Read door lock

NO FOBS DETECTED
Refer to Keyless Entry System Description and Operation

Keyless Entry System Description and Operation - Passive
Passive keyless entry allows entry to a locked vehicle without pressing any buttons on the keyless entry transmitter. You must only have the transmitter with you. This passive system is also part of the vehicle starting system. It allows you to start and run the vehicle having only the transmitter as your key. The passive entry and starting system use low frequency antennas in 4 different areas on the vehicle to determine the location of the transmitter. When passively opening a locked door or the rear compartment lid, you must have a programmed transmitter with you in your pocket, purse, or briefcase. As a customer opens the door handle or presses rear compartment touch pad, the low frequency antenna sends out a challenge to the keyless entry transmitter. The transmitter must be in a one meter range of the door or rear compartment lid in order to receive the challenge. If the challenge is met, the transmitter will respond, allowing the door to be unlocked and opened. Passive entry allows you to operate the following features:
• Passive door unlock/unlatch
• Passive rear compartment lid release
• Illuminated entry lamps
• Vehicle starting
The keyless entry system has the following components:
• Keyless entry transmitters
• LH and RH door antennas (part of the door handle assembly)
• Rear compartment antenna
• Console passive antenna
• Console active antenna
• Instrument Panel Module (IPM)
• Rear Integration Module (RIM)
• Remote Control Door Lock Receiver (RCDLR)
• External RF Antenna (includes coax from RCDLR to back glass)

Remote Control Door Lock Receiver (RCDLR)
The RCDLR is a multi-function module which controls all the vehicles antennas for passive keyless entry functions. The RCDLR also acts as the receiver for active keyless entry and tire pressure monitoring (TPM) functions, as well as controlling all immobilizer functions.
The RCDLR's RF antenna is located in the back glass, and there is a coax cable connecting the glass antenna to the module located in the trunk.

Your best bet , take it to a qualified repair shop that has the factory Tech 2 scan tool or someother professional type scanner that can read • Rear Integration Module (RIM) DTC'S - diagnostic trouble codes .

Won't open with the key ? Do all the other doors lock an unlock ? You have to understand the electronics involved , you have a remote keyless entry module an all switches are an input to the (RKEM) , an from the voltage input it knows what door to open or unlock or lock . First you would need a wiring diagram to test the circuit an you need to pull the inside panel off the rear hatch to get at the motor to see if the power is getting to it. Can be a very time consuming job. Here check out this video ,it's not the same vehicle as yours but it will give you an idea of what's involved . 2008 2012 Ford Escape Liftgate Latch Won Open Access Diagnosis Repair

There are actually three relays , an there are controlled by the BCM - body control module !
When a door lock switch is activated in the lock or unlock position the BCM will receive a voltage signal on either the door lock switch lock or unlock signal circuits.
The BCM, upon receipt of a lock switch lock or unlock signal, will switch the appropriate lock relay control circuits to battery positive voltage. This will energize the appropriate lock or unlock relays. The relay will supply voltage to the door lock actuator lock or unlock control circuits to one side of the lock actuator. Since the opposing side of the lock actuators are connected to ground through the other lock actuator control circuit and the normally closed contacts of the lock or unlock relay, the doors and liftgate will then lock or unlock appropriately.
Three relays are used to operate the locks. DRV DR UNLCK relay, PASS DR UNLOCK and DR LCK relay. This is done to isolate the driver door lock actuator so it can be unlocked by itself using the keyless entry transmitter.
Rear Hatch/Gate Description and Operation
The liftgate can be opened by operating the switch on the instrument panel. Battery voltage is supplied to the liftgate actuator through the body control module (BCM). The BCM will pulse the liftgate actuator when a release input is received through the key fob, or the instrument panel switch.
Door/Lift gate Latch Assembly

1. Install a 20-A fused jumper wire between the control terminal 3 and 12 volts. Install a jumper wire between the ground terminal 2 and ground.
2. Verify the actuator turns on & off.

?‡'
If the function does not perform as specified, replace the applicable door latch.

its suppose to lock and unlock all doors latch may need lubricating or an electrical connection problem if still under warranty bring in an have checked

Not sure about your car, but on my Chrysler mini van the same problem happened. The problem was not the motor but the body control module. The unit had 2 relays, but the BCM actualy controls the unit. To replace the BCM was $450. I bypassed the problem by installing an on/off switch inside the car and activated the motor by by passing the BCM at the relay. That was 3 years ago, still works great. Your BCM may be the problem. Check the schematics of the relays and try doing the same.

If you don't have the manuals, your local library has online access to most service manuals that you would have to pay for. Many time you can get access to them through their website if you have a library card. If not, go the library and get full free access to all the major car service manuals for free!

I assume you are using a keyless entry, in which case - you need to replace the sensor for the rear hatch

Graham

The receiver for the fobs is located in the rear hatch, and it needs to be reprogrammed to the fobs. Try the following procedure;

1. Close all the vehicle doors.
2. Insert the ignition key into the ignition lock cylinder.
3. Press and hold the door unlock switch.
4. While holding the door lock switch in the unlock position, cycle
the ignition ON, OFF, ON, OFF.
5. Release the door unlock switch. The doors will lock and unlock to
confirm the program mode.
6. 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.
7. Repeat the previous step to program up to four transmitters.
8. Turn the ignition switch to the RUN position in order to exit the
keyless entry transmitter mode.
9. Operate the transmitter functions in order to verify correct
system operation.

hi
Chance are the driver side control module is not working.
Open the driver side, inner door panel and check

The keyless entry is designed to work with the doors closed (closed - not locked). If the door ajar sensor thinks the door is open the keyless entry is disabled. When you manually lock the door it might tighten the door just enough to activate the keyless entry. I would try slamming all the doors closed and then see if the keyless entry works. If it still wont work have the wiring checked on the front door lock.