Operation CHARM: Car repair manuals for everyone.

Air Flow Meter Inspection







MEASURE RESISTANCE OF AIR FLOW METER
(a) Disconnect the connector from the air flow meter.







(b) Using an ohmmeter, measure the resistance between each terminal. If not within specification, replace the air flow meter.

REMOVAL OF AIR FLOW METER
1. REMOVE AIR CLEANER CAP WITH AIR FLOW METER
(a) Disconnect the air flow meter connector.
(b) Disconnect the air intake connector.
(c) Remove the air cleaner cap.

2. REMOVE AIR FLOW METER
Release the lock plate calking, and remove the lock plate, four nuts, four washers, air flow meter and gasket.




MEASURE RESISTANCE OF AIR FLOW METER
Using an ohmmeter, measure the resistance between each terminal by moving the measuring plate.




Measuring plate terminals Resistance 11 ohms opening

NOTE: Resistance between Terminals E2 and VS will change in a wave pattern as the measuring plate slowly opens.

INSTALLATION OF AIR FLOW METER
1. INSTALL AIR FLOW METER
(a) Install the gasket, air flow meter, lock plate four washers and four nuts.
(b) Tighten the nuts.
(c) Bend the pawl to stop the nut from turning.

2. INSTALL AIR CLEANER CAP WITH AIR FLOW METER
(a) Install the air cleaner cap.
(b) Connect the air intake connector.
(c) Connect the air flow meter connector.