P0122

Tests 1 - 2:

Tests 3 - 6:

Tests 7 - 10:

SYMPTOM
P0122 - THROTTLE POSITION SENSOR VOLTAGE LOW

WHEN MONITORED
With the ignition ON, and battery voltage above 10.4 volts.

SET CONDITION
TPS voltage at PCM 0.1 volt for 3.2 seconds.

POSSIBLE CAUSES
- Throttle Position Sensor 5 volt supply circuit open
- Throttle Position Sensor
- Throttle Position Sensor voltage above 1 volt
- TPS signal circuit shorted to ground
- TPS signal circuit shorted to sensor ground circuit
- TPS wiring harness intermittent defect (RPM)
- PCM defective (Throttle Position Sensor)
- TPS wiring harness intermittent defect
- TPS wiring harness observable defect