LIGHTING SYSTEM Footwell Light Circuit

DESCRIPTION

The main body ECU RH receives information regarding the door lock position switches, door courtesy switches, and engine switch, and turns on each footwell light.

This illumination setting can be canceled using the light control rheostat.

WIRING DIAGRAM

A01629SE04

INSPECTION PROCEDURE

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / Body / Active Test.

    5. Check the operation.

      Body (Main Body ECU RH)
      Tester Display Test Part Control Range Diagnostic Note
      Step Light Operation Footwell lights ON/OFF -
      OK
      Footwell lights come on.

      Tech Tips

      The footwell lights RH and LH share the same power source. If either of the lights does not come on, there may be a problem in the part of the circuit that relates to that light. Therefore, inspect that part of the circuit.


    NG

    CHECK HARNESS AND CONNECTOR (MAIN BODY ECU RH - BATTERY) Click here

    OK

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE Click here

  2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU RH - BATTERY)


    1. A015ZW9E03

      Disconnect the J75 main body ECU RH connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      J75-15 (FSPT) - Body ground Always 11 to 14 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE MAIN BODY ECU RH (COWL SIDE JUNCTION BLOCK RH)