G643(E) Service Manual Chapter 4. Engine Electrical System 119
Test 1 Tester Connections
Test 2 Tester Connections
Pickup Coil Testing
1. Remove The distributor cap and rotor.
2. Disconnect the pickup coil leads from the module.
3. Connect an ohmmeter between the pickup coil
lead and housing (test 1, IAGS059S).
Reding should be infinite (no continuity).
4. Connect an ohmmeter to both pickup coil leads
(test 2, IAGS059S). Reading should be a constant,
unchanging value between 500-1500 ohms. Flex
leads by hand at coil and connector to locate
intermittent opens. Replace pickup coil if not
within specifications.
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