Hello again,
What month/year from the door sticker was your vehicle produced? They have different troubleshooting guides for up to 01/03, 0103 - 08/03, and 08/03 and later. I have included a general description of the system in the diagrams down below for you.
Thanks,
Alex
2CarPros
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Monday, July 15th, 2019 AT 8:19 PM