DYNAMIC RADAR CRUISE CONTROL SYSTEM Distance Control ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the distance control ECU.

WIRING DIAGRAM

A01X3AKE05
*a from IG NO. 4 Relay
*b ECU-IG No. 3
*c Distance Control ECU

PROCEDURE


  1. INSPECT FUSE (ECU-IG No. 3)


    1. Remove the ECU-IG No. 3 fuse from the cowl side junction block RH.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      ECU-IG No. 3 fuse Always Below 1 Ω

    NG

    REPLACE FUSE

    OK

  2. CHECK HARNESS AND CONNECTOR (DISTANCE CONTROL ECU - BATTERY AND BODY GROUND)


    1. A01X7OZE01
      *1 Rear view of wire harness connector: (to Distance Control ECU)

      Disconnect the E108 distance control ECU connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      E108-1 (B) - Body ground Engine switch on (IG) 11 to 14 V
      Engine switch off Below 1 V

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E108-12 (GND) - Body ground Always Below 1 Ω

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR