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Body And Accessories

Chassis & Drivetrain

Climate Control

Diagnostic Manual, Info./Comm., Volume 1

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1.11 Instrument Cluster (IC) > 23 Electrical Test Program - Test

Electrical Test Program - Test

	Test scope	Test connection			Test condition	Nominal value	Possible cause/Remedy
1.0	Instrument cluster (A1) Voltage supply Circuit 30	3 (1A.3) 12 (1A.12)	A1	11 (1A.11) 11 (1A.11)	Ignition: OFF Remove A1 Disconnect connector 1 (30-pole)	11 - 14 V	Fuse 4 in fuse and relay box (F1), Wiring, 1.1
1.1	Voltage supply Circuit 15, fused	3 (1A.3)	A1	9 (1A.9)	Ignition: ON	11 - 14 V	Fuse 7 in fuse and relay box (F1), Wiring, A1
2.0	HHT interface Connection between A1 and data link connector (X11/4)	15 X11/4		11 (1B.11)	Ignition: OFF Remove A1, Disconnect connector 1 (30-pole)	< 5	Wiring.
3.0	ECL switch (S41)	1	S41	2	Ignition: OFF Remove coolant reservoir Disconnect connector at ECL switch (S41). Coolant level OK: Coolant level min.	110 <5	S41
4.0	Windshield washer fluid level switch (S42)	1	S42	2	Ignition: OFF Disconnect connector at S42. Washer fluid level OK: washer fluid level min.	174 <5	S42
5.0	SRS MIL (A1e15) Bulb				Ignition key in Position "2".	A1e15 is illuminated and then extinguishes after 4 seconds.	Bulb (A1e15), Wiring, SRS control module (N2/2).