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Control box flashes fu5 and locks up all functions any ideas?

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What control box do you ask of .

Posted on Apr 09, 2015

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Where is the Ford 2010 Ford Explorer "Remote Keyless Entry (RKE) module" located


The RKE is controlled by the SJB - smart junction box ! Fords BCM - body control module .
Principles of Operation
Power Locks
The SJB controls the power lock/unlock feature of all of the vehicle doors, including the liftgate, to lock or unlock based on the input received from the door lock control switch, the keyless entry keypad or the remote keyless entry (RKE) transmitter. Power locking and unlocking of the doors function independently of the key position, vehicle speed or transmission position. The smart junction box (SJB) activates internal relays to supply the correct voltage and grounds for the door lock actuators.

Your best bet would be to take to ford dealer or some other qualified repair shop .
Remote Keyless Entry (RKE) Transmitter Lock/Unlock Control - Unlock
The RKE transmitter feature provides lock/unlock functions independently of key position, vehicle speed, or transmission position. The RKE transmitter feature provides a 2-step process for unlocking the doors. Upon receipt of the first request for unlocking the doors, the RKE control feature requests the SJB to unlock the driver door only. If another unlock request is received within 3 seconds of the first, the RKE transmitter feature requests the SJB to unlock all the doors. This feature can be changed to global unlock, so that all the doors unlock on the first press of the unlock button. To toggle between the 2-step unlock and the global unlock press the lock and the unlock button on the RKE transmitter at the same time and hold the buttons for 4 seconds. The turn signal lamps flash to confirm that the feature has been toggled.
Remote Keyless Entry (RKE) Transmitter Lock/Unlock Control - Lock
The RKE transmitter feature requests that all the doors be locked when the lock button is pressed. On any press of the lock button with all doors closed, the SJB provides 1 flash of the parking lamps. If any door is ajar, no flash occurs. As soon as the last door is closed, the SJB provides the flash of the parking lamps. If 2 presses of the lock button are received within 3 seconds, the horn chirps once, and the parking lamps flash twice to indicate that all the doors are closed and locked. If any door is ajar when the second lock request is received within 3 seconds of the first, the RKE transmitter feature requests the SJB chirp the horn twice without flashing the parking lamps to indicate it locked all the doors but 1 or more doors are ajar. When the key is in the ON or START position, the parking lamp flashes and horn chirp confirmations do not occur.

All locks not working ?????
  • The doors do not lock/unlock using the remote keyless entry (RKE) transmitter
  • RKE transmitter battery
  • RKE transmitter
  • RKE transmitter programming
  • Aftermarket system
  • SJB
  • Go To Pinpoint Test H .

Apr 16, 2017 | Ford Cars & Trucks

1 Answer

2000 le sabre, power windows, door locks, side mirrors, not working all of a sudden


All - driver - passenger - front an back ? Look for broken wires inside the rubber boot from the body to the door ,driver side !

Power Windows Operation
Power Windows
The vehicle is equipped with power windows controlled by the door modules. The DDM receives a window switch request, over the SBI serial data, from either the passenger door module wired to the window switch pressed or from the driver door switch assembly. The DDM checks the Class 2 serial data to see if the status information is correct (i.e. ignition switch position) to permit window operation.
If the status information to permit window operation is correct, the DDM sends the command to the door module controlling the window to move the window as requested.
Windows Power and Ground
The windows are powered by discreet power and ground circuits. These circuits are in the same dedicated connector as the window motor drive circuits.

PWR/WDO 30 amp circuit breaker located in the rear fuse box ,DRVMDL fuse 10amp located in the same rear fuse box . This power the driver door module (computer )

The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door. The driver door module (DDM) is the master control for the door lock system but the rear integration module (RIM) contains the program that determines when the lock functions are permitted.
The exterior key cylinders are wired to either the DDM or the passenger door module (PDM), depending on the location of the key cylinder. The interior lock switches are wired to the driver door switch assembly (DDSA) and the PDM. The DDSA and the PDM send the lock switch requests to the DDM over the simple bus interface (SBI) serial data circuit. The DDM then sends the lock requests to the RIM over the Class 2 serial data circuits.
The door lock operation modes are controlled by the rear integration module (RIM). The RIM examines the requested function from the DDM, or the remote function actuator (RFA), as well as the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. The RIM determines if a locking function is permitted, and commands the DDM to perform the function permitted. The DDM then sends commands to the rest of the door modules via the SBI to implement the selected locking function.
All programmable modes of lock system operation are stored in the RIM. The RIM checks the lock function program selected against the lock requests, the transmission selection and ignition key switch condition to determine if the requested function is permitted. If the requested function is permitted, the RIM then commands the DDM to perform the lock function over the Class 2 serial data circuits. The DDM commands the individual door modules to perform the lock function over the SBI serial data circuit.


GOOD luck your going to need it !

Mar 13, 2017 | 2000 Buick LeSabre

1 Answer

I have a jeep patriot 2007 my windows won't go down or up except on the driver's side and on occasions the drivers side window will also not function until hours later. Passengers are unable to control the...


Check the fuse box for the power window relay if there is one. Pull it out and swap it for another one in the fuse box then try your windows. If that fixes it it was jut a relay.

Feb 25, 2015 | Jeep Cars & Trucks

1 Answer

2003 Cadillac STS door and truck lock quit working


I checked all the fuses and relays and all are in good shape???????
Did you check the correct one's ,that's the question ? And did you use a voltmeter or test light to check across the correct fuse's ? And how did you check the relay's ????? Videos on youtube on how to test a relay ! And using a wiring diagram or power flow diagram that shows all componets of the none working systems ., Plus you need to know how the thing's work . Data communication network is involved in the working of these thing's , Data messages from module to module !

