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TOYOTA PARKING ASSIST-SENSOR SYSTEM (w/o Multi-display) Indicator Circuit

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DTC Code DTC Name
  Indicator Circuit
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DESCRIPTION

The warning indicator lights are installed in the clearance warning indicator assembly.

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WIRING DIAGRAM

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INSPECTION PROCEDURE

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 INDICATOR - BATTERY)


    1. A01DSRAE04

      Disconnect the G160 clearance warning indicator assembly connector.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G160-9 (BD) - Body ground Ignition switch ON 11 to 14 V
      Table 1. Text in Illustration
      *a

      Front view of wire harness connector

      (to Clearance Warning Indicator Assembly)

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    CHECK HARNESS AND CONNECTOR (CLEARANCE WARNING ECU - CLEARANCE WARNING INDICATOR)


    1. Disconnect the I1 clearance warning ECU connector.

    2. Disconnect the G160 clearance warning indicator light assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I1-15 (L1) - G160-5 (RR) Always Below 1 Ω
      I1-17 (L3) - G160-14 (RL) Always Below 1 Ω
      I1-19 (L5) - G160-15 (BK) Always Below 1 Ω
      I1-20 (L6) - G160-1 (OP) Always Below 1 Ω
      I1-15 (L1) - Body ground Always 10 kΩ or higher
      I1-17 (L3) - Body ground Always 10 kΩ or higher
      I1-19 (L5) - Body ground Always 10 kΩ or higher
      I1-20 (L6) - Body ground Always 10 kΩ or higher

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    REPAIR OR REPLACE HARNESS OR CONNECTOR

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    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLEClick here