Engine Controls System: 110301

110301 - P3155

Information saved in
DME

Fault code
110301 - P3155

Fault text
Injector, cylinder 3, activation: high-voltage side; short
circuit to ground

Fault description
The diagnostic function monitors control-activation of the
injector's high-voltage side.

Condition for fault identification
Test condition:
The fault is recognized when a short circuit to ground is
present.
Potential problem source(s):
- Defective wiring harness
- Defective injector
- Defective DME
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

Condition for fault memory entry
The diagnostic fault code is entered when the fault occurs 3
times in sequence with no interruption on a single cylinder.

Action in service
- Check wiring harness between DME and injectors 3 and 4
- Replace injector 4, if the defect remains present respond by
switching the new injector to cylinder 3.
- Replace DME only if the fault remains present
continuously

Fault effect and breakdown warning
Breakdown notice:
Engine fault
Possible apparent symptoms:
Engine runs roughly and can stall in extreme cases

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
Injectors 1 and 2, and 3 and 4, are connected to shared DME
driver circuits. This means that diagnostic fault codes are
always logged for both injectors, although usually only one
is defective.