With the Key ON, do not start the car, using the A/C control panel, press the OFF and the PASS UP button for 3 seconds at the same time.
what buttons are used to bring up codes on display of 1994 cadillac etc
push the AC and heater buttons in at the same time and hold for 6 seconds
You can find it on 12volt.com
To clear codes on a 1994 Cadillac Eldorado Touring, you'll need to disconnect the vehicle's battery. Start by removing the negative battery cable and waiting for about 10-15 minutes to ensure that the engine control module (ECM) resets. Reconnect the cable, and the trouble codes should be cleared. Alternatively, you can use an OBD-I scanner to clear the codes directly if you have one available.
first you have to run you car through a dyno test.
To reset the computer on a 1992 Cadillac Eldorado, you can disconnect the negative battery terminal and leave it disconnected for about 10-15 minutes. This will clear any stored diagnostic trouble codes and reset the engine control module (ECM). After reconnecting the battery, start the vehicle and allow it to idle for a few minutes to re-establish normal operating parameters.
The F7.0 code means there is no trouble; all is ok.
there is a sequence of buttons pushed on the radio which access the ODB, sorry can't remember the sequence.
To reset the computer on a 1991 Cadillac Eldorado, disconnect the negative battery cable for about 10-15 minutes. This will clear the computer's memory and reset any stored trouble codes. After reattaching the cable, start the vehicle and allow it to idle for a few minutes to let the computer recalibrate. Lastly, drive the car gently for a short distance to help the system adapt to normal operating conditions.
A. Turn the igition switch on B. Depress the OFF and WARMER buttons on the climate control panel at the same time until the segment check appears on the instrument panel. c. once the service mode is entered , any trouble codes that are stored in the computer memory will be displayed. TO CLEAR CODES A. Press the HI button on the climate control panel, this will cause the display to read ECM DATA. B. Press the LO button on the climate control panel until the display reads ECM CLEAR CODES. C. Now press the high button on the climate control panel and the display should read ECM CODES CLEAR. C. After 3 seconds all stored ECM codes will be erased.
press n hold the off and warmer buttons on heater controls while key is on
To display climate codes, you have to push OFF & WARM buttons at the same time for about 2-3 seconds. This will display any codes or if you see 00 then it does not detect anything wrong, which doesn't always mean that it is free of trouble. Hope this helps good luck!