Corrado L4-1781cc 1.8L SOHC SC (1991)
- connect multimeter between outer terminals of harness connector using VW 1594 adaptor kit
- switch ON ignition
-
must be 10 Volts minimum
If NO
- check for open or short circuit in harness wiring using wiring diagram, repair or replace as necessary
If wiring OK
- replace Digifant control unit (J 169)
- switch 0FF ignition
- reconnect harness connector to Hall control unit
Functional check
- disconnect main harness connector for fuel injectors
- disconnect Hall sender harness connector at distributor
- push up rubber boot (covering connector) to expose terminals and reconnect to distributor
- connect US 1115 LED tester to center terminal and then either of the outer terminals using VW 1594 adaptor kit
- operate starter
-
LED tester must flicker
If NO
- replace distributor