IG Key "OFF".
Disconnect HO2S(S1) connector.
Measure resistance between Pin No.2(Power) terminal and Pin No.5(Control) terminal of the HO2S(S1) Heater. (Component Side)
Specification : 2.4 ~ 4.0 [20℃(68℉)]
Is the measured voltage within specification ?
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ If no problems were found with the circuits or connectors, Replace the HO2S(S1) |
IG Key "OFF".
Disconnect HO2S(S1) connector.
Measure resistance between Pin No.2(Power) terminal and Pin No.5(Control) terminal of the HO2S(S1) Heater. (Component Side)
Specification : Approx. 9.0 [20℃(68℉)]
Is the measured voltage within specification ?
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ If no problems were found with the circuits or connectors, Replace the HO2S(S1) |