GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the OFF position.
  2. Disconnect the instrument cluster heads-up display harness connector.
  3. Turn the ignition switch to the ON position.

Does the ENG/ MET switch work for the trip calculator?

--

Go to Step 3

Go to Step 2

2

  1. Inspect for a poor connection, an open, a short to ground, or a short to B+ on CKT 811.
  2. If OK, replace the trip calculator. Refer to Driver Information Center Module Replacement .
  3. Inspect the system.

Is the symptom still present?

--

Go to Instrument Cluster System Check

System OK

3

  1. Replace the instrument panel heads-up display (HUD). Refer to Head Up Display Module Replacement .
  2. Inspect the system.

Is the symptom still present?

--

Go to Instrument Cluster System Check

System OK