GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2001 🢒 Seville - RHD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Driver Information Center (DIC) Switch Inoperative

Step

Action

Yes

No

Schematic Reference: Instrument Cluster Schematics .

1

Did you perform the Instrument Cluster Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

2
  1. Install a scan tool.
  2. Turn the ignition ON, with the engine OFF.
  3. With the scan tool, observe the Ignition 1 parameter in the IPC Input data list.

Does the scan tool display On?

Go to Step 3

Go to Step 12

3
  1. Press and release each of the driver information center (DIC) buttons.
  2. With the scan tool, observe the DIC switch parameters in the IPC Input data list.

Does the scan tool display On when each button is pressed and Off when each button is released?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 4

4

Does the scan tool display Off when all of the following DIC buttons are pressed?

    • DSPL MODE
    • ENG/MET
    • TRIP RESET
    • TRIP A/B

Go to Step 11

Go to Step 5

5

Does the scan tool display Off when all of the following DIC buttons are pressed?

    • ON/OFF
    • INFO RESET
    • INFO Down
    • INFO Up

Go to Step 11

Go to Step 6

6

Does the scan tool always display Off for the suspected button?

Go to Step 8

Go to Step 7

7
  1. Turn the ignition OFF.
  2. Disconnect the DIC switch.
  3. Turn the ignition ON, with the engine OFF.
  4. With the scan tool, observe the suspected DIC switch parameter.

Does the scan tool display On for the suspected switch?

Go to Step 9

Go to Step 13

8
  1. Turn the ignition OFF.
  2. Disconnect the DIC switch.
  3. Connect a 3 ampere fused jumper between the signal circuit of the suspected DIC switch and a good ground. Refer to Circuit Testing in Wiring Systems.
  4. Turn the ignition ON, with the engine OFF.
  5. With the scan tool, observe the suspected DIC switch parameter.

Does the scan tool display On for the suspected switch?

Go to Step 13

Go to Step 10

9

Test the signal circuit of the suspected DIC switch for a short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

10

Test the suspected signal circuit of the DIC switch for an open or for a high resistance. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

11

Test the ground circuit of the DIC switch for an open or for a high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 13

12

Test the ignition 1 voltage circuit for an open. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

13

Inspect for poor connections at the harness connector of the DIC switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 15

14

Inspect for poor connections at the harness connector of the instrument cluster (IPC). Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

15

Replace the DIC switch. Refer to Driver Information Display Switch Replacement .

Did you complete the replacement?

Go to Step 17

--

16

Replace the instrument cluster (IPC). Refer to Instrument Cluster Replacement .

Did you complete the replacement?

Go to Step 17

--

17

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 2