LIGHTING SYSTEM AFS ECU Power Source Circuit

DESCRIPTION

This circuit detects the state of the engine switch, and sends it to the AFS ECU.

WIRING DIAGRAM

A01CFJKE01

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (BATTERY - AFS ECU)


    1. A01CGHRE05

      Disconnect the A23 AFS ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      A23-14 (IGS) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V
      A23-15 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (AFS ECU - BODY GROUND)


    1. A01CGHRE02

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A23-22 (E1) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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