200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
Speedometer Head: Testing and Inspection
Speedometer sender, checking
Note: The speedometer sender is located in the left hand side of the transmission housing near the drive axle flange.
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remove 26-point black connector from instrument cluster
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attach 26-point connector to measuring adapter 1594116
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connect digital multimeter US 1119 between contacts 4 and 10
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set multimeter to ohm range
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place transmission in neutral and apply parking brake
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secure vehicle with wheel chocks to prevent rolling
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raise left front of vehicle at proper lift point until wheel turns freely
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place jack stand under vehicle for safety
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slowly rotate wheel
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reading must alternate between 0.0 ohm and infinite ohm
If NO
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repair break in wiring according to current flow diagram OR replace speed sensor