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Retrieving OBD Fault Codes 200 1991

uid 18083's pic
posted by  lucid on  Wed Oct 24 04:48 CST 2007
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last visit: Fri Oct 24 12:31 CST 2014
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You can read them yourself by counting LED pulses at an underhood module The procedure and code definitions are in the 700/900 FAQ feature. See the --select shortcut-- menu at top right corner, and scroll down to FEATURES.

The "front end" of the FAQ can be a challenge at first, so I'll jump you to the OBD (On Board Diagnostics) section. Once there, scan down the text to the part most relevant right now:

1. Diagnostic Test Mode 1: Fault Code Retrieval

You will be looking for LH 2.4 (FI) and EZK-16 (Ignition) codes (Sockets 2 and 6 respectively).

The code reset procedure is also given here. Pulling fuse 6 is the quick and dirty method, and may require the ECU to relearn a few the car's unique operating characteristics. Not a big deal, IMO, but since you'll see the "procedure" defined, I felt I should elaborate a little.

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






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