P0123

Tests 1 - 2:

Tests 3 - 7:

Tests 8 - 9:

SYMPTOM
P0123-THROTTLE POSITION SENSOR VOLTAGE HIGH

WHEN MONITORED
With the ignition ON. Battery voltage greater than 10 volts.

SET CONDITION
Throttle Position Sensor voltage at the PCM is greater than 4.5 volts for 0.7 seconds.

POSSIBLE CAUSES
- Throttle Position Sensor Sweep
- Intermittent Condition
- TP Sensor Signal Circuit Shorted To 5 Volt Supply Circuit
- TP Sensor Signal Circuit Shorted To Battery Voltage
- TP Sensor Internal Failure
- Sensor Ground Circuit Open
- TP Sensor Signal Circuit Open
- PCM Terminal Condition
- PCM