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

--