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1.

Connect scan tool with 'DATA LINK CONNECTOR'(DLC).

2.

Turn electric devices and A/C off.

3.

Warm up the engine until 'O2S TEMPERATURE' reaches 780℃.(Approx. for 10 min at normal temperature)

4.

Monitor 'O2S TEMPERATURE' and 'O2S HEATER DUTY' with scan tool.

Specification : "O2S TEMPERATURE" is maintained around 774℃~ 786℃ and "O2S HEATER DUTY" is changeable between 2 ~ 98% at idle.

Fig.1) 'O2S TEMPERATURE' and 'O2S HEATER DUTY' at idle after warming up.

☞ "O2S HEATER DUTY" is controlled by ECM up to 100% with IG key ON, Engine OFF when "O2S TEMPERATURE" is quite lower than 780℃, target temperature.

"O2S TEMPERATURE" increases to 780℃ after starting, "O2S HEATER DUTY" is changeable within 2 ~ 98% in order to keep "O2S TEMPERATURE" within 774℃~ 786℃.