FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Test 11, TFI Module Switching Circuit Check


1. Attach a 12 volt DC test light between the ignition coil negative terminal and engine ground.
2. Connect a remote starter switch.
3. Turn ignition switch to RUN position.
4. Crank engine and observe test light.
5. If light flashes, proceed to TEST 13.
6. If light illuminates but does not flash, problem is probably in ECA related circuits.
7. If light does not illuminate or is very dim, proceed to TEST 12.