Currently troubleshooting 1999 toyota camry v6 automatic transmission ignition s
1999 Toyota Camry

Currently troubleshooting 1999 Toyota Camry V6 automatic transmission ignition s

(1999 Toyota Camry)
Specific Problems:

a. Opened driver door with key out of ignition (assuming key was in LOCK position)opened door a chiming went off. later realized the key was in ACC position. I tried to depress the key to OFF position, and could not. I am able to turn on car but realized my key can easily come out of ignition when it's on ACC/ON/START while car is on as well -- YIKES

b. while noticing problem a, I attempted to automatically lock the doors (with driver door open) but the locks automatically unlocked immediately.

c. I closed door & manually locked door from outside, the chime DID STOP and the 4 doors DID LOCK after manually locking the driver door from the outside. HOWEVER, I noticed that my CLOCK was ON. Did not think this would be an issue but it ended up draining my battery and im assuming it was the Clock that expedited the battery drainage.

what I tried:

1. Blew compressed air in key hole, cleaned main key asetone

2. replaced tumbler assembly (ignition lock cylinder).
What seems to make the problem better or worse? Ignition Lock Cylinder (Tumbler Assemby) Removed turns off automatic unlock mechanism
How long have you had this problem? 2 weeks
Tags: toyota, camry
2 answers & 6 comments
Popular Answer
on November 10, 2019

1 - The key is worn out - reason it can be removed with lock cylinder in any position.

2 - The shifter safety interlock is not allowing key to be turned all the way to OFF position.

To confirm malfunctioning safety interlock - disconnect battery negative cable - now turn key OFF.
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on November 10, 2019
Ok I will perform this task and follow up tomorrow, and if you see this reply please review the remaining troubleshooting I performed but DID NOT MENTION Due to restrictions on word/letter counts for posts.

thank you again for your fast response !!
on November 10, 2019

Yes - all symptoms concur with the suggested theory.

Follow testing procedure and post results - tomorrow.
on November 11, 2019
Holy moly guacamole, your suggestions worked. I disconnect the ground cable from the battery terminal and was able to fully turn my key counter-clockwise to the OFF position. As a reminder, I am able to drive and shift from P -> D -> R etc etc successfully and drive

follow up question:

Q. What do you recommend me do to solve the malfunctioning safety interlocke ?

(in the meantime I am going to scour the interwebs and all of youtube to find a possible solution)

Thank you again for your assistance and morale booster !!
on November 11, 2019

I’m sure you can find some methods out there but be aware the ignition switch interlock is a safety device - I have witnessed some vehicles that have had this safety device rendered inoperable - which allows the key to be turned to the OFF position and removed from the ignition lock while driving down the road .. Ok that doesn’t seem like a big deal HOWEVER think about this part - the STEERING WHEEL ALSO LOCKS!

Usually this problem originates within the shifter cavity - I recommend attempting to find the source - this requires *hands-on* inspection / evaluation .. A good cleaning may be all that’s needed.

I also realize that turning off the key and removing it while driving down the road isn’t a very likely scenario - but I remember hearing a phrase - if it can happen - it will happen.

Here’s an example > Overactive kid in front seat decides to take the keys - you get my drift..

Good luck with this!
General Diagnosis
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on November 10, 2019

1 - The key is worn out - reason it can be removed with lock cylinder in any position.

2 - The shifter safety interlock is not allowing key to be turned all the way to OFF position.

To confirm malfunctioning safety interlock - disconnect battery negative cable - now turn key OFF.
Sign in to reply
on November 10, 2019
Ok I will perform this task and follow up tomorrow, and if you see this reply please review the remaining troubleshooting I performed but DID NOT MENTION Due to restrictions on word/letter counts for posts.

thank you again for your fast response !!
on November 10, 2019

Yes - all symptoms concur with the suggested theory.

Follow testing procedure and post results - tomorrow.
on November 11, 2019
Holy moly guacamole, your suggestions worked. I disconnect the ground cable from the battery terminal and was able to fully turn my key counter-clockwise to the OFF position. As a reminder, I am able to drive and shift from P -> D -> R etc etc successfully and drive

follow up question:

Q. What do you recommend me do to solve the malfunctioning safety interlocke ?

(in the meantime I am going to scour the interwebs and all of youtube to find a possible solution)

Thank you again for your assistance and morale booster !!
on November 11, 2019

I’m sure you can find some methods out there but be aware the ignition switch interlock is a safety device - I have witnessed some vehicles that have had this safety device rendered inoperable - which allows the key to be turned to the OFF position and removed from the ignition lock while driving down the road .. Ok that doesn’t seem like a big deal HOWEVER think about this part - the STEERING WHEEL ALSO LOCKS!

Usually this problem originates within the shifter cavity - I recommend attempting to find the source - this requires *hands-on* inspection / evaluation .. A good cleaning may be all that’s needed.

I also realize that turning off the key and removing it while driving down the road isn’t a very likely scenario - but I remember hearing a phrase - if it can happen - it will happen.

Here’s an example > Overactive kid in front seat decides to take the keys - you get my drift..

Good luck with this!
on November 10, 2019
Your concern appears to be with the ignition lock. I see you say your replaced your lock cylinder. I'm not sure how your concern would still be present if you have replaced the lock cylinder. The cylinder itself is what prevents removal of the key when in any other position but "LOCK". You could also, I suppose, have an issue in the steering column or with the electrical ignition switch. All of the concerns you share are related to the lock not turning "off" the accessory mode.
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on November 10, 2019
hi well, I could not finish the rest of the post due to a limited (1000) letters, so below I will finish off my post to your reply.
-----------------------------------------------------------------------------------------------------
PS ~ Check Engine Light is On Too if that helps
What I tried so far:

1. Blew compressed air in key hole, cleaned main key with FOB (evidently bent but still works), after poured nail polish remover and quickly inserted into key hole while moving it left and right, and inserting and removing too.

2. removed the ignition lock cylinder/tumbler assembly(not cylinder switch that is behind it/separate module with a black blade like male component protruding out of it, it was dirty or damaged and it looked fine, I noticed the black blade and with some pliers i tested turning the car on (Worked) and turning the car OFF/LOCK (did not move pass ACC)

3. i tried replacing the tumbler assembly with this part (https://www.oreillyauto.com/detail/b/locksmart-4173/ignition---tune-up-16776/ignition-lock-cylinder-assembly-13092/7f728fbed9c8/locksmart-ignition-lock-cylinder/lc63040/4418812/1999/toyota/camry?pos=2) by following this youtube vid (https://youtu.be/YtmdQFBkqwE), and still the same issue except this time, the keys that came with this new Locksmart ignition lock cylinder, could not be removed from the ACC and START/ON position.

Additional Info -- I did realize that when i removed the tumbler assembly, I was able to lock the doors fine even when the driver door was opened (1/2 issue solved, YAY !!)

Anyways, my questions to you are:

1. What in the world is that male black blade like component protruding out of the ignition switch module (im assuming it attaches to the female slit of the tumbler assembly)

2. why is that blade thingy NOT turning with my pliers firmly grasped even when i removed the tumbler assembly?

3. What suggestions or solutions should I try next ?

can you please be as detailed as possible (I am just a layman) because on top of fixing the issue i want to know the science behind why something like this would occur.
on November 10, 2019
Also thank you for your fast response. Is it possible for you to explain further on "issues in the steering column or with the electrical ignition switch. All of the concerns you share are related to the lock not turning "off" the accessory mode" ..

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