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Open a door . It's suppose to do that . After 10 min. or open a door is what should shut it off . If not ,stuck RAP relay contacts stuck closed . supplying battery voltage all the time . RAP relay - Retained Accessory Power
Relay Controlled RAP
The BCM keeps the RAP relay energized during all power modes, except Off-Awake and Crank. The relay is also energized for approximately 10 minutes after shutting the ignition OFF and removing the key, providing no door is opened.
Relay controlled RAP will end when one of the following conditions is met:
• The BCM receives an input from any door ajar or open switch indicating the opening of any door after the ignition key is out of the ignition.
Important: If the BCM is receiving any door ajar or open signal from those switches when the ignition key is turned OFF, RAP will not initiate.
• The BCM internal timer for the RAP expires after approximately 10 minutes.
• The BCM detects a decrease in battery capacity below a prescribed limit.
Systems powered by the accessory relay during the retained accessory power (RAP) power mode are as follows:
• Power windows
• Sunroof
Driver door switch ,ajar switch . This switch is a input to the BCM - body control module .
Retained Accessory Power Description and Operation
Retained accessory power (RAP) is a vehicle power mode that permits the operation of selected customer convenience items after the ignition switch is turned OFF. These selected items will remain in operation until a passenger compartment door or liftgate is opened or until the RAP function timer reaches its shut-off limit.
The class 2 RAP power mode is mapped to GMLAN serial data circuit as Off Awake power mode. Refer to Data Link Communications Description and Operation for more information on data link communications. The BCM monitors the ignition switch signals, battery condition and the doors status to determine whether RAP should be initiated. The modules that support the RAP power mode will operate the systems under their control as required by their RAP power mode strategy.
RAP will end when one of the following conditions is met:
• The BCM detects the opening of a passenger compartment door.
• The RAP timer expires.
• The battery capacity decreases below a prescribed limit.
• Any other ignition switch state is chosen.
The function supported in the RAP power mode is the operation of the radio.
Could be relay contact's stuck closed allowing power to stay on . Or it could be a BCM - body control module problem .
Retained Accessory Power (RAP)
The retained accessory power (RAP) system allows certain vehicle functions to operate for a specific amount of time after the ignition switch is turned OFF. The body control module (BCM) monitors the ignition switch position, battery condition, and each door ajar switch status to determine whether RAP should be initiated or terminated. RAP is controlled with two different methods; serial data and relay control. Some modules receive a RAP message from the BCM over the serial data circuits. Serial data controlled RAP is deactivated as required by their modules RAP power mode operation. Other subsystems are activated directly by the BCM through a RAP relay. Components and systems that are active in RAP are also activated anytime the ignition is any position other than OFF regardless of the door switch signals.
Relay Controlled RAP
The BCM keeps the RAP relay energized during all power modes, except Off-Awake and Crank. The relay is also energized for approximately 10 minutes after shutting the ignition OFF and removing the key, providing no door is opened.
Relay controlled RAP will end when one of the following conditions is met:
• The BCM receives an input from any door ajar or open switch indicating the opening of any door after the ignition key is out of the ignition.
Important: If the BCM is receiving any door ajar or open signal from those switches when the ignition key is turned OFF, RAP will not initiate.
• The BCM internal timer for the RAP expires after approximately 10 minutes.
• The BCM detects a decrease in battery capacity below a prescribed limit.
Systems powered by the RAP relay during the RAP power mode are as follows:
• A/T shift lock control solenoid assembly (w/ floor shifter)
• Power window circuit breaker
• RAP fuse
• Inside rearview mirror (DD6)
• Sunroof (CF5)
Serial Data Controlled RAP
RAP systems controlled by serial data are as follows:
Radio
Radio RAP activation/termination is the same as relay operation with 1 exception; the only door switch that will turn off the radio during RAP is the driver door open switch.
Vehicle Communication Interface Module (VCIM) (Onstar®)
VCIM RAP activation/termination is the same as radio operation with 1 exception; if there is an active call when the ignition key is turned off the VCIM will remain in RAP mode, and keep the radio in RAP mode until the call is terminated.
