![]() Take a paper clip and straighten it, insert into the BACK of your MAF connector, at the PIN C terminal. The signal wire on your Nissan Altima MAF is PIN C, and this test involves backpinning PIN C with the MAF harness connected. #2017 nissan altima mass air flow sensor problems how toLearning how to measure your Nissan Altima’s MAF signal is very easy and simple to do. This ground is supplied by your Nissan Altima ECU, and if you have ground here, you know that your Altima MAF is receiving power. Now turn the key in the ignition to the “OFF” position, and now you’ll be checking the PIN B for a low reference signal. If you have power at this wire, move onto checking for the low reference ground signal. ![]() This wire should return voltage, if not make sure you have the key inserted into the ignition and turned to the “ON” position. Now probe PIN A, which is the first pin that’s adjacent to the blank slot in your Nissan MAF. With the MAF connector unplugged, put the black lead of your multimeter to the negative post of your battery. The first part of our how to test a Nissan Altima MAF test involves measuring the wiring harness for power and ground. Using a multimeter, you’ll be testing the three wires at this sensor to see what is causing your P0100. To begin our how to test a Nissan Altima MAF to fix the P0100 OBDII DTC trouble code, you will need to locate and disconnect your MAF. There’s also GMC part numbers that work for your Nissan Altima, they are ![]() If you are having a hard time locating a MAF replacement for your KA24DE, check the following interchange part numbers : This 2.4 liter KA24 engine is found in many late model Nissan vehicles, from the Xterra, 240SX and Nissan pickup trucks. The part number for this air flow sensor is 22680-70F00, and as expected there’s quite a few interchange part numbers. These bolts screw onto the air filter housing, but you will not need to remove any of it to test your MAF. ![]() The Mass Air Flow Sensor (MAF) on your 2.4 liter KA24DE equipped Nissan Altima is mounted to the air box by four 10mm bolts. ![]()
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