Checking TPS Calibration

SYMPTOM
* CHECKING TPS CALIBRATION

POSSIBLE CAUSES
- TPS wiring harness & connector intermittent def (rpm change)
- TPS wiring harness & connector intermittent def (voltage change)
- TPS wiring harness & connectors observable defect
- Throttle position sensor defective (voltage change not smooth)
- TPS defective (voltage 1.5 volts or above)
- Throttle position sensor out of specification