GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Was the Power Door Locks System Check performed?

--

Go to Step 2

Go to Power Door Locks System Check

2

Check the condition of the PWR ACCY fuse A in the IP fuse block

Is the fuse open?

--

Go to Step 7

Go to Step 3

3

  1. Remove the power door lock relay from the connector.
  2. Connect an unpowered test lamp between the power door relay connector, cavity C for CKT 540 (ORN), and ground.

Does the test lamp light?

--

Go to Step 4

Go to Step 8

4

Connect a J 39200 between the power door lock relay connector, cavity D for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 5

Go to Step 9

5

  1. Disconnect the left front door lock actuator motor connector.
  2. Connect a J 39200 between the left front power door lock actuator motor connector, cavity A, and the power door lock relay connector, cavity B, for CKT 294 (TAN).

Is continuity present?

--

Go to Step 6

Go to Step 10

6

Connect a J 39200 between the left front power door lock actuator motor connector, cavity B, and the power door lock relay connector, cavity E, for CKT 295 (GRY).

Is continuity present?

--

Go to Step 11

Go to Step 12

7

Repair the short to ground in CKT 540 (ORN).

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Door Locks System Check

--

8

Repair the open in CKT 540 (ORN) between the IP fuse block and the power door lock relay.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Door Locks System Check

--

9

Repair the open in CKT 150 (BLK) between the power door lock relay and ground G201 or ground G200 on vehicles with upfitter provisions.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Door Locks System Check

--

10

Repair the open in CKT 294 (TAN) between the power door lock relay and splice S243.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Door Locks System Check

--

11

Replace the power door lock relay.

Is the repair complete?

--

Go to Power Door Locks System Check

--

12

Repair the open in CKT 295 (GRY) between the power door lock relay and splice S244.

Refer to Wiring Repairs .

Is the repair complete?

--

Go to Power Door Locks System Check

--