Engine Controls System: 110102

110102 - P3102

Information saved in
DME

Fault code
110102 - P3102

Fault text
Injector, cylinder 1, activation: low-voltage side; short
circuit to positive

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

Condition for fault identification
Test condition:
The fault is recognized when the outside temperature
remains more than 20 °C above the model value for longer
than 14 sec.
Potential problem source(s):
- Defective wiring harness
- Outside temperature sensor defective
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 logged when the fault remains
present for longer than 1 min.

Action in service
- Read out outside temperature with tester and assess
plausibility
- Visual inspection of outside temperature sensor
- Check wiring harness between the instrument cluster and
the outside temperature sensor

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
- The following conditions can lead to an incorrect
diagnosis:
- Battery change or defective battery
- Engine heated by secondary source, such as auxiliary
heater
- Sensor frozen