nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Diagnostic Trouble Code Tests and Associated Procedures|Page 932 > < Diagnostic Trouble Code Tests and Associated Procedures|Page 930
Page 6
background image

Mass air flow sensor 

1. Turn ignition switch "ON".
2. Start engine and warm it up to normal operating temperature.
3. Check voltage between ECM terminal (54) and ECM terminal (26) (ECM ground).
4. If the voltage is out of specification, disconnect mass air flow sensor harness connector and connect it again. Repeat above check.
5. If NG, remove mass air flow sensor from air duct. Check hot film for damage or dust.

Diagnostic Trouble Code Tests and Associated Procedures|Page 932 > < Diagnostic Trouble Code Tests and Associated Procedures|Page 930