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  • Cars & Trucks Master
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Open the keypads for cleaning. and cleaning with contacts cleaner for dirty, corroded or bad contacts and fix it.
God bless you

Posted on Jul 17, 2013

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Posted on Jan 02, 2017

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Lava keypad not working


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Keypad entry has quit working


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2000 pontiac grand am. Has a high pitched squeal on occasion. It is on the passanger side. Checked serpinten belt and no barrings seem to be bad on pully. Does not effect performance of the car. No check...


take a bar of lava soap and BE CAREFUL use it to clean the belt and pulley groves THIS IS MAJOR DANGEROUS the cars motor must be running touch the inside of the belt for about 10 seconds with the bar of lave pumas soap .OR I WOULD PREFER you bring it to a shop and ask them if they will do the bar of lava soap trick to your surp belt.. bring your own bar let em keep it ... the groves in the pulleys get built up with rubber and will make your belt squeal . the lava soap in most cases will clean the groves .. cool huh.. did i help please leave feedback.. jay

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7/8,9/10 work but1/2-3/4-5/6 will not light up keypad entry-door


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Jan 21, 2010 | 2001 Lincoln Continental

1 Answer

2000 Lincoln Towncar. Keypad on door will not unlock doors. Interior lights do come on. The last two keys pushed simultaneously will occasionally lock the doors. I am using the code printed on a sticker in...


The driver door module (DDM) is connected on the standard corporate protocol (SCP) communication network. The DDM controls many functions including power windows, power door locks and remote keyless entry. The DDM also communicates with the driver seat module (DSM) to control the power mirror and seat memory functions.
Do you know anything about automotive electronic control modules ?
The driver door module (DDM) receives inputs from the digital transmission range (DTR) sensor, ignition switch, seat switch, window/door lock switches, lighting control module (LCM), keyless entry keypad switch and remote transmitter. The DDM outputs consists of keyless entry keypad switch illumination, power door lock actuators, luggage compartment release solenoid, horn relay, and lighting control module (LCM).
Best thing to do would be to have a factory scan tool hooked up to check for DTC'S diagnostic trouble codes . That should be the first step if it's not programming the code.
  • The doors do not lock/unlock using the keyless entry keypad
  • Keypad.
  • Circuitry.
  • Driver door module (DDM).
  • GO to Pinpoint Test L .

PINPOINT TEST L: THE DOORS DO NOT LOCK/UNLOCK USING THE KEYLESS ENTRY KEYPAD CONDITIONS DETAILS/RESULTS/ACTIONS L1 RETRIEVE THE RECORDED RESULTS FROM BOTH CONTINUOUS AND ON DEMAND SELF TESTS Use the recorded DDM DTCs from the Continuous and On Demand self tests.
  • Are any DTCs recorded?
Yes For DTC B1525, GO to L3 .

For all other DDM DTCs, REFER to the DDM Diagnostic Trouble Code (DTC) Index.

No If the door locks are inoperative, GO to L2 .

If the keypad illumination does not operate, GO to L10 .

If the keypad illumination is on continuously, GO to L14 .
L2 CHECK THE DOOR LOCK OPERATION Check the door lock operation by depressing a door lock switch.
  • Do the door locks operate?
Yes GO to L3 .

No GO to Pinpoint Test E . L3 MONITOR THE DDM PID KEY_PAD
Scan tool
Monitor the DDM PID KEY_PAD.
  • Are any of the keyless entry keypad switch numbers present?
Yes GO to L4 .

No GO to L5 . L4 CHECK THE KEYLESS ENTRY KEYPAD SWITCH
Keyless Entry Keypad Switch C525
Monitor the DDM PID KEY_PAD.
  • Are any of the keyless entry keypad switch numbers present?
Yes If 1/2, REPAIR Circuit 78 (LB/YE). TEST the system for normal operation.
If 3/4, REPAIR Circuit 79 (LG/RD). TEST the system for normal operation.
If 5/6, REPAIR Circuit 121 (YE/BK). TEST the system for normal operation.
If 7/8, REPAIR Circuit 122 (YE). TEST the system for normal operation.
If 9/0, REPAIR Circuit 123 (RD). TEST the system for normal operation.

No INSTALL a new keyless entry keypad switch; for additional information, REFER to Keypad-Keyless Entry . L5 CHECK THE KEYLESS ENTRY KEYPAD INPUT WITH THE KEYLESS ENTRY KEYPAD SWITCH Monitor the DDM PID KEY_PAD, while depressing all the keyless entry keypad switches one at a time.
  • Are all the keyless entry keypad switches operating correctly?
Yes GO to L9 .

No GO to L6 . L6 CHECK CIRCUIT 797 (LG/VT) FOR VOLTAGE
Keyless Entry Keypad C525
Measure the voltage between keyless entry keypad C525-7, Circuit 797 (LG/VT), and ground; and between keyless entry keypad C525-8, Circuit 797 (LG/VT), and ground.
  • Are the voltages greater than 10 volts?
Yes GO to L7 .

No REPAIR Circuit 797 (LG/VT). TEST the system for normal operation. L7 CHECK THE KEYLESS ENTRY KEYPAD SWITCH INPUT While monitoring the DDM PID KEY_PAD, momentarily connect a fused (7.5A) jumper wire between positive battery post and keyless entry keypad switch C525 as follows:
    Keypad Button Keyless Keypad Switch C525 Circuit 1/2 Pin 3 78 (LB/YE) 3/4 Pin 4 79 (LG/RD) 5/6 Pin 5 121 (YE/BK) 7/8 Pin 6 122 (YE) 9/0 Pin 1 123 (RD)

  • Are all the keyless entry keypad switch inputs operating correctly?
Yes INSTALL a new keyless entry keypad switch; for additional information, REFER to Keypad-Keyless Entry .

