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Home >> Toyota >> 2019 >> Sienna Limited, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display - Diagnostics - Introduction (1 Of 2) >> Meter / Gauge System >> How To Proceed With Troubleshooting [12/2015 - ] >> Procedure

How To Proceed With Troubleshooting [12/2015 - ]: Procedure

  1. VEHICLE BROUGHT TO WORKSHOP 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT BATTERY VOLTAGE 

    Standard voltage

    11 to 14 V

    If the voltage is below 11 V, recharge or replace the battery before proceeding.

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  3

  3. CHECK CAN COMMUNICATION SYSTEM* 
    1. Use the Techstream to check if the CAN communication system is functioning normally.

      Result

      Result Proceed to
      CAN communication DTC is not output A
      CAN communication DTC is output B

    Result: 

    B 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2015 - 08/2016]  Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 11/2017]  Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - ] 

    Result: 

    A 

    See step  4

  4. REFER TO PROBLEM SYMPTOMS TABLE 

    Result

    Result Proceed to
    Fault is not listed in Problem Symptoms Table A
    Fault is listed in Problem Symptoms Table B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  5

  5. CONDUCT OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Data List/Active Test

      Refer to DATA LIST / ACTIVE TEST [12/2015 - 08/2016] Refer to DATA LIST / ACTIVE TEST [08/2016 - 11/2017] Refer to DATA LIST / ACTIVE TEST [11/2017 - ]

    2. Terminals of ECU

      Refer to TERMINALS OF ECU [12/2015 - 08/2016] Refer to TERMINALS OF ECU [08/2016 - ]

    3. On-vehicle Inspection

      Refer to ON-VEHICLE INSPECTION [12/2015 - 11/2017] Refer to ON-VEHICLE INSPECTION [11/2017 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. ADJUST, REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. CONDUCT CONFIRMATION TEST* 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END