P0122
Tests 1 - 2:
Tests 3 - 7:
Tests 8 - 10:
SYMPTOM
P0122 - THROTTLE POSITION SENSOR VOLTAGE LOW
WHEN MONITORED
With the ignition ON.
SET CONDITION
TP sensor voltage at PCM cavity 35 goes below 0.2 volt for 0.704 seconds.
POSSIBLE CAUSES
- TPS 5-volt supply circuit open
- TPS signal circuit shorted to ground
- TPS signal circuit shorted to sensor ground circuit
- TPS wiring harness intermittent defect
- TPS wiring harness observable defect
- PCM defective (TPS voltage low)
- Throttle position sensor defective
- TPS voltage change not smooth
- Transmission control module defective (TPS)