GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2000 🢒 Eldorado 🢒 Body and Accessories 🢒 Body Control System 🢒 Diagnostic System Check - Radio/Audio System

Diagnostic System Check - Radio/Audio System for Cadillac Eldorado 2000

Step

Action

Value(s)

Yes

No

1
  1. Connect a scan tool to the data link connector (DLC).
  2. Turn the ignition switch to the RUN position.
  3. Establish communications with the vehicle.

Does the scan tool communicate with the vehicle?

--

Go to Step 2

Go to Scan Tool Does Not Communicate with Class 2 Device

2

Establish communications with the radio.

Does the scan tool communicate with the radio?

--

Go to Step 3

Go to Radio Display Inoperative, No Sound from Speakers

3

Display the radio DTCs.

Are there any radio DTCs current?

--

Go to Diagnostic Trouble Code (DTC) List/Type

Go to Radio/Audio System Check