ME9 / P1551 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Malfunction Indicator Lamp
Throttle Mechanical, Rest Position Not Reached During Learn
Fault symptom
Malfunction Indicator Lamp
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Battery voltage must be between 10 - 18 V. |
| Engine speed under 40 rpm. |
| The coolant temperature is between 5 °C and 85 °C. |
| The intake air temperature is between 5 °C and 60 °C. |
| The pedal position sensor position is lower than 15%. |
Fault criteria:
| When the throttle position deviates by less than 1.8% or more than 13% from the requested position for more than 4 s. |
Diagnostic help
Diagnosis regards:
| Electrical fault in connecting leads or component. |
| Mechanically binding/affected throttle. |
Functions in the diagnostic tool related to the fault:
| • | Throttle Position Sensor 1 |
| • | Throttle Position Sensor 2 |
| (See also description of readings/activations in diagnostic tool) |
