Thread: Retrieving Pre-OBDII Diagnostic Data From ’94 SL500
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Old 10-27-2007, 10:49 AM
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JimF JimF is offline
'94 S500: only 793 sold!
  
Join Date: Mar 2001
Location: San Diego, CA
Posts: 1,933
If you refer to the picture in MENU#2 of the 38pin Diag connector,
1 = ground <-- connect to J3
3 = battery 12V <-- connect to J1

J2 connects to the ECU under test. You'll want to test the following 'systems'

Pin ---------- Name
4 ----------- LH-SFi
7 ----------- EA/CC/ISC
19 ---------- Diag Module

and anything else that you feel that the car has.
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'94 S500 Cpe

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Last edited by JimF; 10-27-2007 at 12:04 PM.
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