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Separating-Clutch Actuator

P309F00

Diagnosis information DME control unit

Separating-clutch actuator

DANGER
High voltage.
Death or severe injuries due to high voltage or high current.


- De-energise the vehicle in accordance with the guidelines.
- Work must not be performed on parts carrying a high voltage.

Diagnostic conditions
The control unit must be active in order to test internal function sequences and diagnosable inputs/outputs.
In the event of a fault, check whether the fault is permanently >present<. To perform the check, erase the fault memory, meet the diagnostic conditions and read out the fault memory again.
- Ignition on

Possible fault causes
- Mechanical fault

Fault effects
- No electric operation

NOTE:
Diagnosis/Fault finding.
- Drive link test perform
- Vehicle voltage Check (> 13 V)
- Short circuit to B+/mutual short circuit or open circuit in the lines Spindle actuator Check
- Loose contact or corrosion on connectors or lines Spindle actuator Check

Diagnosis information DME control unit

Pressure transmitter Separating clutch

Diagnostic conditions
The control unit must be active in order to test internal function sequences and diagnosable inputs/outputs.
In the event of a fault, check whether the fault is permanently >present<. To perform the check, erase the fault memory, meet the diagnostic conditions and read out the fault memory again.
- Clutch Closed
- Ignition on

Possible fault causes
- Mechanical fault Hydraulic line

Fault effects
- none

NOTE:
Diagnosis/Fault finding.
- Drive link test perform
- Loose contact or corrosion on connectors or lines Check
- Hydraulic line Check