GM Service Manual Online
For 1990-2009 cars only

Power Door Locks Inoperative - Rear Door Liftgate only

Step

Action

Value(s)

Yes

No

1

Did the Power Door Lock System Check bring you here?

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Go to Step 2

Go to Power Door Locks System Check

2

  1. Disconnect the rear door lock motor connector at the door latch.
  2. Connect a test lampJ 35616-200 between the TAN (294) wire cavity A of the motor connector and ground.
  3. Press any of the door lock switches to the Unlock position.

Does the test lamp light?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 294 (TAN) between the rear door lock motor and splice S334.

Is the repair complete?

--

Go to Power Door Locks System Check

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4

  1. Connect a test lampJ 35616-200 between the GRY (295) wire cavity B of the motor connector and ground.
  2. Press any of the door lock switches to the lock position.

Does the test lamp light?

--

Go to Step 6

Go to Step 5

5

Repair the open in CKT 295 (GRY) between the rear door lock motor and splice S335.

Is the repair complete?

--

Go to Power Door Locks System Check

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6

Replace the rear door lock motor.

Is the repair complete?

--

Go to Power Door Locks System Check

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