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Old 08-12-2002, 04:55 PM
Posts: n/a
check engine light

My 89 560 sel check engine light stays on all the time. Which pins do I use on the jack to retreive the code, and do I use the same pins to clear it? It's the only light on, so I was wondering if there were any usual suspects that make it come on. Thanks,
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Old 08-12-2002, 05:26 PM
Join Date: Mar 2000
Location: Gainesville FL
Posts: 6,844
The diagnostic connector x11 on the left fender only gives duty-cylce codes and will read right when the system is right.

The diagnostic connector x92 on the right side will give engine codes through pin #3. Look at the DIY article "Evaluating engine controls" to see how to read both style codes and how to erase impulse codes.
Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician
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