Airflow Meter; Inspection - Mazda MX-5 1990 Workshop Manual

CONTROL SYSTEM
F
AIRFLOW METER
FUEL PUMP SWITCH
05UOFX-206
05UOFX-207
FUEL PUMP SWITCH
Inspection
r - -
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69G04A-177
1. Remove the airflow meter. (Refer to page F-92.)
2. Check the airflow meter body for cracks.
3. Verify that the measuring plate moves smoothly.
4. Disconnect the connector from the airflow meter.
S. Move the measuring plate and check for resistance between
the terminals with an ohmmeter.
Terminal
Resistance (0)
Fully closed
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Fully open
E2~VS
200-600
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20-1,000
E2~VC
200-400
E2~THAA
-20°C ( -4°F) 13,600-18,400
(Intake air thermosensor)
20°C ( 68°F) 2.210- 2,690
60°C (140°F) 493- 667
E1~Fc
00
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0
6. Connect the airflow meter connector after checking.
F-135