October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Check Open In Harness

IG "OFF" and disconnect HO2S (B2/S1) and PCM connector.
Measure resistance between control terminal of HO2S (B2/S1) heater harness connector and heater control terminal of PCM harness connector.
Specification : Approx. below 1Ω
Is the measured resistance within specification ?
YES:
- Go to "COMPONENT INSPECTION " procedure.
NO:
- Repair open in HO2S (B2/S1) heater control circuit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.