No GO to L8 . L8 CHECK THE KEYLESS ENTRY KEYPAD SWITCH CIRCUITRY FOR AN OPEN
DDM
Measure the resistance between keyless entry keypad switch C525 and DDM as follows:
    Keyless Keypad Switch C525 DDM Circuit Pin 3 C521 Pin 8 78 (LB/YE) Pin 4 C521 Pin 13 79 (LG/RD) Pin 5 C521 Pin 16 121 (YE/BK) Pin 6 C520 Pin 24 122 (YE) Pin 1 C520 Pin 25 123 (RD)

  • Is the resistance less than 5 ohms?
Yes INSTALL a new DDM; for additional information, REFER to Section 419-10 . TEST the system for normal operation.

No REPAIR the circuit in question. TEST the system for normal operation. L9 CHECK THE KEYLESS ENTRY KEYPAD BACKLIGHT Depress a key on the keyless entry keypad.
  • Does the keypad illumination operate correctly?
Yes INSTALL a new DDM. For additional information, REFER to Section 419-10 . TEST the system for normal operation.

No If the keypad illumination does not operate, GO to L10 .

If the keypad illumination is on continuously, GO to L14 . L10 CHECK THE KEYPAD - DDM ACTIVE COMMAND KEYPAD BACKLIGHTING LIGHT ON AND OFF Trigger the DDM active command KEYPAD BACKLIGHTING LIGHT ON and OFF.
  • Does the keypad illumination turn off and on?
Yes INSTALL a new DDM. For additional information, REFER to Section 419-10 . TEST the system for normal operation.

No GO to L11 . L11 CHECK DDM GROUND - JUMPER CIRCUIT 66 (LB) TO GROUND
DDM 522
Connect a fused (7.5A) jumper wire between DDM C522-4, circuit 66 (LB), and ground.
  • Does the keypad illuminate?
Yes INSTALL a new DDM; for additional information, REFER to Section 419-10 . TEST the system for normal operation.

No GO to L12 . L12 CHECK CIRCUIT 51 (BK/W) FOR OPEN
Keyless Entry Keypad C525
Measure the voltage between keyless entry keypad C525-7, circuit 797 (LG/VT), and ground; and between keyless entry keypad C525-8, circuit 797 (LG/VT), and ground.
  • Are the voltages greater than 10 volts?
Yes GO to L13 .

No REPAIR circuit 797 (LG/VT). TEST the system for normal operation. L13 CHECK CIRCUIT 66 (LB) FOR OPEN Measure the resistance between keyless entry keypad C525-2, Circuit 66 (LB), and DDM C522-4, Circuit 66, (LB).
  • Is the resistance less than 5 ohms?
Yes INSTALL a new keyless entry keypad switch; for additional information, REFER to Keypad-Keyless Entry .

No REPAIR Circuit 66 (LB). TEST the system for normal operation. L14 CHECK THE KEYPAD ILLUMINATION - DDM DISCONNECTED
DDM C522

  • Does the keypad illumination turn off?
Yes INSTALL a new DDM; for additional information, REFER to Section 419-10 . TEST the system for normal operation.

No GO to L15 . L15 CHECK KEYLESS ENTRY KEYPAD FOR SHORT TO GROUND
Keyless Entry Keypad C525

  • Does the keypad illumination turn off?
Yes GO to L16 .

No INSTALL a new keyless entry keypad switch. For additional information, REFER to Keypad-Keyless Entry . TEST the system for normal operation. L16 CHECK CIRCUIT 66 (LB) FOR SHORT TO GROUND Measure resistance between DDM C522-4, circuit 66 (LB), and ground.
  • Is resistance greater than 10,000 ohms?
Yes System OK. CLARIFY the concern with the customer.

No REPAIR circuit 66 (LB). TEST the system for normal operation.

Nov 03, 2017 | Lincoln Town Car Cars & Trucks

1 Answer

2003 ford futura programming a new keypad


Adding and Removing remote Keypads to the Smartlock module
------------------------------
Up to four Keypads can be programmed and used with the Smartlock Remote
Central locking system.
If you have replaced the BEM, or new keypads are being added to the
system, you will need to train the keypad codes to the module.
# 1. The ignition switch should be in the Off position, with all the
doors shut and Unlocked.
# 2. Turn the ignition key to the ACCESSORY position and within 5
seconds, operates the rear demister switch exactly three times in quick
succession. (IE. Press the switch so the Demister light turns on, then
off, then back on again.)
# 3. After the 5 seconds is up, the door locks will change state, to
indicate that the BEM has entered keypad learn mode.
NOTE : All existing keypads at this point, have been erased from memory
!
# 4. Press either buttons on the keypad that is to be trained. The door
locks will change state twice, to indicate that the keypad has been
added to the BEM memory.
# 5. Follow step 4. for each keypad that is to be added to the BEM
memory. A maximum of 4 keypads can be added to the BEM memory.NOTE :
You must teach all remote keypads for the Smartlock module, before
proceeding.
# 6. When you have taught all the remote keypads, turn the ignition to
the Off position to leave the learn mode. The door locks will change
state to indicate a return to normal mode.
# 7. Check the function of both buttons on each keypad, to ensure that
the keypad has been trained.

Sep 15, 2008 | Ford Futura Cars & Trucks

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