IG Key "OFF".
Disconnect HO2S(S1) connector.
Measure resistance between Pin No. 3(Power) terminal and Pin No. 4(Control) terminal of the HO2S(S1) Heater. (Component Side)
Specification : Approx. 9.0 [20℃(68℉)]
Is the measured Value within specification?
![]() | ▶ Go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ If no problems were found with the circuits or connectors, Replace the HO2S(S2). |