Air Flow Meter Inspection - Mazda 626 MX-6 Workshop Manual

4A
CONTROL SYSTEM
AIR FLOW METER
Intake air thermo
sensor
Fuel pump switch
4A-96
Potentiometer
Measuring plate
Connector-
Inspection
1. Remove the air flow meter. (Refer to page 4A—32)
2. Check the air flow meter body for cracks.
3. Verify that the measuring plate moves smoothly.
4. Disconnect the connector from the ^ir flow meter.
5. Using an ohmmeter, check resistance between the
terminals with the measuring plate fully closed and
fully open.
6. Connect the connector to the air flow meter after
inspecting.
86U04A-181
Terminal
E2«V
s
E2~V
c
E2«V
b
E2«THA
(Intake air thermo
sensor)
E i~ F c
Note
Refer to page 4A—32 for replacement of the
air flow meter.
86U04A-182
switch
l o o 0 0 0 0 0 1
69G04C-100
Resistance (fl)
Fully open
Fully closed
20-400 20-1,000
100-400
200-400
-20°C (-4°F) 13.6-18.4 kQ
20°C (68°F) 2.21—2.69 kfi
60°C (140°F) 493-667 0
0
O O