Tachometer Malfunction [06/2017 - ]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [06/2017 - 08/2018] , or refer to DIAGNOSIS SYSTEM [08/2018 - 09/2019] , or refer to DIAGNOSIS SYSTEM [09/2019 - 03/2020] , or refer to DIAGNOSIS SYSTEM [03/2020 - 10/2020] , or refer to DIAGNOSIS SYSTEM [10/2020 - 08/2021] , or refer to DIAGNOSIS SYSTEM [08/2021 - ]

   Result

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

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] 

Result: 

A 

See step  2

1. Check if SFI system DTCs are output.

   Powertrain > Engine > Trouble Codes 

   Result

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

Result: 

B 

GO TO SFI SYSTEM 

For A25A-FKS: Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2017 - 08/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2018 - 09/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 03/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2020 - 10/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2020 - 08/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2021 - ]

For 2GR-FKS: Refer to DIAGNOSTIC TROUBLE CODE CHART [06/2017 - 08/2018] , or refer to DIAGNOSTIC TROUBLE CODE CHART [08/2018 - 09/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 10/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [10/2020 - ]

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch to ON.
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Meter / Active Test.
5. Perform the Active Test according to the display on the Techstream.

   Body Electrical > Combination Meter > Active Test 

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

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (1000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (2000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (3000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (4000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (5000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (6000rpm)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (7000rpm)

   OK

   Tachometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

For A25A-FKS: Refer to REMOVAL [06/2017 - 03/2020] , or refer to REMOVAL [03/2020 - 10/2020] , or refer to REMOVAL [10/2020 - 08/2022] , or refer to REMOVAL [08/2022 - ]

For 2GR-FKS: Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - 08/2022] , or refer to REMOVAL [08/2022 - ]

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ]