GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Door Locks System Check?

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Go to Step 2

Go to Power Door Locks System Check

2

  1. Use a test lampJ 35616-200 in order to backprobe CKT 195 (LT BLU) cavity A at the liftgate lock/unlock release switch to ground.
  2. Insert the key in the liftgate lock cylinder.
  3. Turn the key toward the lock position.

Does the test lamp light?

--

Go to Step 3

Go to Step 6

3

Is the lock function inoperative by the liftgate lock/unlock switch?

--

Go to Step 5

Go to Step 4

4

  1. Use a test lampJ 35616-200 in order to backprobe CKT 194 (WHT) cavity B at the liftgate lock/unlock release switch to ground.
  2. Turn the key in the lock cylinder toward the unlock position.

Does the test lamp light?

--

Go to Step 7

Go to Step 6

5

Repair the open in CKT 195 (LT BLU) between the liftgate lock/unlock release switch and splice S232.

Is the repair complete?

--

Go to Power Door Locks System Check

--

6

Use a test lampJ 35616-200 in order to backprobe CKT 640 (ORN) cavity D at the liftgate lock/unlock release switch to ground.

Does the test lamp light?

--

Go to Step 8

Go to Step 9

7

Repair the open in CKT 194 (WHT) between the liftgate lock/unlock release switch and splice S231.

Is the repair complete?

--

Go to Power Door Locks System Check

--

8

Replace the liftgate lock/unlock release switch.

Is the repair complete?

--

Go to Power Door Locks System Check

--

9

Repair the open in CKT 640 (ORN) between the instrument panel fuse block and the liftgate lock/unlock release switch.

Is the repair complete?

--

Go to Power Door Locks System Check

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