T8 / P1131 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
O2S. Switch point - lean. Sensor 1
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
| Engine speed between 1500 and 2800 rpm. |
| Engine load between 200 - 400 mg/c. |
| Closed loop blocked in rich or lean mode during several combustions in order to maintain voltage from heated oxygen sensor 2 at 0.6 V. The total number of required combustions are adapted. |
Fault criteria:
| Closed loop blocked in rich or lean mode during several combustions in order to maintain voltage from heated oxygen sensor 2 at 0.6 V. The total number of required combustions are adapted. |
Dependent:
System reaction to a fault:
OK report:
| Diagnosis completed without fault report. |
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) |
Diagnostic help
Diagnosis regards:
Functions in the diagnostic tool related to the fault:
| (See also description of readings/activations in diagnostic tool) |
