'87 COUPE GT CIS-EIII Wiring Schematic?

7/87 production date. 2.3 5 cyl. CIS-EIII. The Bentley '84-'87 Coupe GT manual does not show this car with CIS-EIII System. The manual shows all with 25 pin ECM. This car has 35 pin ECM. The '88-'90 Audi 80/90 Bentley
manual shows CIS-EIII for 5 cyl., but the pin-outs and wire colors don't match. The '87 Audi 5000 Bentley manual-same problem. A call to the local Audi dealer Service-dead end. No supplemental service manuals for '87 Coupe GT w/ CIS-EIII. The car has serious drivability issues related to engine management, but without correct schematic diagnosis will be very difficult. Any Ideas? JR
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I would suspect that the driveability issues you are experiencing are due to issues other than the ECU. They tend to be rock solid in the T44s. It is much more likely that you have problems with vacuum, temp sensors, fueling ...
A very good resource is the following site: http://www.sjmautotechnik.com /
You can search history and get help from other very helpful T44 owners here: http://forums.audiworld.com/v8 / Don't let the V8 in the link foll you it is mostly for the I5 engines.
TonyJ former owner of four T44s
JR North wrote:

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JR, That sounds like one of those Special Build 1987.5 Coupes with the higher compression (NF?) engine, 4 wheel disc brakes and body coloured rear spoiler. The change over the 1986-era coupe in engine management was the addition of knock-sensing. You may be able to find help at Huw Powell's site: www.humanspeakers.com/audi specifically: http://www.humanspeakers.com/audi/tuning-cise.htm Now, you don't mention the "drivability issues", but you wouldn't be missing the "spare 10A fuse" in the fusebox that is actually needed (but not well labelled), would you? A posting to www.audifans.com or the 4k/urQ/CGT newsgroup on Audiworld may get you the help you are seeking. Cheers! Steve Sears 1987 Audi 5kTQ 1980 Audi 5k 1962 and '64 Auto Union DKW Junior deLuxes (SPAM Blocker NOTE: Remove SHOES to reply)

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Thanks, guys so far- The driveability issues are: Intermittently loses trigger to ignition module-engine stumbles/dies Intermittently pulls DPR to +12v-no current modulation-rough idle intermittent No response to ECT input-tests ok, then later fault appears The engine runs perfect when faults not present This car does NOT have KNS Does have body-colored spoiler JR
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OOps, yes it does JR North wrote:

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I would be suspecting a bad hall sensor in the distributor. They can be intermittent like you describe.
Another longer shot would be an intermittent failure of the fuel pump relay but this wouldn't throw the fault codes you are finding.
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