TOYOTA PARKING ASSIST-SENSOR SYSTEM(for 8 Sensor Type) Clearance Warning ECU Power Source Circuit

DTC Code DTC Name
Clearance Warning ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the clearance warning ECU assembly.

WIRING DIAGRAM

E335280E02

CAUTION / NOTICE / HINT

Note:

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

PROCEDURE

  1. CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY - BATTERY AND BODY GROUND)

    1. E309541C10

      *a

      Front view of wire harness connector

      (to Clearance Warning ECU Assembly)

      Disconnect the clearance warning ECU assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      G166-30 (E) - Body ground

      Always

      Below 1 Ω

    3. Measure the voltage according to the value(s) on the table below.

      Standard Voltage

      Tester Connection

      Switch Condition

      Specified Condition

      G166-1 (IG) - Body ground

      Ignition switch ON

      11 to 14 V

      G166-1 (IG) - Body ground

      Ignition switch off

      Below 1 V

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR