GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Turn the ignition switch to the RUN position.
  2. Set the accessory switch to the TRIP position.
  3. Use a fused 3 amp jumper in order to momentarily backprobe between the accessory switch connector terminal D and ground.

Does the trip odometer display a reset to 0000.0?

--

Go to Step 2

Go to Step 3

2

  1. Replace the accessory switch. Refer to Accessory Switch Replacement .
  2. Inspect the system.

Is the symptom still present?

--

Go to Step 3

System OK

3

Inspect for a poor connection or an open in CKT 376.

Does a poor connection or an open exist in CKT 376?

--

Go to Step 4

Go to Step 5

4

Repair the poor connection or the open in CKT 376.

Is the repair complete?

--

System OK

--

5

Replace the instrument cluster. Refer to Instrument Cluster Replacement .

Is the repair complete?

--

System OK

--