Ground circuit inspection
| Check Item | Specifications | Prerequisite Condition | Terminal (+) | Terminal (+) |
|---|---|---|---|---|
| Ground Circuit - Resistance | Approx. 0Ω |
|
GND terminal of HO2S (B1/S1) harness | Chassis GND |
- Is resistance within the specification?
YES
- Go to "COMPONENT INSPECTION " procedure
NO
- Repair or replace as necessary and go to "Verification Of 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.