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EC-858 [QG (WITHOUT EURO-OBD)] HO2S1 (A/T MODELS) 12. CHECK PCV VALVE Refer to EC-934, "Component Inspection" . OK or NG OK >> GO TO 13. NG >> Replace PCV valve. 13. CHECK HEATED OXYGEN SENSOR 1 Refer to EC-858, "Component Inspection" . OK or NG OK >> GO TO 14. NG >> Replace malfunctioning heated oxygen sensor 1. 14. CHECK INTERMITTENT INCIDENT Refer to EC-644, "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" . >> INSPECTION END Component Inspection EBS00R2G HEATED OXYGEN SENSOR 1 With CONSULT-II 1. Start engine and warm it up to normal operating temperature. 2. Select “MANU TRIG” and adjust “TRIGGER POINT” to 100% in “DATA MONITOR” mode with CONSULT- 3. Select “HO2S1 (B1)/(B2)” and “HO2S1 MNTR (B1)/(B2)”. 4. Hold engine speed at 2,000 rpm under no load during the following steps. 5. Touch “RECORD” on CONSULT-II screen. 6. Check the following. ● “HO2S1 MNTR (B1)/(B2)” in “DATA MONITOR” mode ● “HO2S1 (B1)/(B2)” voltage goes above 0.6V at least once. ● “HO2S1 (B1)/(B2)” voltage goes below 0.3V at least once. ● “HO2S1 (B1)/(B2)” voltage never exceeds 1.0V. SEF646Y SEF647Y |