'98 2.2L Cavi Ignition

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'98 2.2L Cavi Ignition

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Chevrolet >> Past Vehicles >> Cavalier >> '98 2.2L Cavi Ignition

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'98 2.2L Cavi Ignition - 3/5/2008 2:26:04 PM

mmmjboner

Posts: 3
Joined: 3/5/2008
Status: offline

Anybody have a wiring diagram for the ICM?
What sensors does it use? Crank? Crank and cam?

Thanks!

Jeremy

EDIT:

an early '90's GM 4cyl with DIS would work too.

< Message edited by mmmjboner -- 3/5/2008 2:52:13 PM >

Post #: 1

RE: '98 2.2L Cavi Ignition - 3/7/2008 9:51:43 AM

mmmjboner

Posts: 3
Joined: 3/5/2008
Status: offline

Anybody out there?

I looked at the ICM's autozone had in stock. From what their computers say, there was a 3-plug (11 pins) ICM used in '93 and earlier, a 2-plug, 8 pin ICM used between '94 and '96, and a different 2-plug, 8 pin ICM used '97 to '02. This is just for the 2.2L's, in cavi's and corsicas and berettas too I think.

I looked through the manuals while I was there : that didn't help much. The number of pins in the manual don't match up with any of the actual ICM's I looked at. I can think of 9 pins that the ICM SHOULD have:

1. Ground
2. 12+
3. EST
4. Bypass
5. Crank sensor (to ecm)
6. Crank sensor (from sensor)
7. Sensor ground (to ecm)
8. Sensor ground (from sensor)
8. Tachometer

but I dont know what the other 2 would be for. The wire colors are pretty standard among the GM DIS ICM's, so it shouldn't be TOO hard to figure out. (I've got a junk 3800 on a stand with 3 cylinders and it runs [with starting fluid] but the ICM will fire even if there is no ECM, but the ign timing is locked at *I think* 10*BTDC.)

Bueller? Bueller?...

(in reply to mmmjboner)

Post #: 2

RE: '98 2.2L Cavi Ignition - 3/7/2008 9:53:16 AM

mmmjboner

Posts: 3
Joined: 3/5/2008
Status: offline

P.S. how many pulses per crank revolution does the crank sensor put out?

(in reply to mmmjboner)

Post #: 3