A01RHOYC11
      *a

      Component without harness connected

      (to No. 1 Headlight ECU Sub-assembly RH)

      Apply auxiliary battery voltage to the headlight lens RH and check that the light comes on.

      OK
      Condition Specified Condition

      Auxiliary battery positive (+) → B-19 (CLL+)

      Auxiliary battery negative (-) → B-2 (CLL-)

      		 Clearance light comes on
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY RH Click here

    NG

    REPLACE HEADLIGHT LENS RH Click here