Passat L4-1984cc 2.0L DOHC (1991)
Ignition Control Module: Testing and Inspection
Power Stage Location
1.
Disconnect the high tension lead (terminal 4) at the ignition coil and connect it to ground with a jumper wire.
Ignition System Testing
2.
Remove the harness connector at the power stage.
3.
Connect an LED test light between terminals 2 and 3 of the harness connector.
4.
With the ignition switch crank the engine.
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The test light should flicker.
If the test light does not flicker, the Hall sender, the CIS-E control unit, or the wiring may be defective. Refer to HALL SENDER and SYSTEM
ELECTRICAL TEST.
If the test light does flicker continue.
5.
With the ignition "OFF", reconnect the power stage harness connector.
Power Stage Testing
6.
Connect a suitable volt/ohm meter between terminal 1 and 15 of the ignition coil.
