Instrument cluster (IC) diagnosis operational check - AD54.30-P-3000E: Notes

MODEL 129, 140, 210 as of 1.6.96, 

202 as of 1.8.96, 

170 

	Instrument cluster (IC) diagnosis, basic knowledge		AD54.30-P-2000E
	Model 210:  Instrument cluster with multifunction display	In the event of malfunctions (e.g. worn brake linings, engine coolant level too low, exterior lamp failure etc.) or system faults (anti-lock brake system faulty, safety restraint system faulty), the warning display with warning information is overlaid instead of outside temperature, trip odometer, total mileage recorder and electronic clock. The warning information is displayed in yellow or red depending on the fault and a warning tone also sounds.
	Function check
Scope of test	Operation/Requirements	Specified value/Notes	Possible cause/Remedy
1	Bulbs, function check IC		AD54.30-P-3000-01B
2	Warning buzzer, function check IC		AD54.30-P-3000-02C
3	Display instruments	The display instruments must indicate according to operating conditions.
4	Phototransistor (on models 202 and 210 only  )	Point a beam of light at the phototransistor with a pocket lamp. The display illumination of the LCD displays (outside temperature, trip odometer, total mileage recorder and electronic clock) must get brighter.
5	Maintenance display (on model 170 only  )	Move starter switch into position "2" and press left button twice within 1 second: The tool symbol appears and the current remaining distance appears for 10 seconds. Diagnosis and coding takes place with the HHT	AD54.30-P-2000-02E