410 Throttle Jacking Unit, Emergency Air Position - Signal Implausible

P1504

410 Throttle Jacking Unit, Emergency Air Position - Signal Implausible

Function
If there is a fault in throttle positioning, the output stage is deactivated. The throttle is then brought into the emergency air position by two return springs. In the emergency air position, the engine turns at approx. 1200 rpm.

Diagnosis conditions
- Ignition on (approx. 30 sec.)

P1504:

Wiring Diagram







Diagnosis Procedure







1 Perform adaptation
1. Switch on the ignition.
2. Wait one minute. Do not press the accelerator.
3. Switch off the ignition for at least 10 seconds.
4. Read out the fault memory.