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Keyless Entry Does Not Program

Step Action Yes No
1 Did you perform the Diagnostic System Check-Remote Keyless Entry? Go to Step 2  Go to Diagnostic System Check - Remote Keyless Entry 
2 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 
3 Lock and unlock the door locks using the controls inside the vehicle.
Do the locks operate properly?
Go to Step 4  Go to Power Door Locks Inoperative in Doors
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. See Special Tools .
  2. Place the transmitter on the J 43241  test pad. See Special Tools .
  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?. See Special Tools .
Go to Step 9  Go to Step 5 
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 
6 Replace the transmitter battery.
Did you complete the replacement?
Go to Step 7  -
7
  1. Turn the J 43241  ON. See Special Tools .
  2. Place the transmitter on the J 43241  . See Special Tools .
  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?. See Special Tools .
Go to Step 9  Go to Step 8 
8 Replace the transmitter.
Did you complete the replacement?
Go to Step 11  -
9 Perform the synchronization procedure. Refer to Transmitter Synchronization .
Did the locks cycle and the park lamps flash?
Go to Step 10  Go to Step 11 
10 Operate the transmitter within range of the vehicle.
Do all of the remote functions operate normally?
Go to Step 13  Go to Step 11 
11 Perform the programming procedure. Refer to Transmitter Synchronization .
Did the locks cycle to lock then unlock?
Go to Step 13  Go to Step 12 
12
IMPORTANT: When replacing the intelligent switching unit (ISU), perform the programming procedure.
Replace the ISU. Refer to Intelligent Switching Unit Replacement in Body Control System.Did you complete the replacement?
Go to Step 13  -
13 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3