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Home >> Lexus >> 2017 >> GS 350 Base, 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 [09/2014 - ] >> Procedure

How To Proceed With Troubleshooting [09/2014 - ]: 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 FOR DTC* 
    1. Check for DTCs and note any codes that are output (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
    2. Clear the DTCs (Refer to DTC CHECK / CLEAR [09/2014 - ] ).
    3. Recheck for DTCs. Based on the DTCs output above, try to force output of the same CAN communication system or meter/gauge system DTC by reproducing the symptoms indicated by the DTC.

      Result

      Result Proceed to
      DTC is not output A
      CAN communication system DTC is output B
      Meter/gauge system DTC is output C

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - ] )

    Result: 

    GO TO DIAGNOSTIC TROUBLE CODE CHART 

    (Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2014 - 10/2015] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2015 - ] ).

    Result: 

    See step  4

  4. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table (Refer to PROBLEM SYMPTOMS TABLE [09/2014 - 10/2015] , or refer to PROBLEM SYMPTOMS TABLE [10/2015 - ] ).

      Result

      Result Proceed to
      Fault is not listed in problem symptoms table A
      Fault is listed in problem symptoms table B

    Result: 

    ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE 

    Result: 

    See step  5

  5. OVERALL ANALYSIS AND TROUBLESHOOTING* 
    1. Terminals of ECU (Refer to TERMINALS OF ECU [09/2014 - 10/2015] , or refer to TERMINALS OF ECU [10/2015 - ] ).
    2. Data List / Active Test (Refer to DATA LIST / ACTIVE TEST [09/2014 - 10/2015] , or refer to DATA LIST / ACTIVE TEST [10/2015 - ] ).
    3. Operation Check (Refer to OPERATION CHECK [09/2014 - 10/2015] , or refer to OPERATION CHECK [10/2015 - ] ).

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. REPAIR OR REPLACE 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    See step  7

  7. CONFIRMATION TEST 

    Result

    Proceed to
    NEXT

    Result: 

    NEXT 

    END