Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
If an injector circuit is short-circuited to ground / voltage or if there is an open-circuit in the circuit the control module interprets it as a fault and a diagnostic trouble code (DTC) is stored for the injector.

Substitute value
Fuel trim disabled.

Possible source

Signal too high:
- Short-circuit to supply voltage in the signal cable
- Faulty injector.

Signal too low:
- Short-circuit to ground in the signal cable.

Signal missing:
- Open-circuit in the signal cable
- Faulty injector.

Fault symptom[s]
- Engine not firing on all cylinders
- Engine does not start
- Malfunction indicator lamp (MIL) lit.