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'91 ecu troubles
#12
This car was imported direct from Korea by a legit (cannot remember the company name) car dealer when Hyundai was still starting out down here. The diagnostic port is a 16 pin D-connector. If you have an email ad, I can email you the schematic that I used. This site allows only 500KB. I am currently working on a 1994 Corolla with a 4afe engine. This car has a diagnostic port in the engine bay and use flash codes being obd1.

The G4GR has two coils (wasted spark system). The CMP/CKP sensors and ignition coils are brand new. The coils have three primary wires. One wire from each coil connected together (B+) and the other two are separately connected to the ECU ignition coil signal outputs. And 4 HV wires. It is not COP(Coil On Plug) which we also have down here on newer cars. As I said I have not removed the valve cover to actually see the cams turning but I did remove the timing belt cover to check the timing. I will remove the valve cover but I doubt the cams not turning is the problem. If it is, this will be the first time. I am quite sure about the health of the engine.

   

   

   
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Messages In This Thread
'91 ecu troubles - by Kirk - 06-05-2015, 04:55 PM
RE: '91 ecu troubles - by fixkick - 06-05-2015, 11:05 PM
RE: '91 ecu troubles - by Kirk - 06-08-2015, 04:28 AM
RE: '91 ecu troubles - by GeoHacker - 06-06-2015, 02:41 PM
RE: '91 ecu troubles - by fixkick - 06-06-2015, 11:17 PM
RE: '91 ecu troubles - by GeoHacker - 06-08-2015, 07:23 AM
RE: '91 ecu troubles - by fixkick - 06-08-2015, 04:39 AM
RE: '91 ecu troubles - by fixkick - 06-08-2015, 11:16 PM
RE: '91 ecu troubles - by greenfield54 - 09-26-2015, 09:15 PM
RE: '91 ecu troubles - by fixkick - 09-26-2015, 11:38 PM
RE: '91 ecu troubles - by greenfield54 - 09-27-2015, 08:26 PM
RE: '91 ecu troubles - by greenfield54 - 09-29-2015, 09:41 PM
RE: '91 ecu troubles - by greenfield54 - 10-01-2015, 07:50 PM
RE: '91 ecu troubles - by fixkick - 10-01-2015, 11:55 PM
RE: '91 ecu troubles - by greenfield54 - 10-02-2015, 09:40 PM
RE: '91 ecu troubles - by greenfield54 - 10-03-2015, 10:11 PM
RE: '91 ecu troubles - by fixkick - 10-03-2015, 10:57 PM
RE: '91 ecu troubles - by greenfield54 - 10-03-2015, 11:03 PM
RE: '91 ecu troubles - by fixkick - 10-03-2015, 11:15 PM
RE: '91 ecu troubles - by greenfield54 - 10-03-2015, 11:21 PM
RE: '91 ecu troubles - by fixkick - 10-03-2015, 11:36 PM
RE: '91 ecu troubles - by greenfield54 - 10-03-2015, 11:47 PM
RE: '91 ecu troubles - by fixkick - 10-03-2015, 11:54 PM
RE: '91 ecu troubles - by greenfield54 - 10-04-2015, 08:56 PM
RE: '91 ecu troubles - by fixkick - 10-04-2015, 11:42 PM
RE: '91 ecu troubles - by fixkick - 10-05-2015, 02:15 AM
RE: '91 ecu troubles - by greenfield54 - 10-05-2015, 09:42 PM
RE: '91 ecu troubles - by fixkick - 10-05-2015, 10:43 PM
RE: '91 ecu troubles - by greenfield54 - 10-06-2015, 09:01 PM
RE: '91 ecu troubles - by fixkick - 10-06-2015, 11:00 PM
RE: '91 ecu troubles - by greenfield54 - 10-07-2015, 06:41 PM
RE: '91 ecu troubles - by fixkick - 10-07-2015, 10:07 PM
RE: '91 ecu troubles - by fixkick - 10-07-2015, 11:11 PM
RE: '91 ecu troubles - by greenfield54 - 10-09-2015, 09:32 PM
RE: '91 ecu troubles - by fixkick - 10-09-2015, 10:04 PM
RE: '91 ecu troubles - by greenfield54 - 10-09-2015, 10:23 PM
RE: '91 ecu troubles - by fixkick - 10-09-2015, 11:19 PM
RE: '91 ecu troubles - by fixkick - 10-10-2015, 12:36 AM
RE: '91 ecu troubles - by greenfield54 - 10-10-2015, 01:10 PM
RE: '91 ecu troubles - by fixkick - 10-10-2015, 10:35 PM
RE: '91 ecu troubles - by greenfield54 - 10-16-2015, 09:08 PM
RE: '91 ecu troubles - by fixkick - 10-22-2015, 03:56 AM
RE: '91 ecu troubles - by greenfield54 - 10-22-2015, 09:20 PM
RE: '91 ecu troubles - by fixkick - 10-23-2015, 01:25 AM
RE: '91 ecu troubles - by greenfield54 - 10-24-2015, 09:03 PM
RE: '91 ecu troubles - by fixkick - 10-25-2015, 04:12 AM
RE: '91 ecu troubles - by greenfield54 - 10-26-2015, 09:16 PM
RE: '91 ecu troubles - by fixkick - 10-26-2015, 10:41 PM
RE: '91 ecu troubles - by greenfield54 - 10-27-2015, 09:29 PM
RE: '91 ecu troubles - by fixkick - 10-27-2015, 11:04 PM

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