GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: Use this diagnostic chart when only the rear release function of the keyless entry system is inoperative.

1

Did you perform the Remote Keyless Entry System Check?

Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

2

Press the rear compartment lid release button on the transmitter.

Does the rear compartment lid release operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Operate the rear compartment lid release from the control inside the vehicle.

Does the rear compartment lid release operate normally?

Go to Step 4

Go to Symptoms - Body Rear End in Body Rear End

4

Important: Inspect that the keyless entry transmitter is the correct model for the vehicle remote system. A wrong model transmitter may pass this test, but will not activate the vehicle remote system.

  1. Turn on the J 43241 Keyless Entry Tester.
  2. Place the transmitter on the J 43241 test pad.
  3. Press rear compartment lid release button of the transmitter.

Does a tone sound and the green light illuminate on the J 43241 after the button is pressed?

Go to Step 5

Go to Step 7

5

Test the remote control door lock receiver (RCDLR) portion of the rear compartment lid release relay control circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 6

6

Inspect for poor connections at the harness connector of the RCDLR. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 9

Go to Step 8

7

Replace the transmitter. Refer to Transmitter Programming .

Did you complete the replacement?

Go to Step 9

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8

Important: Perform the keyless entry transmitter programming procedure when replacing the RCDLR.

Replace the RCDLR. Refer to Remote Control Door Lock Receiver Replacement .

Did you complete the replacement?

Go to Step 9

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9

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3