Fault Conditions

P1676

Injector Circuit. Open / Short To Ground Or B+.







Fault symptoms
- Engine misfires or will not start.

On-Board Diagnostics

Type of diagnosis:
- Continuous. But interrupted when fault criteria fulfilled and will not restart until next driving cycle.

Enable criteria:
- Crankshaft rotating. Main relay voltage above 6 V.

Fault criteria:
- Voltage on one of the outputs below 2 V if the output is not active or exceeding 2 V if the output is active. Fault criteria fulfilled after 2 s.

Dependents:
- None.

System reaction to a fault:
- Closed loop control system blocked.

OK report:
- Enable criteria fulfilled and fault criteria not fulfilled within 60 s.

Fault handling: (For more information refer to "Fault diagnosis, general". Fault Handling III, Other Emission-Related Components and Function)

- Type III. CHECK ENGINE does not go on.

Diagnostic help
Fault diagnosis concerns electrical faults in connecting cables or in one of the valves.

Diagnostic tool functions related to this fault are:
- Activation of outputs for all valves.

For more information refer to description of activating functions under "Fault diagnosis, general". Activate Menu

Check the wiring
Jiggle the leads and in-line connectors at various points and in different directions to detect any intermittent breaks or short circuits in the wiring. Observe the multimeter, test lamp or diagnostic tool while doing this.