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Thread: MAF Wiring/Numbering

  1. #1
    Join Date
    Feb 2004
    Location
    St. Louis
    Posts
    85

    Default MAF Wiring/Numbering

    Searched, but could not find....

    My MAF appears to be inop (visual burn off test failed), so I need to check the voltage. I have a 4 pin connector. The wires are colored:

    Brown with Orange stripe
    Grey w/ Yellow Stripe
    Red w/ White Stripe
    Black

    Does anyone know which wire is associated with pin number as referenced in the Bentley manual.

    I need to test Pins 1 and 4 for burn-off voltage, and then pins 2 and 4 for voltage test.

    Thanks!

    L.

    1995 525iA 200,000 Miles

  2. #2
    Join Date
    Apr 2006
    Location
    Chicago, Il. U.S.A.
    Posts
    4,243

    Default

    You have them listed in numerical order, bn/oe is #1 etc. Pretty sure the connector is maked too.
    "The gas pedal wouldn't go to the floor if it weren't meant to be there"

  3. #3
    Join Date
    Feb 2004
    Location
    St. Louis
    Posts
    85

    Default

    Quote Originally Posted by Ross View Post
    You have them listed in numerical order, bn/oe is #1 etc. Pretty sure the connector is maked too.
    Thanks for the quick response!!

    I looked more carefully at the connector, and you are correct! There are some very small numbers there to id the wires.

    I see in the Bentley manual that there are 6 wires on their connector. I have four. Do I still test wires 1 and 4?

    I am not getting any burn off voltage across 1 and 4 at his time.

    L.

    1995 525iA 200,000 Miles

  4. #4
    Join Date
    Feb 2004
    Location
    St. Louis
    Posts
    85

    Default

    Quote Originally Posted by Luftpost View Post
    I see in the Bentley manual that there are 6 wires on their connector. I have four. Do I still test wires 1 and 4?

    I am not getting any burn off voltage across 1 and 4 at his time.

    L.
    Anybody with any advice on how to test the four pin connector?? Anybody....?

    1995 525iA 200,000 Miles

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