Tachometer Malfunction [01/2019 - 09/2022]: Procedure
- CHECK CAN COMMUNICATION SYSTEM
- 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
- Check if CAN communication DTCs are output.
- CONFIRM MODEL
Result:
B
See step 4
Result:
A
See step 3
- CHECK FOR DTC (SFI SYSTEM)
- 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]
- Check if SFI system DTCs are output.
- CHECK FOR DTC (SFI SYSTEM)
- 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
- Check if SFI system DTCs are output.
- PERFORM ACTIVE TEST USING TECHSTREAM
- Connect the Techstream to the DLC3.
- Turn the ignition switch ON.
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Combination Meter / Active Test.
- 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]