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Home >> Lexus >> 2013 >> GS 450h >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge / Display (Diagnostic Codes & Symptom Tests) >> Meter / Gauge System >> Symptom Tests >> Hybrid System Indicator Malfunction >> Procedure

Hybrid System Indicator Malfunction: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if a CAN communication DTC is output. Refer to DIAGNOSIS SYSTEM [03/2012 - ] .
      RESULT

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

    B → See step   7 

    A: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM (HV SYSTEM INDICATOR) 
    1. Use the Active Test to check the operation of the hybrid system indicator. Refer to DATA LIST / ACTIVE TEST [03/2012 - ] .
      COMBINATION METER

      Tester Display Test Part Control Range Diagnostic Note
      HV System Indicator Hybrid system Indicator MIN, -50, 0, 100, 200, 300, 400 or MAX (%) -

      OK

      Hybrid system indicator indication is normal.

    NG → See step   5 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM (HYBRID SYSTEM INDICATOR) 
    1. Use the Data List to check the hybrid system indicator. Refer to DATA LIST / ACTIVE TEST [03/2012 - ] .
      COMBINATION METER

      Tester Display Test Part Control Range Diagnostic Note
      Hybrid System Indicator Hybrid system indicator value / Min.: -512 %, Max.: 511 % -512 to 511 % -

      OK

      Hybrid system indicator value displayed on the Techstream is almost the same as hybrid system indicator indication.

    NG → See step   6 

    OK: Go to next step 

  4. CHECK COMBINATION METER ASSEMBLY 
    1. Replace the combination meter assembly with a new or normally functioning one. Refer to REMOVAL [03/2012 - ] .

      OK

      The operation of the hybrid system indicator returns to normal.

    NG → See step   8 

    OK → END (COMBINATION METER ASSEMBLY WAS DEFECTIVE) 

  5. REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [03/2012 - ] 
  6. GO TO HYBRID CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ] 
  7. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2012 - ] 
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL [03/2012 - ]