No power supply

Tiny
SFISO MYENI
  • MEMBER
  • 2001 VOLKSWAGEN GTI
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 300,000 MILES
Hi all, please I need help with my agu golf4 airflow. When I check power on my 4 pin plug none of them has power, but if I start the engine I can read 13 volts but on that same wire if I turn on the engine it shows me it is a negative checking via negative continuity with a multimeter. So my problem is that I don't get a signal from the air flow. I've them I time but still facing same problem. Is possible that positive wire has a fuse? Can someone help with a diagram? Thanks in advance.
Friday, April 9th, 2021 AT 4:30 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Hi,

I would be happy to help with wiring schematics, but I'm not sure which you need. When you discuss airflow, are you referring to the heating and vent system or the mass airflow sensor on the engine? Also, is this a 2001 GTI 1.8T?

Let me know.

Joe
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Friday, April 9th, 2021 AT 8:08 PM

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