GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Power Door Locks System Check?

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Go to Step 2

Go to Power Door Locks System Check

2

  1. Use a test light in order to backprobe the remote control door lock receiver between connector C1 terminal A and ground.
  2. Press the UNLOCK button on the keyless entry transmitter.

Did the test light flash?

--

Go to Step 3

Go to Step 5

3

  1. Use a test light in order to backprobe the remote control door lock receiver between connector C1 terminal E and terminal A.
  2. Press the LOCK button on the keyless entry transmitter.

Did the test light illuminate?

--

Go to Step 4

Go to Step 5

4

  1. Disconnect the left front door lock motor connector.
  2. Connect the test light between terminal A of the left front door lock motor connector and ground.
  3. Press the UNLOCK button on the keyless entry transmitter.

Did the test light flash?

--

Go to Step 6

Go to Step 7

5

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

Did you complete the repair?

--

Go to Power Door Locks System Check

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6

  1. Connect the test light between terminal A and terminal B of the left front door lock motor connector.
  2. Press the UNLOCK button on the keyless entry transmitter.

Did the test light flash?

--

Go to Step 8

Go to Step 9

7

Repair the open in CKT 694 between the remote control door lock receiver connector C1 terminal A and the left front door lock motor connector terminal A. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Power Door Locks System Check

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8

Replace the left front door lock motor. Refer to Door Lock Switch Replacement .

Did you complete the repair?

--

Go to Power Door Locks System Check

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9

Repair the open in CKT 295 between the left front door lock motor connector terminal B and the door lock relay connector terminal B. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

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Go to Power Door Locks System Check

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