SAAB WIS ONLINE

P0662

Read the instructions below then start the fault diagnostic procedure.

Symptom: CHECK ENGINE lamp on.

P0662


Swirl Actuator Circuit ,Short to B+

Fault symptoms


CHECK ENGINE lamp on.


On-Board Diagnostics

Type of diagnosis:


- Continuous.


Enable criteria:


- Turn Ignition On.


Fault criteria:


- Output shorted to B+ for more than 0.5 s.


System reaction to a fault:


- In case of error, EGR control is deactivated.

- In case of error, the swirl throttle function is disengaged.


OK report:


- Fault criteria NOT fulfilled for 0.5 s.


Check the wiring

A fault in the control module's female connector can generate a DTC. Check the contact for oxidation, dislodge pins and pin clamping force.

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. Check switches, connectors and crimp connections for oxidation, dislodged pins and pin clamping force.

Diagnostic help

Diagnostic tool functions related to this fault are:


Read value:

Swirl Actuator

Activate:

Swirl Actuator


For more information, see also:

- "Read Values" menu for a description of read values.

- "Activate" menu for a description of applications.