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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 MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND) 
    1. Disconnect the multi-display controller sub-assy R15 connector.
    2. Measure the resistance according to the value in the table below.

      Standard: 

      TESTER SPECIFIED 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
      +B1 - GND Always 10 to 14 V
      ACC - GND Ignition SW ACC 10 to 14 V
      Fig 1: Inspecting Multi-Display Controller Sub-Assy
      G03009162Courtesy 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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