3.
Perform "Actuation Test" for HO2S(S2) Heater.
Fig.1) Additive Correction for O2 Sensor Heaters B1S2 Actuation Test
Fig.2) Additive Correction for all O2 Sensor Heaters Actuation Test
Connect GDS to Data Link Connector(DLC).
ENG "RUN"
Perform "Actuation Test" for HO2S(S2) Heater.
Fig.1) Additive Correction for O2 Sensor Heaters B1S2 Actuation Test
Fig.2) Additive Correction for all O2 Sensor Heaters Actuation Test
IG Key "OFF".
Disconnect HO2S(S2) connector.
Measure resistance between Pin No.3(Power) terminal and Pin No.4(Control) terminal of the HO2S(S2) Heater. (Component Side)
Specification : Approx. 9.0Ω(20°C) (68℉)
Does the HO2S(S2) Heater operate properly? (Check variation)
 | ▶ Go to "Verification of Vehicle Repair" procedure. |
 | ▶ Carefully re-do this troubleshooting guide steps. ▶ If problem still occurs, replace HO2S(S2) and then go to "Verification of Vechicle Repair" procedure. |
