Will not start, there is no power to ignition coil?

Tiny
LARRYLOBB
  • MEMBER
  • 2004 DODGE CARAVAN
  • 3.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 12,000 MILES
Will not start. No power to coil. Changed crank shaft and camshaft sensors. Changed all relays.
Sunday, September 25th, 2022 AT 9:25 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
First, I would check fuse #16 for power in the TIPM here is a guide to help you, if the fuse is good and has power check the ASD (auto shut down) relay which is also in the TIPM.

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

Here is the fuse and relay location in the images below and I have included the ignition coil wiring diagram so you can see how the system works.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

With the key on if the fuse does not have power the TIPM is bad, which is common on these cars. They are easy to replace because they are self-learned. Check out the images (below). Please let us know what you find. We are interested to see what it is.
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Monday, September 26th, 2022 AT 9:49 AM

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