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    2004 Nissan/Datsun Maxima 3.5L SFI DOHC 6cyl

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    Coolant Temperature Sensor

    Inspect/Test/Replace

    Because ECT (engine coolant temperature) sensor procedures vary depending upon their location, first locate the part. You may need to partially drain the engine coolant to prevent coolant spillage.

    • Disconnect the negative battery cable.
    • Unplug the ECT.
    • Then, unscrew it.
    • Reverse the removal procedures to install the new part.
    • Connect the negative battery cable to the battery.

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