LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

New Member Needs Help (Car Failed Inspection)

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Old 07-20-14, 12:59 PM
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GhostEcho
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Originally Posted by Gene01
An OBD1 "sensor" is called a paper clip. If you have a pre '95 LS400, that's all you need.
Could you expand on how I could diagnose my check engine light code using a paper clip?
Old 07-21-14, 07:16 AM
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Gene01
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I don't have the Repair Manual here, but you just short two pins in the socket under the hood, then watch the CEL in the dash when you turn the key on. I'm sure that someone here has the exact procedure, or you can look at (I think) Lexls.com. That site has a great bunch of tutorials.
Old 07-22-14, 08:34 AM
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peterls
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Originally Posted by GhostEcho
Could you expand on how I could diagnose my check engine light code using a paper clip?
http://www.lexls.com/tutorials/intro/codereading.html
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