Heated Oxygen Sensor Heaters No. 1 & 2
Turn ignition off. Disconnect Heated Oxygen (HO2S) sensor NO. 1 or 2 pigtail connector. Using an ohmmeter, measure resistance between VB and GND terminals. See Figure . See HO2S HEATER RESISTANCE table. Replace HO2S if resistance is not as specified.
HO2S HEATER RESISTANCE @ 68°F (20°C)
| Application | Ohms | |||
|---|---|---|---|---|
| Esteem | 11.7-15.6 | |||
| Grand Vitara & XL-7 | 5.0-7.0 | |||
| Swift | 11.7-14.3 | |||
| Vitara | ||||
| With Warmup Three-Way Catalyst) (1) | 4.5-5.7 | |||
| Without Warmup Three-Way Catalyst | 11.7-14.3 | |||
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