P2121

P2121

Throttle Position Sensor 1 - Signal Implausible

Diagnostic conditions
- Engine running

Possible cause of fault
- Open circuit in wiring harness
- Short circuit in wiring harness
- Throttle adjusting unit (potentiometer) faulty and fault entry for MAF sensor
- DME control module faulty


Affected terminals
DME control module connector B, pins 117,118 and 83, 84, 91, 92

Pin assignment on the throttle adjusting unit






Diagnosis/troubleshooting