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Mazda
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1995
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MX-5 Miata L4-1.8L DOHC
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Oxygen Sensor
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Testing and Inspection
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Heated Oxygen Sensor Heater
Heated Oxygen Sensor Heater
1.
Disconnect the heated oxygen sensor connector.
2.
Measure the resistance between terminals C and D.
Resistance: Approx. 13 Ohms 20 °C ( 68 °F)
3.
Replace the heated oxygen sensor if not as specified.