"The first part of the relay will click when I put it in KPII, but it won't close the second contact like it's supposed to."
• That "second contact" is the Fuel pump relay, which in the 240 LH 2.2 system doesn't close until the ECU grounds its coil during cranking.

"What needs to happen for that relay to close?"
• The simplified answer is in Step 2-b of the sequence that Jerry posted below. The detail is the grounding of the fuel pump relay coil (terminal 86-2) by the ECU, when it receives "timing pulses" from the EZK Ignition CU, during cranking.

What I don't get is this: "If you put the car in KPII, the ignition coil starts clicking rapidly,"
The coil has no moving parts to click. If this is a turbo car, it may have an "Impulse Relay" (near the coil), but I don't have any info on that except that I think it's to "assist" the coil during starting (which would suggest action in KPIII rather than II.)


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Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.