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Home >> Toyota >> 2005 >> Sienna CE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics >> Navigation System >> Power Source Circuit (Multi-Display Controller Sub-ASSY) >> Inspection Procedure
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Inspection Procedure

  1. INSPECT MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND, SELD) 
    1. Disconnect the multi-display controller sub-assy connectors R26 and R27.
    2. Measure the resistance according to the value(s) in MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND, SELD) RESISTANCE 

      Standard: 

      MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND, SELD) RESISTANCE

      Tester connection Condition Specified condition
      GND - Body ground Always Below 1 Ω
      SELD - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in. MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND, SELD) VOLTAGE 

      Standard: 

    MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND, SELD) VOLTAGE

    Tester connection Condition Specified condition
    +B1 - GND Always 10 to 14 V
    ACC - GND Ignition SW ACC 10 to 14 V
    Fig 1: Disconnecting Multi-Display Controller Sub-Assy Connectors R26 & R27
    G02630292Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  DIAGNOSTIC TROUBLE CODE TABLE  ) 
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