GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the remote control door lock receiver connector.
  2. Connect a test lamp between terminal P of the remote control door lock receiver connector and ground.

Does the test lamp light?

--

Go to Step 2

Go to Step 3

2

Connect a test lamp between terminal N and terminal P of the remote control door lock receiver connector.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

3

Use a test lamp in order to backprobe the left IP junction block with a test lamp between terminal A11 of connector C3 and ground.

Does the test lamp light?

--

Go to Step 6

Go to Step 7

4

Replace the remote control door lock receiver. Refer to Receiver Replacement .

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

5

Repair the open in CKT 850 between the remote control door lock receiver and ground splice pack G402. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

6

Repair the open in CKT 1040 between the remote control door lock receiver and the left IP junction block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--

7

Replace the left IP junction block. Refer to Relay/Fuse Center Replacement in Instrument Panel, Gauges and Console.

Is the repair complete?

--

Go to Remote Keyless Entry System Check

--