GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Has the Remote Keyless Entry System Check been performed?

--

Go to Step 2

Go to Remote Keyless Entry System Check

2

  1. Disconnect the power door lock control module.
  2. Connect a digital multimeter (DMM) between the lower door lock control module connector F for the CKT 158 (WHT/BLK) wire and ground.
  3. Open the side door.

Is continuity present?

--

Go to Step 3

Go to Step 4

3

Replace the power door lock control module.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

4

  1. Disconnect the side door jamb switch.
  2. Connect a DMM between the side door jamb switch connector cavity B for the CKT 150 (BLK) wire and ground.

Is continuity present?

--

Go to Step 6

Go to Step 5

5

Locate and repair the open in the CKT 150 (BLK) wire between the side door jamb switch and ground.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

6

  1. Connect a fused jumper wire between B+ and the power door lock control module connector cavity F for the CKT 158 (WHT/BLK) wire.
  2. Connect an unpowered test lamp between the side door jamb switch connector cavity A for the CKT 158 (WHT/BLK) wire and ground.

Does the test lamp light?

--

Go to Step 7

Go to Step 8

7

Replace the side door jamb switch.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

8

Locate and repair the open in the CKT 158 (WHT/BLK) wire between the power door lock control module and the side door jamb switch.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--