Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections .
Panic Mode Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | With the keyless entry transmitter, attempt to operate the panic function. Do the horns, park lamps, and headlamps all pulse on and off? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 | Do any of the panic functions operate? | Go to Step 4 | Go to Keyless Entry System Inoperative |
| 4 | Do the headlamps flash? | Go to Step 5 | Go to Symptoms - Lighting Systems |
| 5 | Do the park lamps flash? | Go to Horns Inoperative | Go to Symptoms - Lighting Systems |
Panic Mode Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 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 | 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 Diagnostic System Check - Vehicle |
| 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. Turn on the J 43241 Keyless Entry Tester. See Special Tools . Place the transmitter on the J 43241 test pad. See Special Tools . 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 8 | 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 9 | Go to Step 6 |
| 6 | Replace the transmitter battery. Refer to Transmitter Battery Replacement . Did you complete the replacement? | Go to Step 7 | |
| 7 | Turn on the J 43241 . See Special Tools . Place the transmitter on the J 43241 test pad. See Special Tools . 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 8 | Go to Step 9 |
| 8 | Perform the transmitter synchronization procedure. Refer to Transmitter Synchronization . Did the locks cycle to lock then unlock? | Go to Step 12 | Go to Step 10 |
| 9 | Replace the transmitter. Did you complete the replacement? | Go to Step 10 | |
| 10 | Perform the transmitter programming procedure. Refer to Transmitter Programming . Did the locks cycle to lock then unlock? | Go to Step 12 | Go to Step 11 |
| 11 | Replace the passenger door module (PDM). Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 12 | |
| 12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
| 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. |
Keyless Entry System Inoperative
Transmitter Synchronization
- Resynchronization may be necessary due to the security method used by the remote keyless entry system. The transmitter does not send the same signal twice to the passenger door module (PDM).
- The PDM will not respond to a signal that has been sent previously. This prevents anyone from recording and playing back the signal from the transmitter.
- The panic button should still operate normally when the system is out of synchronization.
- Resynchronization may be necessary under the following conditions: The battery in the transmitter is very weak. The battery in the transmitter was replaced. The battery in the vehicle has been in a low or no charge condition for an extended period of time.
- In order to resynchronize the transmitter with the PDM, perform the following steps: Stand within 1.5 meters (5 ft) from the vehicle. Simultaneously press and hold the LOCK and UNLOCK buttons on the transmitter for 7 seconds. The door locks should cycle in order to confirm resynchronization.
Transmitter Programming
| IMPORTANT | Do not operate or program the transmitters in the vicinity of other vehicles that are in the keyless entry program mode. This prevents the programming of the transmitters to the incorrect vehicle. |
There are 3 methods for programming transmitters, which are listed below as methods 1-3. Up to 4 transmitters may be programmed to the passenger door module (PDM). Each programmed transmitter is given a position of #1-#4 in the PDM memory.
Method 1 - No Tools Required, Program All Transmitters
| IMPORTANT | All transmitters which are to be recognized by the PDM must be programmed in a single programming sequence. When using this program method, all previously programmed transmitters will be erased upon the receipt of the programming signal from the first transmitter. The order in which the transmitters are programmed will determine its numbering position within the PDM memory. The first transmitter programmed will be transmitter #1, and the second transmitter programmed will be transmitter #2. The number stamped on the transmitter case is for reference only; #2 can be programmed as #1, or vice versa. Additional unnumbered transmitters are also available. |
- Close all the vehicle doors.
- Insert the ignition key into the ignition lock cylinder.
- Press and hold the door unlock switch.
- While holding the door lock switch in the unlock position, cycle the ignition ON, OFF, ON, OFF.
- Release the door unlock switch. The doors will lock and unlock to confirm the program mode.
- Press and hold the LOCK button and the UNLOCK button simultaneously on one transmitter. After a delay of approximately 15 seconds, the doors will lock and unlock to confirm the programming of that transmitter.
- Repeat the previous step to program up to 4 transmitters.
- Turn the ignition switch to the RUN position in order to exit the keyless entry transmitter programming mode.
- Operate the transmitter functions in order to verify correct system operation.
Press the UNLOCK button once in order to perform the following functions
- Unlock the driver door only.
- Illuminate interior lamps for a predetermined amount of time or until the ignition is turned to the RUN position with a valid key.
- Illuminate the puddle lamps (if equipped) for a predetermined amount of time or until the ignition switch is turned to the RUN position with a valid key.
- Disarm the content theft deterrent (CTD) system (if equipped).
- Deactivate the CTD system when in the Alarm Mode (if equipped).
Lock All Doors
Pressing the lock button will
- Lock all of the doors.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.
- Arm the content theft deterrent (CTD) system (if equipped).
Press the LOCK button again within 3 seconds of the first press in order to perform the following functions
- Chirp the horn.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.
Panic Alarm
| IMPORTANT | On some export vehicles the panic alarm will not reset after a predetermined amount of time. The panic alarm must be manually turned OFF using one of the methods listed below. |
A single press of the transmitter panic button will
- Pulses the horn.
- Illuminates the interior lamps.
- Flash the parking lamps.
- Flash the headlamps.
- Turn the puddle lamps on (if equipped).
All of the above will occur for a predetermined amount of time or until
- The Panic button on the transmitter is pressed again.
- The vehicle is unlocked with the key.
- The ignition switch is turned to the RUN position with a valid key
Keyless Entry Personalization
Personalization of the remote activation verification is only available on select vehicles equipped with either a Driver Information Center or a Secondary Information Center. For mode descriptions and programming instructions, refer to Driver Personalization .
Rolling Code
The keyless entry system uses rolling code technology. Rolling code technology prevents anyone from recording the message sent from the transmitter and using the message in order to gain entry to the vehicle. The term "rolling code" refers to the way that the keyless entry system sends and receives the signals. The transmitter sends the signal in a different order each time. The transmitter and the PDM are synchronized to the appropriate order. If a programmed transmitter sends a signal that is not in the order that the PDM expects, then the transmitter is out of synchronization. This occurs after 256 presses of any transmitter button when it is out of range of the vehicle.