Check resistance

WARNING: This page is about a different variant/trim than selected.

IG "OFF". Disconnect HO2S connector.
Measure resistance between both ends of signal terminal of HO2S (B2/S2) harness.
Specification: Approx. 0Ω
Is resistance within the specification?
YES
- Go to "GROUND CIRCUIT INSPECTION " procedure.
NO
- Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NOTE: HO2S must have a clean air reference to function properly. The air is obtained by way of the sensor wire(s). Do not attempt to repair the wire(s), connector, or the terminals.