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"...using a test lead I jumpered the B and C terminals in the harness connector according to fig. 15 in the book and repeatedly installed them and removed them. I am not getting any spark."
Charles, I'm afraid my hasty read of that Bentley test sequence caused me to overlook the obvious:
If the ICU can't do its thing with a simulated (Hall Sensor) signal, there is no point in testing the HS itself. It's a 2-step process:
1) Hall Sensor signals ICU that it's Spark Time
2a) ICU removes ground from Coil 1
2b) Coil then generates spark voltage to distributor center wire
2c) ICU also pulses FI ECU, allowing fuel pumps etc.
The B-C jumper simulates Step 1, if step 2 then fails, the (disconnected) Hall sensor wasn't even present, so there's no reason (yet) to suspect it.
See the NOTE below step 6. It assumes the B-C simulation worked, and thus leaves you hanging if it didn't. For now I must do the same. In the meantime I suggest you start a new post/thread, beginning with a concise summary of what was learned from this one.
I'll be watching.
--
Bruce Young
'93 940-NA (current), 240s (one V8), 140s, 122s, since '63.
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