Code No. P0500: Vehicle Speed Signal System




FUNCTION




TROUBLE JUDGMENT


Check Conditions
Judgement Criterion
FAIL-SAFE AND BACKUP FUNCTION

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III diagnosis code



  • Confirm the diagnosis code is set from ASC-ECU.

Q. Is diagnosis code set?

Perform troubleshooting of the active stability control (ASC) system. (Refer to GROUP 35C - Troubleshooting - Diagnosis Code Chart ).
Go to Step 2.

STEP 2. Check the speedometer.


Q. Is the indication of speedometer normal?

Go to Step 3.
Replace the ASC-ECU.

STEP 3. M.U.T.-III diagnosis code



  • Reconfirmation of diagnosis code.

Q. Is diagnosis code set?

Replace the engine-ECU.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).