Diagnostic Aids
NOTE:
After each service or repair procedure has been completed, reconnect all components. Clear DTCs and repeat QUICK TEST procedures to ensure all electronic engine control systems are working properly and DTCs are no longer present.
Perform this test when directed by QUICK TEST. This test is intended to diagnose the following:
- Vehicle Speed Sensor (VSS)
- VSS (+) & VSS (-) Circuits
- Powertrain Control Module (PCM)