Late Production (NGC)
Test 1 - 2:
Test 3 - 7:
Test 8 - 10:
SYMPTOM
P0122-THROTTLE POSITION SENSOR #1 LOW
WHEN MONITORED
With the ignition on. Battery voltage greater than 10 volts.
SET CONDITION
Throttle Position Sensor voltage at the PCM is less than 0.0978 of a volt. One Trip Fault.
POSSIBLE CAUSES
- Throttle position sensor sweep
- Intermittent condition
- (K6) 5 volt supply circuit shorted to ground
- (K6) 5 volt supply circuit open
- TP sensor internal failure
- (K22) TP signal circuit shorted to ground
- (K22) TP signal circuit shorted to (K4) sensor ground circuit
- PCM (K6) 5 volt supply circuit
- PCM (K22) TP sensor signal