× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: miss cyl 1 and 4
Posted to Technical Discussion Forum on 1/18/2018 1 Reply

[2007 Toyota Corolla CE, Engine/Propulsion Waveform]

The blue CH A is the IGT or the ignition primary coil on time trigger from the pcm to the COP module that is in the COP and that module grounds the primary coil winding.

The pcm determines when and for h... Login to read more.

Files Referenced:

thumbnail

1 Replies Received (View Replies)

 

car Vehicle Data

2007 Toyota Corolla CE 1.8L

Engine1.8 L
Trans4-speed Automatic (Electronic)

car Vehicle Data

2007 Toyota Corolla CE 1.8L

Engine1.8 L
Trans4-speed Automatic (Electronic)