GM Service Manual Online
For 1990-2009 cars only

INFO Up

Step

Action

Value(s)

Yes

No

1

Was Instrument Cluster System Check performed?

--

Go to Step 2

Go to Instrument Cluster System Check

2

  1. Engine running.
  2. PressINFO UP control button.

Does the DIC change ?

--

Go to Instrument Cluster System Check

Go to Step 3

3

  1. Ignition switch ON (engine not running).
  2. Connect scan tool.
  3. Select the IPC inputs menu.
  4. Press the INFO up button.

Does the INFO Up Switch input toggle from ON to OFF when button is pressed?

--

Go to Step 11

Go to Step 4

4

Does the INFO down button work?

--

Go to Step 5

Go to Step 8

5

  1. Ignition switch OFF.
  2. Disconnect the RH DIC switch connector.
  3. Connect a fused jumper between the terminals 5, CKT 1544 (ORN) and 7, CKT 451 (BLK/WHT).
  4. Ignition switch ON.

When the jumper is added and removed does the scan tool INFO UP switch input toggle ON/OFF ?

--

Go to Step 10

Go to Step 6

6

Check for CKT 1544 (ORN) for an open or short to ground.

Was there a problem with CKT 1544?

--

Go to Step 7

Go to Step 11

7

Repair CKT 1544 (ORN).

Is the repair complete?

--

Go to Instrument Cluster System Check

--

8

Check for CKT 451 (BLK/WHT) for an open.

Was there a problem with CKT 451?

--

Go to Step 9

Go to Step 10

9

Repair CKT 451 (BLK/WHT).

Is the repair complete?

--

Go to Instrument Cluster System Check

--

10

Replace the RH IPC control (DIC) switch. Refer to Driver Information Display Switch Replacement .

Is the repair complete?

--

Go to Instrument Cluster System Check

--

11

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

Is the Instrument Cluster (IPC) replacement complete?

--

Go to Instrument Cluster System Check

--