Did you perform the Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Remote Keyless Entry

Press each button of the transmitter one at a time.

Does the system operate normally?

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

Go to Step 3

Lock and unlock the door locks using the controls inside the vehicle.

Do the locks operate properly?

Go to Step 4

Go to Symptoms - Doors in Doors

Press the rear compartment release button inside the vehicle.

Does the rear compartment release operate properly?

Go to Step 5

Go to Symptoms - Body Rear End in Body Rear End

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 43421 test pad.
3. Press each button of the transmitter one at a time.

Does a tone sound and the green light illuminate on the J 43421 after each button is pressed?

Go to Step 10

Go to Step 6

Do any of the buttons on the transmitter sound the tone and illuminate the green light when pressed?

Go to Step 9

Go to Step 7

Replace the transmitter battery. Refer to Transmitter Battery Replacement .

Did you complete the replacement?

Go to Step 8

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1. Turn on the J 43241 Keyless Entry Tester.
2. Place the transmitter on the J 43421 test pad.
3. Press each button of the transmitter one at a time.

Does a tone sound and the green light illuminate on the J 43421 after each button is pressed?

Go to Step 10

Go to Step 9

Replace the transmitter. You must perform the programming procedure. Refer to Transmitter Programming/Synchronization .

Did you complete the replacement?

Go to Step 13

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Operate the transmitter within range of the vehicle.

Do all of the RFA functions operate normally?

Go to Step 13

Go to Step 11

Important: All transmitters which are to be recognized by the Body Control Module (BCM) must be programmed in a single programming sequence. If the system is placed in program mode it will erase all previously programmed transmitters upon the receipt of the programming signal from the first transmitter.

Perform the programming procedure. Refer to Transmitter Programming/Synchronization .

Did the following actions occur?

1. Both doors locked.
2. The drivers door unlocked.
3. The rear compartment lid opened.

Go to Step 13

Go to Step 12

Important: Perform the set-up procedure for the Body Control Module.

Replace the body control module. Refer to Body Control Module Replacement in Body Control System.

Did you complete the replacement?

Go to Step 13

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3