T8 / P011B 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Engine Coolant and Intake Air Temperature, Plausibility Fault
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
No engine heater used for this start. |
Engine switched off for more than 10 hours. |
NONE of the following DTCs must be detected: |
Fault criteria:
During starting: Coolant temperature - Intake air temperature >= 20°C and coolant temperature 45 seconds after start has not increased more than 2°C. |
During starting: Intake air temperature - Coolant temperature >= 30°C and coolant temperature 45 seconds after start has not increased more than 2°C. |
Dependent:
Diagnostic help
Diagnosis regards:
Obsolete or broken sensor that no longer reacts to temperature change. |
Functions in the diagnostic tool related to the fault:
Engine Coolant Temperature |
(See also description of readings/activations in diagnostic tool) |