P1654

Read the instructions below then start the fault diagnostic procedure.

Symptom: Engine fails to start. Possible misfiring before DTC is generated.

P1654

Fault symptoms

•	Engine fails to start.

•	Possible misfiring before DTC is generated.

On-Board Diagnostics

Type of diagnosis:

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

Enable criteria:

-	Ignition in ON position. Main relay voltage exceeding 10V. Output not active.

Fault criteria:

-	Output voltage below 2V for more than 1 s.

Dependents:

-

None.

System reaction to a fault:

-

None.

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 the relay.

Diagnostic tool functions related to this fault are:

•	Activation of output for fuel pump relay.

See also the description of activations under Menu "Activation" for more information.

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.