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Home >> Toyota >> 2025 >> RAV4 Plug-In Hybrid SE >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes (2 Of 2), Symptom Tests & Circuit Tests (PHEV) >> Meter / Gauge System >> Hybrid System Indicator Malfunction [06/2020 - 10/2022] >> Procedure

Hybrid System Indicator Malfunction [06/2020 - 10/2022]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if CAN communication DTCs are output.

      Refer to DIAGNOSIS SYSTEM [06/2020 - 12/2021] , or refer to DIAGNOSIS SYSTEM [12/2021 - 10/2022]

      Result

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

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2020 - 12/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - 10/2022]

    Result: 

    See step  2

  2. CHECK FOR DTC (HYBRID CONTROL SYSTEM) 
    1. Check if hybrid control system DTCs are output.

      Refer to DTC CHECK / CLEAR [06/2020 - 10/2022]

      Powertrain > Hybrid Control > Trouble Codes 

      Result

      Result Proceed to
      Hybrid control system DTCs are not output. A
      Hybrid control system DTC is output. B

    Result: 

    GO TO HYBRID CONTROL SYSTEM 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 10/2022]

    Result: 

    See step  3

  3. PERFORM ACTIVE TEST USING GTS (HV SYSTEM INDICATOR) 
    GTY976490Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *a Hybrid System Indicator Operation (MIN)
    *b Hybrid System Indicator Operation (-50%)
    *c Hybrid System Indicator Operation (0%)
    *d Hybrid System Indicator Operation (100%)
    *e Hybrid System Indicator Operation (200%)
    *f Hybrid System Indicator Operation (300%)
    *g Hybrid System Indicator Operation (400%)
    *h Hybrid System Indicator Operation (MAX)
    1. Using the GTS, perform the Active Test.

      Refer to DATA LIST / ACTIVE TEST [06/2020 - 10/2022]

      Body Electrical > Combination Meter > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      HV/EV System Indicator (MIN) Hybrid system indicator value (Charge area) ON See [Display]
      HV/EV System Indicator (-50%) Hybrid system indicator value (Charge area) ON See [Display]
      HV/EV System Indicator (0%) Hybrid system indicator value (HV eco area) ON See [Display]
      HV/EV System Indicator (100%) Hybrid system indicator value (Eco area) ON See [Display]
      HV/EV System Indicator (200%) Hybrid system indicator value (Power area) ON See [Display]
      HV/EV System Indicator (300%) Hybrid system indicator value (Power area) ON See [Display]
      HV/EV System Indicator (400%) Hybrid system indicator value (Power area) ON See [Display]
      HV/EV System Indicator (MAX) Hybrid system indicator value (Power area) ON See [Display]

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (MIN)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (-50%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (0%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (100%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (200%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (300%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (400%)

      Body Electrical > Combination Meter > Active Test 

      Tester Display
      HV/EV System Indicator (MAX)

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU 

    Refer to REMOVAL [06/2020 - 12/2021] , or refer to REMOVAL [12/2021 - 10/2022]

    Result: 

    NG 

    REPLACE COMBINATION METER ASSEMBLY 

    Refer to REMOVAL [06/2020 - 10/2022]