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

  1. Disconnect the power door lock control module connector.
  2. Connect an unpowered test lamp between the power door lock control module, cavity G for CKT 540 (ORN), and ground.

Does the test lamp light?

--

Go to Step 3

Go to Step 8

3

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

Is continuity present?

--

Go to Step 4

Go to Step 9

4

  1. Close the side door.
  2. Connect a J 39200 between the power door lock control module connector, cavity F for CKT 158 (WHT/BLK), and ground.

Is continuity present?

--

Go to Step 5

Go to Step 6

5

  1. Disconnect the side door jamb switch connector.
  2. Connect a J 39200 between the power door lock control module connector, cavity F for CKT 158 (WHT/BLK), and ground.

Is continuity present?

--

Go to Step 10

Go to Step 11

6

  1. Connect an unpowered test lamp between the power door lock control module connector, cavity C for CKT 195 (LT BLU), and ground.
  2. Depress any power door lock switch to perform the lock operation.

Does the test lamp light?

--

Go to Step 7

Go to Step 12

7

  1. Connect an unpowered test lamp between the power door lock control module connector, cavity H for CKT 195 (LT BLU), and ground.
  2. Depress any power door lock switch to perform the lock operation.

Does the test lamp light?

--

Go to Step 13

Go to Step 14

8

Repair the open in CKT 540 (ORN) between splice S228 and the power door lock control module.

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 control module and ground G201 or ground G200 in vehicles with upfitter provisions.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Door Locks System Check

--

10

Repair the short to ground in CKT 158 (WHT/BLK) between the power door lock control module and the side door jamb switch.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Door Locks System Check

--

11

Replace the side door jamb switch.

Refer to Sliding Door Jamb Contact Plate Replacement .

Is the repair complete?

--

Go to Power Door Locks System Check

--

12

Repair the open in CKT 195 (LT BLU) between splice S241 and the power door lock control module connector, cavity C.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Door Locks System Check

--

13

Replace the power door lock control module.

Is the repair complete?

--

Go to Power Door Locks System Check

--

14

Repair the open in CKT 195 (LT BLU) between splice S241 and the power door lock control module connector, cavity H.

Refer to Wiring Repairs

Is the repair complete?

--

Go to Power Door Locks System Check

--