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

Test CKT 294 (TAN) for an open or short to ground.

Is the circuit OK?

--

Go to Step 4

Go to Step 3

3

Repair CKT 294 (TAN). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Power Door Locks System Check

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4

Test CKT 295 (GRY) for an open or short to ground.

Is the circuit OK?

--

Go to Step 6

Go to Step 5

5

Repair CKT 295 (GRY). Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Power Door Locks System Check

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6

  1. Inspect the power door lock actuator connector for poor terminal contact. Refer to Intermittents and Poor Connections Diagnosis in Wiring Systems.
  2. If the contact is OK, replace the door lock actuator. Refer to Door Lock Actuator Replacement .

Did you complete the repair?

--

Go to Power Door Locks System Check

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