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vwtech0405, VW Technician
Category: VW
Satisfied Customers: 10670
Experience:  VW Master Technician VW Certified
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Its augustine i have 2000 vw jetta 2.0L, a/c clutch not

Customer Question

hi its augustine i have 2000 vw jetta 2.0L
JA: Thanks. Can you give me any more details about your issue?
Customer: a/c clutch not engaging, compressor checked good pressure good
JA: OK got it. Last thing — VW Mechanics generally expect a deposit of about $18 to help with your type of question (you only pay if satisfied). Now I'm going to take you to a page to place a secure deposit with JustAnswer. Don't worry, this chat is saved. After that, we will finish helping you.
Submitted: 1 year ago.
Category: VW
Expert:  vwtech0405 replied 1 year ago.

Do you have power going to the compressor when activating ? And do engine fans come on high speed when Ac is activated ?

Customer: replied 1 year ago.
No power to the compressor or the fan
Replaced hps and fcm
Customer: replied 1 year ago.
fans are good when i power them
clutch engage when i power it
fans only works with the engine temperature
Expert:  vwtech0405 replied 1 year ago.

Did you check the fuses on top of the battery ? The strip fuses and he 3 30amp fuses ?

Customer: replied 1 year ago.
fuses all good
Expert:  vwtech0405 replied 1 year ago.

Check the wiring going to fan control module since you have no power to the fan module that needs to be the next step trace wiring

Customer: replied 1 year ago.
Expert:  vwtech0405 replied 1 year ago.

Do you have access to a wiring diagram ?

Customer: replied 1 year ago.
i have motologic
Expert:  vwtech0405 replied 1 year ago.

Not sure but do they have wiring diagrams there ?

Customer: replied 1 year ago.
hi its me again i checked the wiring for the fcm and i found that
in the 14pin
T14/4 - T14/8 - T14/9 IS 12V
T14/13 WAS 3-5-10V
Expert:  vwtech0405 replied 1 year ago.

This breakdown of the pin out of the fan control module should help you figure out what your missing . I hope this helps.Please dont forget to provide positive feedback for the help provided we as experts rely on this thank you