P15D9

1B5202 - P15D9

Information saved in
DME

Fault code
1B5202 - P15D9

Fault text
Terminal 15N_1, power supply switched by CAS, electrical:
Short to earth or open circuit

Fault description
The diagnostic function monitors the voltage-supply wire to
Terminals 15N_1 and KL87_1 for an open wire or short
circuit to ground.

Condition for fault identification
Test condition:
The diagnostic fault code is logged when no voltage is
present at the DME input (KL87_1 or 15N_1) although the
main relay has closed.
Potential problem source(s):
- Fuse defective
- Defect in wiring harness between main relay and DME
- Main relay defective
- Defective DME
Terminal condition: Terminal 15
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- none

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- Check fuse
- Check wiring harness between main relay and DME
- Replace main relay
- Replace DME

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
Range from reduced power to breakdown vehicle

Driver information
Warning light:
- ECE emissions warning lamp: on
- ECE electronic engine power reduction: on
- CC message: on
- US emissions warning lamp: on
- US electronic engine power reduction: on
- CC message: on

Service instruction
None