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    pragmaticman's Avatar
    pragmaticman Posts: 2, Reputation: 1
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    #1

    May 10, 2007, 08:26 PM
    How do I perform the honda k-test?
    Txgreasemonkey

    Can you walk me through the K-test, there are many circuits I can test for low voltage?
    Do you have an image that can help me test the right one?

    Thank you
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
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    #2

    May 11, 2007, 07:23 AM
    The K-Test: Remove the MAP Sensor connector and turn the ignition switch to ON (not start). Using a multi-meter, check for 5 volts going between the MAP Sensor connector's reference wire (+) and ground. As you look at the connector, this is the socket on the right. Really press the black test lead into a cleaned main ECM ground on the thermostat housing. If the voltage is low, it's probably indicating ECM failure. Most failed ECMs will record a fraction of a volt.
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