Test Description
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
The numbers below refer to the step numbers in the diagnostic procedures.
- 6 - This step checks VSS sensor for a battery positive supply.
- 7 - This step checks VSS sensor for a ground supply.
- 8 - This step checks for a shorted to ground speedometer vehicle speed input circuit.
- 9 - This step checks VSS for an output signal.
- 10 - This step checks PCM vehicle speed input circuit for continuity to speedometer.
- 11 - This step checks speedometer for an output signal. Each one Hz of frequency is approximately equal to one mile per hour.