Corolla Sedan 4-Door L4-107.5 1762cc 1.8L DOHC (7A-FE) (1995)
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Oxygen Sensor: Component Tests and General Diagnostics
Main Oxygen Sensor
OXYGEN SENSOR INSPECTION
1. WARM UP ENGINE.
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Allow the engine to warm up to normal operating temperature.
2. INSPECT FEEDBACK VOLTAGE.
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Connect the positive (+) probe of a voltmeter to terminal VF1 of the data link connector 1, and negative (-) probe to terminal E1. Carry out the
following test:
