Trying to figure what plug goes on what coil pack?

Tiny
BILLYBREEZE
  • MEMBER
  • 2005 TOYOTA CAMRY
  • 250,000 MILES
The car listed above has a 2.4 l. Have misfire problems replace the cold packs realize somebody had clipped the harness and I don't know what wire goes on what post on what coil pack.
Tuesday, March 28th, 2023 AT 4:59 PM

1 Reply

Tiny
AL514
  • MECHANIC
  • 4,120 POSTS
Hello, so you need the wiring harness colors to each ignition coil. You have 4 wires to each ignition coil, correct?
The 1st diagram shows each ignition coil and the 4 wires that go to each. The 2nd diagram shows the 12-volt feed to each coil, this is a black wire with a red stripe. The 3rd is the coil ground wires, they are White with a black stripe.

The wire on the coils with the number 3 (labelled IGT) to them will be the only wire that is different on each coil.
Coil #1 it is a red wire with a White stripe,
Coil #2 it is a pink wire,
Coil #3 it is a light green wire with a black stripe,
Coil #4 is a blue wire with a yellow stripe.
This is the command wire coming from the engine computer, it is usually a 0v to 4volt signal.
And last the number 2 on the coil (labelled IGF) is a feedback circuit to the engine computer, verifying that the ignition coil fired.

The 4th diagram shows the Fuse that feeds all the Ignition coils, it will only have power with the Key On. IGN Fuse 15amp.

And the last diagram just shows where each cylinder is in relation to the front of the vehicle. If you have any questions or need help, just ask. Hope this helps.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

https://www.2carpros.com/articles/how-to-check-for-ignition-spark
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Wednesday, March 29th, 2023 AT 12:39 PM

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