SAAB WIS ONLINE

P0261

Read the instructions below then start the fault diagnostic procedure.

Symptom: Black smoke from exhaust pipe CHECK ENGINE. Loss of performance

P0261


Injector Circuit Cylinder 1. Short to Ground/Open.


Fault symptoms


Black smoke from exhaust pipe

CHECK ENGINE.

Loss of performance


On-Board Diagnostics

Type of diagnosis:


- Continuous.


Enable criteria:


- Engine running.

- Battery voltage must be above 11 V.


Fault criteria:


- Diagnostics have detected a fault on the low level cable to injector 1 / ground cable to injector 1 for more than 0.56 s.


Dependents:


- None.


System reaction to a fault:


- The following limitations apply: Pedal position sensor adjustable to max 40%, fuel quantity max 20 mm 3 /combustion, fuel rail pressure max 60 M Pa, idling speed set to 1000 rpm.


OK report:


- Fault criteria not fulfilled.


Fault handling:


- CHECK ENGINE lights in first driving cycle.


Diagnostic help

Activate nozzles. NB! Make sure there are no open circuits or short circuits to ground/B+ in the communication cable between the control module and the power stage before activating. The power stage can be damaged if activation takes place in these circumstances.

For more information on DTCs and wiring faults concerning the power stage, see Power stage, DTCs/cable faults .

See also description of read value under "Read Values" 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.