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Home >> Mazda >> 1995 >> Millenia V6-2496cc 2.5L DOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Testing and Inspection >> With SST-New Generation Star Tester
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With SST-New Generation Star Tester


Using the New Generation Star Tester (NGS)




1. Connect the SST to the data link connector-2.




2. Select the PID/DATA MONITOR AND RECORD function of NGS.
3. Select "HO2SRF", "HO2SRR", "HO2SLF" and "HO2SLR" on the NGS display. NGS measures and shows the voltage.

Specification:




4. If not as specified, inspect following:
- Intake-air system
- Fuel system
- On-Board diagnosis system
If these systems are OK, replace the heated oxygen sensor.

Heater Inspection
1. Disconnect the heated oxygen sensor connectors.







2. Using an ohmmeter, measure the heater resistance between sensor terminals B and C for each sensor.

Specification: Approx. 6 ohms @ 20°C (68°F)

3. If not as specified, replace the heated oxygen sensor(s).
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