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LEXUS PARKING ASSIST-SENSOR SYSTEM Clearance Warning ECU Power Source Circuit

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DTC Code DTC Name
  Clearance Warning ECU Power Source Circuit
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DESCRIPTION

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

Table 1. *1 from IG1 NO. 2 Relay *2 ECU-IG1 NO. 2 *3 Clearance Warning ECU Assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

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

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PROCEDURE


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    CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU ASSEMBLY POWER SOURCE)


    1. Disconnect the H61 clearance warning ECU assembly connector.

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      H61-12 (IG) - Body ground Power switch on (IG) 11 to 14 V
      H61-12 (IG) - Body ground Power switch off Below 1 V

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

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


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

      Standard Resistance
      Tester Connection Condition Specified Condition
      H61-27 (E) - Body ground Always Below 1 Ω

    • OK

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

    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR