GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic procedure should only be used if the power doors unlock with the power door lock switches and are inoperative with a keyless entry transmission.

1

Did you perform the Remote Keyless Entry System Check?

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Go to Step 2

Go to Remote Keyless Entry System Check

2

  1. Disconnect the remote control door lock receiver connector.
  2. Connect a test lamp between cavity B and ground.
  3. Press the LF door lock switch to the unlock position.

Does the test lamp light?

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Go to Step 3

Go to Step 4

3

Replace the remote control door lock receiver. Refer to Remote Control Door Lock Receiver Replacement .

Is the repair complete?

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Go to Remote Keyless Entry System Check

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4

Repair the open in CKT 194 (WHT) between the remote control door lock receiver and S257. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Remote Keyless Entry System Check

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