P1676

Read the instructions below then start the fault diagnostic procedure.

Symptom: Engine misfires or will not start.

P1676

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 6V.

Fault criteria:

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

Dependents:

-

None.

System reaction to a fault:

-	Closed loop is blocked.

OK report:

-	Enable criteria fulfilled and fault criteria not fulfilled within 60 s.

Fault handling: (See section Fault handling III, other emission-related components and functions for more information.)

-	Type III. CHECK ENGINE does not go on.

Diagnostic help

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

Functions in the diagnostic tool related to the fault:

•	Activation of outputs for all valves.

See also description on activating under "Activate" menu for more information.

Checking the wiring

Jiggle the wiring harness at several points and in different directions to detect intermittent breaks and short circuits. Observe the multimeter, diagnostic tool or test lamp during the check.