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Home >> Toyota >> 2005 >> Avalon XLS >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System >> Power Source Circuit (Multi-Display) >> Inspection Procedure

Inspection Procedure

  1. INSPECT MULTI-DISPLAY 
    1. Disconnect the multi-display connectors E25 and E8.
    2. Measure the resistance according to the value (s) in the table below.

      Standard: 

      CONNECTOR TERMINALS RESISTANCE SPECIFICATION

      Tester connection Condition Specified condition
      GND1 - Body ground Always Below 1 Ω
      GND2 - Body ground Always Below 1 Ω
      GND3 - Body ground Always Below 1 Ω
      GND4 - Body ground Always Below 1 Ω
      GND5 - Body ground Always Below 1 Ω
      SGD1 - Body ground Always Below 1 Ω
      SGD2 - Body ground Always Below 1 Ω
      SGND - Body ground Always Below 1 Ω
      Fig 1: Identifying Multi-Display Connector Terminals
      G02975490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the voltage according to the value (s) in the table below.

      Standard: 

      CONNECTOR TERMINALS VOLTAGE SPECIFICATION

      Tester connection Condition Specified condition
      +B1 - GND1 Always 10 to 14 V
      ACC - GND1 Ignition switch on (ACC) 10 to 14 V
      IG - GND1 Ignition switch on (IG) 10 to 14 V
    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 (SEE  PROBLEM SYMPTOMS TABLE   or  DIAGNOSTIC TROUBLE CODE CHART   )