Control Circuit Inspection
WARNING: This page is about a different variant/trim than selected.
- Turn "OFF" the ignition switch.
- Disconnect HO2S connector.
- Turn "ON" the ignition switch.
- Measure voltage between control terminal of HO2S (downstream) heater harness connector and chassis ground.
Specification: Approx. 2~3V
- Is voltage within specification?
YES
- Go to next procedure.
NO
- Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.