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indy-tech
indy-tech, Import tech
Category: Toyota
Satisfied Customers: 6856
Experience:  Import technician .
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Customer Question

Hi, I change my Toyota avensis car key battery, but only the unlock button is working but not the lock button. Can you help me please, thanks.
Submitted: 3 years ago.
Category: Toyota
Expert:  indy-tech replied 3 years ago.
Hi

Did it work before you replaced the battery .

What year is this car .

Is this an original FOB or an aftermarket system .

Regards Greg
Customer: replied 3 years ago.


No it wasn't working, we had it like this, when we bought the car.


Year 2000


Yes, think so.

Expert:  indy-tech replied 3 years ago.
Hi Nezam .

If the central locking works with the normal car door switch then you most likely you have a problem with the Key FOB itself ,the micro switch in the FOB has most likely
malfunctioned ,if you know of any good TV / Radio tech he could replace the micro switch ,which i have done many times .

Or you will have to order a new one .you could try and reprogram the fob this may help (MAY HELP).

Look in your owners manule and it will explain how to reprogram your remote after replacing the battery .

1. Start with key out of the ignition, drivers door is open all others closed and
drivers door is unlocked.

2. Insert key into ignition (Do not turn) and pull it out.

3. Perform these steps within 40 seconds.
A. Using the power door lock switch on drivers door perform 5 lock/unlock cycles starting
with lock. Use an even pace and try to go about one cycle per second.
(1 cycle = 1 lock and 1 unlock.)
B. Close, then open drivers door.

4. Perform these steps within 40 seconds.
A. Using the power door lock switch on drivers door perform 5 lock/unlock cycles starting
with lock. Use an even pace and try to go about one cycle per second.
(1 cycle = 1 lock and 1 unlock.)
B. Insert the key in the ignition cylinder.
C. Turn the ignition to ON (Do NOT Start) then back to OFF.
D. Turn the ignition to ON (Do NOT Start) then back to OFF.
E. Remove the key from the ignition.

5. Within 3 seconds the power door locks should cycle automatically indicating successful entry
into programming mode. Return to step 1 if the locks do not cycle at this point.

6. Perform these steps within 40 seconds.
A. Press the lock and unlock buttons on the remote simultaneously for 1 second.
B. Immediately after letting go of the lock and unlock buttons,
Press the lock button by itself and hold for 2 seconds. Within 3 seconds the door locks
should cycle once indicating successful programming. If the door locks don't cycle or
cycle twice, repeat steps A and B, your remote has not been accepted.
C. Repeat steps A and B in step 6 for each new transmitter.

7. Close drivers door.

 

If this does not work then get a new FOB.

 

Need further assistance with this issue then please get back to me .

 

Please rate my help a 3 to 5. " If you are not satisfied please don't rate."
We can continue to work or I can opt out .
For further assistance there is no extra charge after accepting .
If I don't reply soon I will as quick as I can as we may be on different time zones

Rgds Greg.


Customer: replied 3 years ago.


This is very complicated, just leave it and refund my money. Thanks.


 

Expert:  indy-tech replied 3 years ago.
Hi Nezam .

Just take your time and follow the instruction, this is not as bad as it looks to do .
I'm sure you could do it .
But as said looks like you need another FOB and some shops can program this with there scan tool in a few minutes .

Regards Greg

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