1.2 tdi polo MAF sensor wiring

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CLN1.6TDI FK
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Posts: 30
Registered for: 2 years 9 months
Car Make: VW Cross Polo
Car Model: Cross Polo Mk5 1.6 tdi 77Kw
Location: Eastern Cape

1.2 tdi polo MAF sensor wiring

Post by CLN1.6TDI FK »

Hi Guys
I need some assistance on a 4 pin maf wiring descriptions for a cfwa 1.2 tdi polo. The 4 pins are: Pin 1. Black/Yellow + 12V.
Pin 2. Green ? Is ecu connection T94/39
Pin 3. Violet wire ?
Pin 4. Black wire ? T94/18

Is Pin 2. Green the earth from ecu?
Is the Pin 3. Violet a signal earth and can it be earthed on chassis?
Is Pin 4. Black +5V from ecu.

I looked at the 3 pin maf on a 1.6 tdi, on it pin 1 is green ecu -12V earth, pin 2 black/Yellow +12V and pin 3 black +5V which changes as the rpm changes. Any one have these pinouts?
My Rides.
2008 9N3 Cross Polo 1.9 TDi
143kw 175kw :cool: on wheels.
2013 6R1 Cross Polo 1.6 TDi 77kw

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1995 Golf 3, 2.0l GTI Exec
1995 Jetta 3, 2.0l Exec
1990 Jetta 2, 1.8l CLX
1979 Golf 1, 1.6l GTS
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