GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect the FRT PARK LPS fuse.

Is the fuse open?

--

Go to Step 2

Go to Step 3

2

Repair a short to ground in circuit 9.

Has the repair been made?

--

Go to Exterior Lights System Check

--

3

  1. Place the headlamp switch to the PARK position.
  2. Using a test light, backprobe between the underhood accessory wiring junction block harness connector C2 terminal F11 and ground.

Does the test light illuminate?

--

Go to Step 5

Go to Step 4

4

Repair a poor connection or an open circuit 9 between the S204 and the underhood electrical center harness connector C2 terminal F11.

Has the repair been made?

--

Go to Exterior Lights System Check

--

5

Replace the underhood electrical center. Refer to Underhood Electrical Center or Junction Block Replacement in Wiring Systems.

Has the repair been made?

--

Go to Exterior Lights System Check

--