Tachometer Malfunction [04/2018 - 08/2020]: Procedure

1. Check if CAN communication DTCs are output.

   Refer to DIAGNOSIS SYSTEM [04/2018 - 08/2020]

   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 [04/2018 - ] 

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. Refer to  DIAGNOSTIC TROUBLE CODE CHART [04/2018 - 08/2019]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [08/2019 - 08/2020] 

Result: 

A 

See step  3

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
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	-

   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)

   OK

   Tachometer indication is normal.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE ECM. Refer to  REMOVAL [04/2018 - 08/2021] 

Result: 

NG 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [04/2018 - 08/2020]