[13A] MULTIPORT FUEL INJECTION (MPI) <4G63> - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR DIAGNOSIS CODES - Code No. P0500: Vehicle Speed Signal System | PRINT PAGE / INDEX / PRIOR / NEXT

Code No. P0500: Vehicle Speed Signal System
FUNCTION The output shaft speed sensor signal used for A/T control is converted into a vehicle speed signal, which is inputted to the engine control system, speedometer, etc.
TROUBLE JUDGMENT Check Condition 2 seconds later after the engine has started up. Not in idling speed judging mode. Engine speed of 2,000 r/min or more. During high load operation. Judgment Criterion Sensor output voltage unchanged for 4 seconds (no pulse signal inputted).
PROBABLE CAUSE Failed output shaft speed sensor Open/short circuit in output shaft speed sensor circuit or loose connector contact Failed engine-A/T-ECU
| DIAGNOSIS PROCEDURE
| STEP 1. MUT-II/III diagnosis code Q: Is A/T system diagnosis code output? YES: Check A/T system (Refer to GROUP 23A - Troubleshooting <A/T> - Check chart for diagnosis code ). NO: Go to Step 2 .
| STEP 2. Check the trouble symptoms. Q: Does trouble symptom persist? YES: Replace engine-A/T-ECU. NO: Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points ).

[13A] MULTIPORT FUEL INJECTION (MPI) <4G63> - - TROUBLESHOOTING - INSPECTION PROCEDURE FOR DIAGNOSIS CODES - Code No. P0500: Vehicle Speed Signal System | PRINT PAGE / INDEX / PRIOR / NEXT

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