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Home >> Lexus >> 2012 >> IS 250C Automatic Trans >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display (Diagnostics & Symptom Tests) >> Meter / Gauge System >> How To Proceed With Troubleshooting >> How To Proceed With Troubleshooting

How To Proceed With Troubleshooting

  1. VEHICLE BROUGHT TO WORKSHOP 

    NEXT: Go to next step 

  2. CUSTOMER PROBLEM ANALYSIS 

    NEXT: Go to next step 

  3. CHECK MULTIPLEX COMMUNICATION SYSTEM 
    1. Check for DTC output. Refer to DIAGNOSIS SYSTEM .
      RESULT

      Result Proceed to
      No DTC is output A
      DTC is output B

      A → GO TO STEP 4 

      B → GO TO MULTIPLEX COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

  4. CHECK CAN COMMUNICATION SYSTEM 
    1. Check for DTC output. Refer to DIAGNOSIS SYSTEM .
      RESULT

      Result Proceed to
      No DTC is output A
      DTC is output B

      A → GO TO STEP 5 

      B → GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 

  5. PROBLEM SYMPTOM CONFIRMATION 

    NEXT: Go to next step 

  6. PROBLEM SYMPTOMS TABLE 
    1. Refer to Problem Symptoms Table. Refer to PROBLEM SYMPTOMS TABLE .

      NEXT: Go to next step 

  7. CIRCUIT INSPECTION 

    NEXT: Go to next step 

  8. REPAIR OR REPLACE 

    NEXT: Go to next step 

  9. CONFIRMATION TEST 

    NEXT → END