Remote won't lock doors but will unlock them

Tiny
SOLARA STEVE
  • MEMBER
  • 1999 TOYOTA SOLARA
  • 87,000 MILES
Replaced door lock actuator and broke off white nylon ball connector to new actuator. Now doors unlock and lock from inside switch but remote only unlocks doors? How do I replace the plastic ball to cable connector? Is this why remote won't lock door but does unlock the door? Before, driver's side door would not lock but now both do from inside switch. I put a Standard replacement actuator in but must have broken plastic connector to old one.
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Tuesday, January 3rd, 2012 AT 6:14 AM

11 Replies

Tiny
RIVERMIKERAT
  • MEMBER
Ds Actuator?
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Tuesday, January 3rd, 2012 AT 6:32 AM
Tiny
SOLARA STEVE
  • MEMBER
Door lock actuator on driver's side
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Tuesday, January 3rd, 2012 AT 6:38 AM
Tiny
RIVERMIKERAT
  • MEMBER
I've done hundreds of repairs on electric door locks and that doesn't sound familiar. Can you take some pictures for me?
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Tuesday, January 3rd, 2012 AT 7:13 AM
Tiny
SOLARA STEVE
  • MEMBER
This is the old actuator and the nylon connector I found under the car while I was cleaning up. The old actuator was failing on the driver's side. Now the doors open and lock from the inside switch but don't lock, or flash (alarm) with remote. The doors unlock with remote but don't disarm the alarm.
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Tuesday, January 3rd, 2012 AT 8:05 AM
Tiny
RIVERMIKERAT
  • MEMBER
Ok. Typically, if one of the functions works from an alarm, but the other doesn't, usually what's wrong is either a wire has come loose from the relay, the relay has failed, or the wire has broken or come loose from the alarm/controller module.

The button or slider you would actuate to manually lock and unlock the car from the inside, does it move when the doors are remotely unlocked? The piece sitting on the table next to the solenoid looks like the piece that connects to the visible indicator of the door being locked and unlocked.

The other thing that tells me it might be a problem with the alarm control unit is that you said the remote no longer arms/disarms the alarm.

Is it a factory alarm, or aftermarket? Do you know where the control module is located? Are you familiar with the use of a multimeter? And have one? If the alarm is aftermarket, can you decipher make and model? If so, I can most likely get the wiring information for it.
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Tuesday, January 3rd, 2012 AT 8:24 AM
Tiny
SOLARA STEVE
  • MEMBER
It's a factory alarm system. I don't have a multimeter but can get one. I don't know where the control module is located. I am thinking that the nylon ball broke off and is the male connector to the solenoid female cup. The alarm goes (sounds) when
I open the door manually after unlocking with the remote. The remote unlocks the doors but does not lock them. Perhaps I can jury-rig a way to connect what's left of the nylon cable to the actuator (solenoid.)
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Tuesday, January 3rd, 2012 AT 8:32 AM
Tiny
RIVERMIKERAT
  • MEMBER
Location of alarm ECU in image attached. If you can determine where it broke off from, you can use epoxy to fix it. Schematic also attached. Use a meter or test light to verify alarm module output signal for locking the doors and horn output to signify armed alarm. Also verify signal output for disarming the alarm.
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Wednesday, January 4th, 2012 AT 12:51 AM
Tiny
SOLARA STEVE
  • MEMBER
I think I broke the remote control cable at the connection to the solenoid/actuator. A new cable is $4 online and $6 at the local dealer. I ordered it today at the dealer and they'll have it tomorrow. Hooking it up is another matter but a local "auto alarm expert" said he'd do it for $60. I had removed the center console to rig up an iPod cable for my son the for his birthday before Christmas (it's his car) so if necessary, I will see about disconnecting the alarm in there if the cable doesn't fix the problem tomorrow.
Thank you for sending the ECU locations. My son is using the car today and he says that the alarm goes sounds when he unlocks the door and opens it with the key, but that it goes off when he puts the key in the ignition. Thank you for your help.
Steve
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Wednesday, January 4th, 2012 AT 1:12 AM
Tiny
RIVERMIKERAT
  • MEMBER
My pleasure, Steve. Keep me apprised of what you find out.
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Wednesday, January 4th, 2012 AT 1:24 AM
Tiny
2001SOLARA2.2
  • MEMBER
I looked at the picture you posted above. I don't see the location of alarm ECU. What is the name on the picture? Can you please reattach the picture with an indicator on it? (E.G. Red circle)
I am trying to locate it to reset it and program my new keyless remote. Please help. Thank you
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Monday, May 7th, 2012 AT 9:01 AM
Tiny
RIVERMIKERAT
  • MEMBER
The door lock control receiver is in the center of the dash near the AC control unit and the center airbag sensor unit. The theft deterrent system control unit is located under the center console storage area.
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Monday, May 7th, 2012 AT 9:30 PM

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