Hybrid System Indicator Malfunction [07/2020 - ]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [07/2020 - 10/2022] , or refer to DIAGNOSIS SYSTEM [10/2022 - 10/2023] , or refer to DIAGNOSIS SYSTEM [10/2023 - ]

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ] 

Result: 

A 

See step  2

1. Check if hybrid control system DTCs are output.

   Powertrain > Hybrid Control > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

B 

GO TO HYBRID CONTROL SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART [07/2020 - ] 

Result: 

A 

See step  3

1. Perform the Active Test according to the display on the GTS.

   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 1]
   HV/EV System Indicator (-50%)	Hybrid system indicator value (Charge area)	ON	See [Display 1]
   HV/EV System Indicator (0%)	Hybrid system indicator value (Charge area/eco area boundary)	ON	See [Display 1]
   HV/EV System Indicator (100%)	Hybrid system indicator value (Eco area/power area boundary)	ON	See [Display 1]
   HV/EV System Indicator (200%)	Hybrid system indicator value (Power area)	ON	See [Display 1]
   HV/EV System Indicator (300%)	Hybrid system indicator value (Power area)	ON	See [Display 1]
   HV/EV System Indicator (400%)	Hybrid system indicator value (Power area)	ON	See [Display 1]
   HV/EV System Indicator (MAX)	Hybrid system indicator value (Power area)	ON	See [Display 1]

   [Display 1]: HV/EV System Indicator 

   1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      *a	Hybrid System Indicator

      HINT: 

      Refer to the following table for the specified hybrid system indicator position for each selected value:

      Tester Display	Hybrid System Indicator Indication
      HV/EV System Indicator (MIN)	Approximately 1 is indicated
      HV/EV System Indicator (-50%)	Approximately 2 is indicated
      HV/EV System Indicator (0%)	Approximately 3 is indicated
      HV/EV System Indicator (100%)	Approximately 4 is indicated
      HV/EV System Indicator (200%)	Approximately 5 is indicated
      HV/EV System Indicator (300%)	Approximately 6 is indicated
      HV/EV System Indicator (400%)	Approximately 7 is indicated
      HV/EV System Indicator (MAX)	Approximately 8 is indicated

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (MIN)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (-50%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (0%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (100%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (200%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (300%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (400%)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   HV System Indicator (MAX)

   Result

   Result	Proceed to
   Active Test can be performed correctly	A
   Active Test cannot be performed correctly	B

Result: 

A 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [07/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - ] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [07/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - ]