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#1
12-26-2007, 03:28 PM
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500E CAN system data help
My 92 500 E has been running rough for a while. Recent (past 2 years) part replacements include actuator, upper and lower engine wiring harnesses, kickdown switch and throttle position switch. Also did tune up with cap, rotor plugs and ignition wires.
I have the following codes from checking the pins in the 38 pin connector: Pin 4 code 17 (won't clear) Message: No CAN data transmission with EA/CC/ISC control module or CC/ISE control module Pin 6 Code 31 (won't Clear) Message: CAN communication with LH-SFI or Left & Right control modules faulty Pin 7 Code 3 (clears) Right EA/CC/ISC actuator (left cylinder bank M16/1) 5 (clears) Stop Lamp switch 7 (won't clear) CAN data bus signal from EA/CC/ISC, ABS/ASR, HFM-SFI or LH-SFI (right or left) control module faulty 14 (clears) Closed throttle position contact switch Pin 8 Code 9 LH-SFI control module voltage supply, open circuit 10 Base module voltage supply output fuse F2, open circuit 11 Base module voltage supply output fuse F3, open circuit 12 Base module voltage supply output fuse F1, open circuit 13 Base module voltage supply output fuse F4, open circuit All pin 8 codes clear I don't get any signal from pin 19 and thought I should at least get 1 flash (no codes). I checked all the fuses on the base module and they are good. I had recently replaced the throttle postion switch - is there a trick to installing it? It was starting and running rough until I checked and cleared the codes (yesterday) and now it will not start (I hear the fuel pump running etc) I desperately need guidance on this as I am planning on traveling with the car next week and need it running well. BTW, my wife is not happy with me on this car. Thanks, Lee 
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#3
12-28-2007, 07:58 AM
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Sounds like a problem with the base module.
Base module is the power supply for the computers in the can box. Have you looked at the distributor caps?
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#7
01-07-2008, 03:13 PM
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Way to threadjack, TATI. How does your question have anything to do with the original post?
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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Linear Mode
