Throttle Position Sensor 1 Signal Implausible

P1121 - THROTTLE POSITION SENSOR 1 SIGNAL IMPLAUSIBLE

Diagnosis conditions
- Engine running

Possible fault cause
- Open circuit in wiring
- Short circuit in wiring
- Throttle position sensor faulty
- DME control module faulty

Affected terminals
- Terminal I/7, I/9, III/10, III/24 and III/25

Diagnosis/Troubleshooting

Step 1:

Figure 1:

Figure 2:

Step 4:

Figure 1:

NOTE: The wires to the throttle part are routed via connector X 59/2

Steps 5 - 6: