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Home >> Toyota >> 2012 >> Prius V >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System (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 for DTCs. Refer to DIAGNOSIS SYSTEM .

      Result

      Result Proceed to
      CAN communication DTCs are not output. A
      CAN communication DTCs are output. B

    B → See step   5 

    A: Go to next step 

  2. PERFORM ACTIVE TEST USING TECHSTREAM (HV SYSTEM INDICATOR) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
    5. Check the indicator light operation according to the values in the table below.
      COMBINATION METER

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

      OK

      Hybrid system indicator indication is normal.

    NG → See step   6 

    OK: Go to next step 

  3. READ VALUE USING TECHSTREAM (HYBRID SYSTEM INDICATOR) 
    1. Connect Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Combination Meter / Data Test.
    5. Check the values by referring to the table below.
      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   7 

    OK: Go to next step 

  4. REPLACE METER CIRCUIT PLATE 
    1. Replace the meter circuit plate with a new or a known good one. Refer to DISASSEMBLY .

      OK

      The operation of the hybrid system indicator returns to normal.

    NG → See step   8 

    OK → END 

  5. GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  6. REPLACE METER CIRCUIT PLATE. Refer to  DISASSEMBLY 
  7. GO TO HYBRID CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING 
  8. REPLACE POWER MANAGEMENT CONTROL ECU. Refer to  REMOVAL