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on board comp.

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bugs
New User

Mar 30, 2009, 6:58 AM

Post #1 of 3 (2865 views)
on board comp. Sign In
on my 2002 cadillac deville can i access my on board computer and how. i tryed by pressing the on/off buton but do not see the warm button on the climat contrl panel. what am i doing wrong. need help.
thks


Loren Champlain Sr
Veteran / Moderator
Loren Champlain Sr profile image

Mar 30, 2009, 4:26 PM

Post #2 of 3 (2860 views)
Re: on board comp. Sign In
This would be an OBDII system. AFAIK, you can only access data through the OBDII connector. I know that the older Cad's PCM were accessable through the heater controls, but don't think so, now. Do you have a CEL illuminated? Remember, when you pull a code, it is just telling you that there is a problem in that particular system. Doesn't neccessarily mean that particular part is bad.
Loren
SW Washington


Double J
Veteran / Moderator
Double J profile image

Mar 30, 2009, 8:40 PM

Post #3 of 3 (2856 views)
Re: on board comp. Sign In
The newer ones they did away with that but you may still be able to access your if you have the 3 buttons to the right of the DIC (Driver Information Center)

Here is a procedure


DTC display; 1998-2004 Seville and other model years with 3 buttons on the RH side of DIC


Use the 3 switches located to the right (LH drive cars) of the Driver Information Center (DIC) to activate and respond to the OBD prompts on the DIC.

ON/OFF = YES
INFO RESET = NO
INFO DOWN or INFO UP = manual toggle


Ignition ON, acknowledge any warning messages; press ON/OFF and INFO UP together for 2 to 3 seconds. Everything in front of you lights up for 4 or 5 seconds, then you will see:

Display shows "ALL?"

Answering YES will display "ALL CODES?"
Answering YES will run automatic test sequence and display codes, if any. Systems and codes will scroll faster than you are able to read them and write them; not to worry.
"ALL CLEAR CODES?" will display at the end of the automatic test. If you are satisfied you have the information you need, answer YES to clear/erase all error codes.


Answering "ALL?" with INFO DOWN will toggle systems test manually in order.
Answering "ALL?" with INFO UP will toggle system test manually in reverse order.

Press INFO RESET to reset DIC to "ALL?" to start again.

Ignition OFF to exit.


SYSTEMS: (as of 1998)

ABS (Antilock Brake System)
AMP (Amplifier)
DDM (Door Driver Module)
DIM (Dash Integration Module)
IPC (Instrument Panel Cluster)
IPM (Instrument Panel Module)
IRC (Integrated Radio Module)
PCM (Powertrain Control Module)
RFA (Remote Function Actuation)
RIM (Rear Integration Module)
SDM (Sensing and Diagnostic Module) Includes airbag crash data. Under RF seat
VTD (Vehicle Theft Deterrent)
MSM (Memory Seat Module)
TTM (Tilt/Telescoping Module)
RSS (Road Sensing Suspension

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