Inspect HO2S (B1/S2) Heater Resistance
| Inspection Condition | (+) Probe | (-) Probe | Specification | ||
|---|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | ||
|
HO2S (B1/S2) Heater (component side) | 3 (power) | HO2S (B1/S2) Heater (component side) | 4 (heater) | Approx. 9.0Ω [20°C (68°F)] |
Good
- Go to "VERIFICATION OF REPAIR " procedure.
No Good
- Carefully re-do this troubleshooting guide steps.
- If no problems were found with the circuits or connectors, replace the downstream HO2S (B1/S2) and go to "VERIFICATION OF REPAIR " procedure.