GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Pulldown System Check ?

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Go to Step 2

Go to Pulldown System Check

2

  1. Disconnect the Rear Compartment Lid Pull Down Motor.
  2. Connect a test lamp between terminal A and terminal D of the Rear Compartment Lid Pull Down Motor.

Does the test lamp light?

--

Go to Step 6

Go to Step 3

3

Connect a test lamp between terminal A of the Rear Compartment Lid Pull Down Motor and ground.

Does the test lamp light?

--

Go to Step 5

Go to Step 4

4

Repair CKT 1440 (ORN) for an open or short to ground. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Pulldown System Check

Go to Step 7

5

Repair CKT 1150 (BLK) for an open or short. Refer to Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Pulldown System Check

Go to Step 8

6

Test the Rear Compartment Pull Down connector for proper terminal contact. Refer to Connector Repairs in Wiring Systems.

Did you find and correct the condition?

--

Go to Pulldown System Check

Go to Step 7

7

Replace the Rear Compartment Lid Pull Down Motor. Refer to Pulldown Unit Replacement - Rear Compartment Lid .

Did you find and correct the condition?

--

Go to Step 8

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8

  1. Make sure any components removed during diagnosis are installed in place and that all connectors are connected.
  2. Repeat the system check. Refer to Pulldown System Check .

Is the system check complete?

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System OK

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