GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has the Power Door Locks System Check been performed?

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Go to Step 2

Go to Power Door Locks System Check

2

  1. Disconnect the malfunctioning door lock motor connector.
  2. Connect a test lamp from CKT 294 (TAN) at the power door lock motor connector to ground.
  3. Move one power door lock switch to the UNLOCK position.

Does the test lamp light?

--

Go to Step 3

Go to Step 4

3

  1. Connect a test lamp from CKT 295 (GRY) to CKT 294 (TAN) at the inoperative power door lock motor.
  2. Move one power door lock switch to the UNLOCK position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 294 (TAN) from the power door lock motor connector to splice S600 (Pick-up), S258 (Utility). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Door Locks System Check

--

5

Replace the power door lock motor. Refer to Power Door Lock Actuator Replacement .

Is the repair complete?

--

Go to Power Door Locks System Check

--

6

Repair the open in CKT 295 (GRY) from the inoperative power door lock motor to splice S601 (Pick-up), S258 (Utility). Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Power Door Locks System Check

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