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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Sienna. 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. Remove the multi-display controller sub-assy.
    2. Check continuity between terminals at each condition, as shown in MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND) CONTINUITY  .

      Standard: 

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

      Tester connection Condition Specified condition
      GND-Body ground Always Continuity
    3. Check the voltage between terminals at each condition, as shown in MULTI-DISPLAY CONTROLLER SUB-ASSY (+B1, ACC, GND) VOLTAGE  .

      Standard: 

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

    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 (+B1, ACC, GND)
    G02630124Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (See  ELECTRONIC CIRCUIT INSPECTION PROCEDURE  ) 
    2. OK: GO TO NEXT STEP 
  2. CHECK FOR PROBLEM SYMPTOMS TABLE 
    1. Check problem symptoms table (See PROBLEM SYMPTOMS TABLE  ).
    PROBLEM SYMPTOMS CHECK

    A Suspected areas are cleared
    B Suspected areas still exist
    1. B: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (See  PROBLEM SYMPTOMS TABLE   ) 
    2. A: REPLACE MULTI-DISPLAY CONTROLLER SUB-ASSY