DTC P0500-31: Vehicle Speed Sensor "A" No Signal [10/2015 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus RC 300, 2023 Lexus RC 300, 2022 Lexus RC 300, 2021 Lexus RC 300, and 2020 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.
- READ VALUE USING TECHSTREAM (VEHICLE SPEED)
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG) and turn the Techstream on.
- Enter the following menus: Powertrain / Engine / Data List / Vehicle Speed.
Powertrain > Engine > Data List
Tester Display Vehicle Speed - Drive the vehicle.
- Read the value displayed on the Techstream.
Result
Result Proceed to Values displayed on Techstream and speedometer display not equal A Values displayed on Techstream and speedometer display equal B
Result:
B
CHECK FOR INTERMITTENT PROBLEMS. Refer to CHECK FOR INTERMITTENT PROBLEMS [10/2015 - ]
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
Tester Connection Condition Specified Condition O3-19 (+S) - A82-44 (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 [10/2015 - 11/2017] , or refer to Speed Signal Circuit [11/2017 - 11/2019] , or refer to Speed Signal Circuit [11/2019 - 09/2020] , or refer to Speed Signal Circuit [09/2020 - ]
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.
- CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Clear the DTCs.
Powertrain > Engine > Clear DTCs
- Turn the engine switch off and wait for at least 30 seconds.
- Start the engine.
- Turn the Techstream on.
- Drive the vehicle in accordance with the driving pattern described in Confirmation Driving Pattern.
- Enter the following menus: Powertrain / Engine / Trouble Codes.
Powertrain > Engine > Trouble Codes
HINT:
If no DTCs (no pending DTCs) are output to the Techstream, the repair has been successfully completed.
Result
Proceed to NEXT
Result:
NEXT
END