Will not crank over

TRACY ALLTOP TEAGUE

MEMBER
1996 TOYOTA CAMRY
4 CYL
2WD
AUTOMATIC
310,000 MILES

My car was running completely fine and then my key wouldn't turn past the lock position. So I changed both the key part as well as the electrical part of the ignition switch, but now it won't start. It acts like it wants to but it's not getting a connection somewhere. Is there a fuse, ground wire or something else I need to check?

6 Replies

SCGRANTURISMO

MECHANIC
4,897 POSTS

Hello,

This is almost certainly a problem with your vehicle's immobilizer system. When you change the ignition lock cylinder and keys, the new keys have to be programmed to your vehicle's Power-train Control Module (PCM) or "computer". This can only be done at a locksmith or the dealership. This is intentionally done to keep thieved from making keys and stealing vehicles. Please get back to us with how everything progresses.

Thanks,
Alex
2CarPros

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Thursday, February 25th, 2021 AT 4:00 PM

TRACY ALLTOP TEAGUE

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4 POSTS

My keys don't have chips in them so there is nothing to program. Is there something else that it could be?

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Thursday, February 25th, 2021 AT 4:00 PM

KEN L

MASTER CERTIFIED MECHANIC
43,446 POSTS

If I can jump in here. it sounds like the electrical part of the switch is defective. I would get a replacement. To be sure here is a guide to help you check for power and the ignition switch wiring diagrams to help you confirm the issue:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Check out the diagrams (below). Please let us know what you find.

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