194002207 - K011 DISPLAY SIGNALS ICE DANGER WITH HIGH OUTSIDE TEMPERATURE

The "Instrument Panel Node" receives outside temperature information from the "Driver''s Door Node" which, in turn, receives the figure from the sensor on the moving part of the driver''s rear view mirror.

0	PRELIMINARY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the temperature value shown on the instrument panel display is plausible.Also check that when the "NQS" is switched on and off the temperature value is plausible.	Move on to Step 3	1.Value not plausible.	1.Continue to step 1
			2.The value is correct again at the new key on.	2.Continue to step 3
1	ACTIVE DIAGNOSIS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Using the Examiner, check in the active diagnosis ambient that the autotest function is correctly activated	Move on to Step 2	The function in question is not operated by the active diagnosis	Replace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R
2	CHECK ERRORS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Using the Examiner and in the "Driver''s Door Node" ambient, check that there is no air temperature sensor error.	Move on to Step 3	1.Outside air temperature sensor defective/stuck.	1.Replace the sensor
			2. Wiring defective	2.Renew the wiring
3	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present.	End of diagnosis