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Home >> Audi >> 1988 >> 5000CS Turbo L5-2226cc 2.22L SOHC Turbo (MC) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Testing and Inspection >> Flow of Diagnosis
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Flow of Diagnosis





NOTE: Connect and disconnect central connector for control unit with the ignition switched OFF. Do not damage contacts in terminal. Always check all connections being used. If the specified values are not attained, disconnect terminals and check if lines are open or if components are defective.

TEST CONDITIONS
- disconnect high tension wire from ignition coil on ignition distributor and connect to ground
- disconnect central connector from CIS-E control unit
- use multimeter US 1119 and switch to DCV 20

NOTE: Refer to current flow diagram when tracing circuits.

Sequence 1:





Sequence 2:




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