Tachometer Malfunction [10/2014 - ]: Procedure

1. Check for DTCs.

   Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ]

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - 09/2017]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [05/2019 - ] 

Result: 

OK 

See step  2

1. Check for DTCs.

   Refer to DTC CHECK / CLEAR [10/2014 - ]

   Powertrain > Hybrid Control > Trouble Codes 

   OK

   No DTCs are output.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

GO TO HYBRID CONTROL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2014 - ] 

Result: 

OK 

See step  3

1. Using the Techstream, perform the Active Test.

   Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

   Body Electrical > Combination Meter > Active Test 

   Tester Display	Measurement Item	Control Range	Diagnostic Note
   TachoMeter Operation	Tachometer	OFF, 0, 1000, 2000, 3000, 4000, 5000, 6000 or 7000 (rpm)	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation

   OK

   Tachometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017]  , or refer to  REMOVAL [09/2017 - ] 

Result: 

OK 

See step  4

1. Using the Techstream, read the Data List.

   Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

   Powertrain > Hybrid Control > Data List 

   Tester Display	Measurement Item	Normal Condition	Reference Value	Diagnostic Note
   Engine Revolution	Engine speed	Min.: 0 rpm, Max.: 16383 rpm	Actual engine speed	-

   Body Electrical > Combination Meter > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Engine Rpm	Engine speed	Min.: 0 rpm, Max.: 12750 rpm	Actual engine speed	-

   Powertrain > Hybrid Control > Data List 

   Tester Display
   Engine Revolution

   Body Electrical > Combination Meter > Data List 

   Tester Display
   Engine Rpm

   HINT: 

   • When the Data List values of the ECUs match, an internal malfunction of the hybrid vehicle control ECU is suspected.
   • When the Data List values of the ECUs do not match, a signal output error of the hybrid vehicle control ECU or an internal malfunction of the combination meter assembly is suspected.

   OK

   The Data List values of the ECUs do not match.

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

Result: 

OK 

See step  5

1. Replace the combination meter assembly.

   Refer to REMOVAL [10/2014 - 09/2017] , or refer to REMOVAL [09/2017 - ]

2. Check that the operation of the tachometer returns to normal.

   OK

   The operation of the tachometer returns to normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

END (COMBINATION METER ASSEMBLY IS DEFECTIVE) 

Result: 

NG 

REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ]