MAF wiring diagram?

Tiny
YAZIDAN
  • MEMBER
  • 2004 TOYOTA COROLLA
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 241,000 MILES
I would like to get a wiring diagram to check the MAF ground hot and signal. The MAF reads low at idle 1.35g/s.
Wednesday, January 3rd, 2024 AT 6:49 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It could just be the MAF needs to be replaced, but there are the wiring diagrams for the MAF sensor and PCM/Engine. This guide can help you with the testing as well:

https://www.2carpros.com/articles/how-to-check-wiring

Check out the images (below). Let us know how it goes.
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Thursday, January 4th, 2024 AT 10:32 AM

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