Tachometer Malfunction [10/2022 - ]: Procedure

WARNING: This page is about a different car, the 2025 Toyota Highlander, 2024 Toyota Highlander, and 2023 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

CHECK CAN COMMUNICATION SYSTEM

Check if CAN communication DTCs are output.

Refer to DIAGNOSIS SYSTEM [10/2022 - 11/2023] , or refer to DIAGNOSIS SYSTEM [11/2023 - ]

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 [10/2022 - 11/2023] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]

Result:

A

See step 2

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:

B

GO TO SFI SYSTEM

Refer to DIAGNOSTIC TROUBLE CODE CHART [10/2022 - 11/2023] , or refer to DIAGNOSTIC TROUBLE CODE CHART [11/2023 - ]

Result:

A

See step 3

PERFORM ACTIVE TEST USING GTS

Perform the Active Test according to the display on the GTS.

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

GO TO SFI SYSTEM

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]

Result:

NG

REPLACE COMBINATION METER ASSEMBLY

Refer to REMOVAL [12/2019 - ]