nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] > < Diagram Information and Instructions|Page 2970
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8. Use pump to apply vacuum of -26.7 kPa (-200 mmHg, -7.87 inHg, -3.87 psi) to absolute pressure sensor as shown in figure and check the output

voltage.

The voltage should be 1.0 to 1.4 V lower than the value measured in step 3. 

CAUTION: Always calibrate the vacuum pump gauge when using it.

9. If NG, replace absolute pressure sensor.

Mass Air Flow Sensor <--> [Air Flow Meter/Sensor] > < Diagram Information and Instructions|Page 2970