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Inspection Procedure

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT RADIO RECEIVER ASSY (B, ACC, GND) 
    1. Disconnect the radio receiver assy R2 connector.
    2. Measure the resistance according to the value in the table below.

      Standard: 

      TERMINAL DESCRIPTION CONDITION CHART

      Tester connection Condition Specified condition
      GND - Body ground Always Below 1 Ω
    3. Measure the voltage according to the values in the table below.

      Standard: 

      TESTER SPECIFIED CONDITION CHART

      Tester connection Condition Specified condition
      B - GND Always 10 to 14 V
      ACC - GND Ignition SW ACC 10 to 14 V
      Fig 1: Inspecting Radio Receiver Assy (B, ACC, Gnd)
      G03009157Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE   OR  DIAGNOSTIC TROUBLE CODE CHART  
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