mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

Heated Oxygen Sensor (HO2S) Inspection|Page 1989 > < Heated Oxygen Sensor (HO2S) Inspection|Page 1987
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor Heater (Front) Inspection

1. Connect the SSTs (NGS tester) to DLC2.
2. Select the PID/DATA MONITOR AND RECORD function of NGS tester.
3. Select "FHO2SH R" and "FHO2SH L" on the NGS tester display. NGS shows the operation.

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If not as specified, inspect following.
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MAF sensor

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CMP sensor

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HO2S

Specification

Specification

Heated Oxygen Sensor (HO2S) Inspection|Page 1989 > < Heated Oxygen Sensor (HO2S) Inspection|Page 1987