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.

Control Circuit Inspection

IG "OFF".
Disconnect HO2S (S1) connector.
IG "ON" & ENG "OFF"
Measure voltage between terminal 3 of HO2S (S1) harness connector and chassis ground.
Specification: Approx. 3.5V
Is the measured voltage within specification?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Repair or replace as necessary and then, go to "VERIFICATION OF VEHICLE REPAIR " procedure.