THEFT DETERRENT SYSTEM(w/ Entry and Start System) Certification ECU Power Source Circuit

DESCRIPTION

This circuit provides power to operate the certification ECU (smart key ECU assembly).

WIRING DIAGRAM

A01X63VE02

PROCEDURE


  1. INSPECT FUSE (IMB)


    1. Remove the IMB fuse from the engine room relay block.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      IMB fuse Always Below 1 Ω

    NG

    REPLACE FUSE

    OK

  2. CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU [SMART KEY ECU ASSEMBLY] - BATTERY AND BODY GROUND)

    A01XC17E02
    *1 Front view of wire harness connector: (to Certification ECU [Smart Key ECU Assembly])

    1. Disconnect the E29 ECU connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      E29-17 (E) - Body ground Always Below 1 Ω

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      E29-1 (+B) - Body ground Always 11 to 14 V

    OK

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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR