P144E

1A2601 - P144E

Information saved in
DME

Fault code
1A2601 - P144E

Fault text
Cut-off relay, electric fan, actuation: Short circuit to B+

Fault description
The diagnostic function monitors the wire between the
electric fan cutoff relay and the DME.

Condition for fault identification
Test condition:
The fault is recognized when a short circuit to positive is
present.
Potential problem source(s):
- Defect in wiring harness
- Cutoff relay for electric fan defective
Terminal condition: none
Voltage condition:
- None
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
The fault is logged in the fault memory if it remains
continuously present for longer than 5 sec.

Action in service
- Check wiring harness between DME and electric fan cutoff
relay
- Check electric fan cutoff relay: Apply activation signal to
electric fan, it should be possible to hear the relay switching

Fault effect and breakdown warning
Breakdown notice:
- Probably not possible to activate electric fan, continued
driving at reduced power possible.
Possible apparent symptoms:
- Engine can overheat, breakdown in extreme cases

Driver information
Warning light:
- ECE emissions warning lamp: off
- US emissions warning lamp: off
- ECE electronic engine power reduction: off
- US electronic engine power reduction: off
- CC message: none

Service instruction
- none