Do you know what a DTC - diagnostic trouble code is ?
DTC B1475 00: Retained Accessory Power Circuit
community.cartalk.com/.../radio-stays-on-after-removing-key-from-ignit... Mar 4, 2012 - this just started today and when i turned off my car and removed the keyfrom the ignition, the radio stayed on.
Programming When Key added or replaced. System malfunction. How Driver's door open and key removed from ignition switch. Insert key into ignition switch, then remove it. Within 5 seconds: Insert key into ignition switch, then remove it. Within 40 seconds: Close and open driver's door twice. Insert key into ignition switch, then remove it. Within 40 seconds: Close and open driver's door twice. Insert key into ignition switch. Close driver's door. Switch ignition ON and OFF once to program a new key code whilst retaining the original codes or twice to program a new key code whilst erasing the original codes. Remove key. System should now lock and unlock vehicle, once or twice depending which mode has been selected. Carry out the following button procedure within 40 seconds: Press key lock or unlock button once. Within 3 seconds: Press same key lock or unlock button once. System should now lock and unlock vehicle. NOTE: If system locks and unlocks vehicle twice, programming procedure has not been completed. Repeat button procedure. If required repeat button procedure to program remaining keys. NOTE: To exit programming mode: Open driver's door. NOTE: A maximum of 4 keys can be programmed
This will work providing printed circuit is not damaged in remote
The feature is called "retained accessory power" or RAP for short. The purpose is to allow accessories such as the radio, power windows and blower functions to continue for the drivers convenience after the key is turned to the off position or the key is removed. The RAP feature will remain active for 20 minutes or until the drivers door is open which ever occurs first.
Hope this explains it for you.
Regards,
To carry out this procedure you need to have one working key and one key which requires programming. It may help sometimes to hold the key close to the rear view mirror as this is where the sensor is located in most models. 1. With both keys, get in the car and close all windows and doors. 2. Put working key into the ignition and turn to position 1 (the accessories should turn on) (try also position 2) 3. Turn the key back to position 0 and take the key out of the ignition. 4. Using the working key, hold down the unlock button, press the BMW logo (lock button) 3 times, and release the unlock button. Doors should lock and unlock. 5. With the new key, hold down the unlock button and press the BMW logo (lock button) 3 times and let go of the unlock button. Doors should lock and unlock and you're done!! If not working try the following PREPARATION 1. Close all doors, trunk, hood and sunroof. 2. The security system must be in 'disarm' mode. The key must be removed from the ignition key slot. ENTER CODE LEARNING MODE 3. Open trunk and leave it opened. 4. Open the drivers door and sit in the drivers seat. 5. Close the drivers door. 6. Cycle the ignition switch 5 times between the 'OFF' position and position 2,(ignition 'ON', all dash warning lamps will illuminate). The red status LED will illuminate continuously, and the siren will 'chirp' once, to indicate that the code-learning mode has been initiated. ?Do No start the engine.? The Ignition switch cycling in step #6 must be performed within 10 seconds. The sequence in steps #1-#6 must be performed within 45 seconds. REGISTER/DELETE ID CODE(S) 7. Open drivers door, (remain seated in the drivers seat) 8. Close the drivers door. 9. Press and release any button on the remote you wish to register in the system. The status LED will shut off momentarily to indicate that one code has been registered. 10. Repeat steps 7 thru 9 to register the three ID codes. It is possible for the system to memorize a total of 4 different ID codes. As a new code is initialized into the memory, the oldest code is automatically deleted. If you had lost your remotes and wished to delete the lost remote ID codes from the memory, you could initialize the ID codes from a newly purchased replacement transmitter four times thereby deleting the previous ID codes from the system memory. EXITING CODE - LEARNING MODE: 11. Open drivers door, and exit from the vehicle, leaving the door opened. 12. Close trunk. 13. Close drivers door. The LED will turn off and the siren will 'chirp twice. 14. The initialization procedure is now completed; Test all remotes to confirm operation. If this doent work your alarm/central lock needs to be reset
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