Engine Controls System: 110101

110101 - P3149

Information saved in
DME

Fault code
110101 - P3149

Fault text
Injector, cylinder 1, 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 1 and 2,
replace injector 1, if fault remains switch the new injector to
cylinder 2.
- Replace the DME control module only if the fault is still
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.