Did you review the Keyless Entry System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Keyless Entry System Description and Operation

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

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 theJ 43241 Keyless Entry Tester.
2. Place the transmitter on the J 43241 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 43241 after each button is pressed?

Go to Step 9

Go to Step 5

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

Go to Step 8

Go to Step 6

Replace the transmitter battery. Refer to Transmitter Battery Replacement .

Did you complete the replacement?

Go to Step 7

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1. Turn on theJ 43241 Keyless Entry Tester.
2. Place the transmitter on theJ 43241 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 43241 after each button is pressed?

Go to Step 9

Go to Step 8

Replace the transmitter.

Did you complete the replacement?

Go to Step 11

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Perform the synchronization procedure. Refer to Transmitter Synchronization .

Did the locks cycle to lock then unlock?

Go to Step 10

Go to Step 11

Operate the transmitter within range of the vehicle.

Do all of the keyless entry functions operate normally?

Go to Step 15

Go to Step 11

Important: All transmitters which are to be recognized by the remote control door lock receiver (RCDLR) 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 .

Did the locks cycle to lock then unlock?

Go to Step 15

Go to Step 12

1. Disconnect the RCDLR harness connector.
2. Test the Battery Positive voltage circuit for opens or shorts to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
3. Test the Ignition Positive voltage for an open or short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 13

Test the ground circuit for opens. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 15

Go to Step 14

Important: Perform the transmitter programming procedure when replacing the RCDLR

Go to Step 15

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Operate the System to verify the repair.

Did you correct the condition?

System OK

Go to Step 2