The body control system consists of the following 3 modules:
• The Dash Integration Module (DIM)
• The Instrument Panel Module (IPM)
• The Rear Integration Module (RIM)
Rear Integration Module (RIM)
The various RIM inputs and outputs are described in the corresponding functional areas as indicated on the RIM electrical schematics.
The RIM functions include the following:
• Automatic level control
• CIGAR relay control
• Class 2 communication requiring RIM interaction
• Content theft deterrent
• Fuel door control
• Fuel level sensor input
• Heated seat control
• HVAC blower control
• LK/CYL relay control
• Park brake relay control
• Rear defog relay control
• Rear park assist chime control
• Retained accessory power (RAP) relay control
• Reverse relay control
• Transmission shift inhibit
• Trunk release relay control
• Various controls for the interior lamps

Just looking at fuse's and relay's isn't enough ! Hooking up a factory scan tool an checking for DTC'S - diagnostic trouble codes in all the vehicle control modules is always the first step . Which fuse boxes did you check ? Do you know there is a fuse box under the back seat ?
Fuse Block - Rear
Left rear of the passenger compartment, under the rear seat !
The vehicle is equipped with power door locks. Each lock actuator is powered and controlled by the door module mounted in the individual door, but the rear integration module (RIM), which is the master control for the door lock system, determines when the lock functions are permitted. The RIM receives and examines the requested lock function from the individual door modules, or from the remote function actuator (RFA) via the class 2 serial data circuit. The RIM also examines the transmission shift selector position and the ignition switch position information available over the Class 2 serial data circuits. If the RIM determines that a lock or unlock function is permitted, it sends a class 2 message back to the individual door modules commanding them to perform that Lock or Unlock function.
Your best bet , take it to the dealer !

Jun 06, 2017 | 2003 Cadillac Seville STS

1 Answer

My 2002 Buick Rendevous would not start three times, then on the 4th time it started. Now the security and SES light is flashing. The windows won't roll down, radio is locked, door locks won't...


Given the amount of electronic's ( computers ) on your vehicle ,it could be a lot of thing's . Hooking up a factory or professional grade scan tool that can communicate with all the control modules on the vehicle should be the first step in the diagnostic problem . Checking for DTC'S - diagnostic trouble codes , communication between module errors etc.....
Your best bet , take it to a qualified repair shop that has the proper diagnostic equipment to check it out .
The power door lock system consists of the following components:
• Body control module (BCM)
• Driver door lock switch
• Front passenger door lock switch
• Door lock actuators in each of the doors
• Door lock system fuse into the BCM (BCM D 25A fuse)

BCM Functions
The body control module (BCM) is capable of accomplishing multiple body control functions. Components directly connected to the BCM are controlled by the BCM outputs. The BCM can control its outputs based on input information it obtains from sensors and switches that are directly connected to the BCM, or by receiving information from other vehicle systems connected to the class 2 serial data link. The BCM evaluates this information and controls certain body systems by commanding an output on or off.
The BCM is also capable of commanding other vehicle systems to control functions that are not directly wired to and/or controlled by the BCM. The BCM accomplishes this task by sending specific messages on the class 2 serial data link. The vehicle system capable of performing such function will respond to the BCM message.
The BCM controls/monitors the following functions:
• Audible warnings
• Indicators control
• Interior lighting
• Exterior lighting
• Power/automatic door locks
• Keyless entry
• Content theft deterrent
• Personalization
• Serial Power Modes
• Electrical Power Management

Buick Class 2 Operation Diagnosis 1998

Oct 17, 2017 | 2002 Buick Rendezvous

2 Answers

2004 RA 4wd push button. It was selecting 4x by itself. The actuator on the transfer case has been replaced. Operated as it should for some months and fault returned. The dealer mechanic was unable to...


There was a revised Transfer Case Control Module for this lock up condition that affected up to August 2003 built & VIN # MPATFS77H4H510581,possibly your vehicle, part number 8973684490 is the newer revised one. Before replacing module they should have checked the limit switches on side of transfer case, gear box and dont forget the one on the front axle, for loss of continuity. A Dealer (Tech Line) TL0950-0509 is a full updated diagnosis tip flow chart to use. If you want a copy I can E-Mail.

Feb 24, 2011 | Isuzu Rodeo Cars & Trucks

2 Answers

My CRX roof wont go up and down with the switch on the dash, yet the boot lid goes up with the key, cheecked fuses ok, cheecked plug and control box fault LED flashed seven times and then later on flashed...


7 blinks (roof lock switch,not operated by user)
9 blinks (rear window switch not operated by user)
These codes mean user has not undone roof locks or rear window is not fully closed
Providing that is not your problem,reset roof control unit
Turn ignition off
In under bonnet fuse box remove fuse 32 7.5 amp for 20 seconds
Refit fuse and check roof operation
This clears codes and resets roof

Apr 11, 2010 | Honda del Sol Cars & Trucks

1 Answer

Towing a 5x8 trailer with my Jimmy and now it won't start


Is your battery charged if so!!! I would look for the speed control box it is located under the glove box. It is a little white box with a lot of wires in it. this box is with the computer but there are separate box's. It controls everything from shifting to starting to the gauges in your dash You DO NOT have to replace the computer Good Luck

Jul 19, 2009 | 2000 GMC Jimmy

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