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Home >> Lexus >> 2005 >> IS 300 Base, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body Control System - Diagnostics >> Circuit Inspection >> Wireless Door Lock Control Receiver Circuit >> Inspection Procedure
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Inspection Procedure

  1. Check that DTC 42 is not output. 

    NG: Check the RDA line. 

    OK: Go to next step 

  2. Check wire harness. 

    PREPARATION: 

    Disconnect connectors of wireless door lock tuner and Body ECU.

    CHECK: 

    Check continuity between terminals PRG of wireless door lock tuner and PRG of Body ECU.

    OK: 

    1. Continuity 

    NG: Repair or replace wire harness. 

    OK: Go to next step 

  3. Check the wireless door lock tuner. 

    CHECK: 

    Replace the wireless door lock tuner and check if it recovers normally.

    OK: 

    Must be recovered normally.

    NG: Proceed to next circuit inspection shown on problem symptoms table. (See  PROBLEM SYMPTOMS TABLE  ) 

    OK: Failure of the original wireless door lock tuner.