Test 28A - Electronic Instrument Cluster (EIC) Odometer/Speedometer Failure
NOTE:
Perform TEST VER-1 after each repair.
CAUTION:
Always turn ignition off prior to disconnecting or connecting any module connector.
- Raise and support vehicle. Start engine. Place gear selector in Drive position (1st gear on manual trans). Go to next step.
- Using scan tool, read Vehicle Speed Sensor (VSS) signal. If VSS signal does not increase smoothly with acceleration, refer to appropriate ELECTRONIC INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. If VSS signal increases smoothly with acceleration, go to next step.
- Check if problem is with odometer only. If problem is not with odometer only, replace instrument cluster. If problem is with odometer only, replace body control module.