P0122

Tests 1 - 2:

Tests 3 - 7:

Tests 8 - 11:

Test 12:

SYMPTOM
P0122-TPS VOLTAGE LOW

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

SET CONDITION
Throttle Position Sensor voltage at the PCM is lower than 0.1 of a volt for 1.3 seconds.

POSSIBLE CAUSES
- Throttle position sensor sweep
- Intermittent condition
- 5 Volt supply circuit shorted to ground
- 5 Volt supply circuit open
- Throttle position sensor internal failure
- TPS signal circuit shorted to ground
- Throttle position sensor signal circuit shorted to sensor ground circuit
- TCM internally shorted throttle position signal circuit
- PCM 5 Volt supply circuit
- PCM TPS signal circuit