DTC P0500-31: Vehicle Speed Sensor "A" No Signal [10/2022 - 11/2023]: 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.
- READ VALUE USING GTS (VEHICLE SPEED)
- Drive the vehicle.
- Read the value displayed on the GTS.
Powertrain > Engine > Data List
Tester Display Vehicle Speed Result
Result Proceed to Values displayed on GTS and speedometer display not equal A Values displayed on GTS and speedometer display equal B
Result:
B
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2022 - ]
Result:
A
See step 2
- CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - ECM)
- Disconnect the combination meter assembly connector.
- Disconnect the ECM connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
W/ 7 INCH DISPLAYTester Connection Condition Specified Condition H21-6 (+S) - A83-24 (SPD) Always Below 1 Ω W/ 12.3 INCH DISPLAYTester Connection Condition Specified Condition H112-8 (+S) - A83-24 (SPD) Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK COMBINATION METER SYSTEM
- Check the circuits that send vehicle speed signals to this system in the combination meter system.
Refer to Speed Signal Circuit [10/2022 - 11/2023]
Result
Proceed to NEXT
Result:
NEXT
See step 4
- Check the circuits that send vehicle speed signals to this system in the combination meter system.
- CLEAR DTC
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
- Turn the ignition switch off and wait for at least 30 seconds.
Result
Proceed to NEXT
Result:
NEXT
See step 5
- Clear the DTCs.
- CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
- Read the DTCs.
Powertrain > Engine > Trouble Codes
HINT:
If no DTCs (no pending DTCs) are output to the GTS, the repair has been successfully completed.
Result
Proceed to NEXT
Result:
NEXT
END