P1120
P1120Throttle Valve - Signal Implausible
Diagnosis conditions
- Engine running
Possible fault cause
- Open circuit or short circuit in the wiring
- Throttle position sensor faulty
- DME control module faulty
Affected terminals
Terminal I/7, I/9, III/8, III/10, III/24 and III/25
NOTE:
- Fault P01120 Only appears in conjunction with fault P1121 or P1122.
- The system operates in pedal sensor standby mode, i.e. the angle of the accelerator pedal is calculated from the residual position sensor signal.
- The opening angle of the throttle valve is limited to 30 %.
- The dynamic of the throttle valve is restricted.
Diagnosis/Troubleshooting
Figure 1:
Figure 2:
Disconnection point throttle part:
NOTE: The wires to the throttle part are routed via connector X 59/2.
