MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0]

MASS AIR FLOW (MAF) SENSOR INSPECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0]

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Visual Inspection

1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION.)

2. Disconnect the MAF sensor/IAT sensor No.1 connector.

3. Remove the screws. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

4. Remove the MAF sensor/IAT sensor No.1. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

5. Visually inspect the MAF sensor for the following:

• Damage, cracks, dirt

• Rusted sensor terminal

• Bent sensor terminal

― If there is any malfunction, repair or replace the MAF sensor/IAT sensor No.1. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

Voltage Inspection

1. Remove the MAF sensor/IAT sensor No.1 without disconnect the connector. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

2. Connect the M-MDS to the DLC-2.

3. Switch the ignition ON (engine off).

4. As the air gradually approaches the MAF detection part of the MAF sensor/IAT sensor No.1, verify that the MAF sensor output voltage (PID: MAF) varies. (See ON-BOARD DIAGNOSTIC TEST [PCM (SKYACTIV-G 1.5, SKYACTIV-G 2.0)].)

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• If not as verified, replace the MAF sensor/IAT sensor No.1. (See MASS AIR FLOW (MAF) SENSOR/INTAKE AIR TEMPERATURE (IAT) SENSOR NO.1 REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

Specification (Reference)

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