Tachometer Malfunction [01/2019 - 09/2022]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [01/2019 - 03/2019] , or refer to DIAGNOSIS SYSTEM [03/2019 - 09/2019] , or refer to DIAGNOSIS SYSTEM [09/2019 - 04/2020] , or refer to DIAGNOSIS SYSTEM [04/2020 - 09/2022]

   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 [06/2018 - 09/2022]

Result: 

A 

See step  2

1. Choose the model to be inspected.

   Result

   Result	Proceed to
   for M20A-FKS	A
   for 2ZR-FAE	B

Result: 

B 

See step  4

Result: 

A 

See step  3

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: 

A 

See step  5

Result: 

B 

GO TO SFI SYSTEM 

Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2019 - 03/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 09/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [09/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 06/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2020 - 06/2021] , or refer to DIAGNOSTIC TROUBLE CODE CHART [06/2021 - 09/2022]

1. Check if SFI system DTCs are output.

   Powertrain > Engine and ECT > Trouble Codes 

   Result

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

Result: 

B 

GO TO SFI SYSTEM 

Refer to DIAGNOSTIC TROUBLE CODE CHART [01/2019 - 03/2019] , or refer to DIAGNOSTIC TROUBLE CODE CHART [03/2019 - 04/2020] , or refer to DIAGNOSTIC TROUBLE CODE CHART [04/2020 - 09/2022]

Result: 

A 

See step  5

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch 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)	ON	-
   TachoMeter Operation (1000rpm)	Tachometer (1000 rpm)	ON	-
   TachoMeter Operation (2000rpm)	Tachometer (2000 rpm)	ON	-
   TachoMeter Operation (3000rpm)	Tachometer (3000 rpm)	ON	-
   TachoMeter Operation (4000rpm)	Tachometer (4000 rpm)	ON	-
   TachoMeter Operation (5000rpm)	Tachometer (5000 rpm)	ON	-
   TachoMeter Operation (6000rpm)	Tachometer (6000 rpm)	ON	-
   TachoMeter Operation (7000rpm)	Tachometer (7000 rpm)	ON	-
   TachoMeter Operation (8000rpm)	Tachometer (8000 rpm)	ON	-

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (0rpm)

   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)

   Body Electrical > Combination Meter > Active Test 

   Tester Display
   TachoMeter Operation (8000rpm)

   OK

   Tachometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM 

for M20A-FKS: Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]

for 2ZR-FAE: Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY 

Refer to REMOVAL [01/2019 - 03/2019] , or refer to REMOVAL [03/2019 - 09/2022]