RX400h · Service Manual
ENGINE
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INSPECTION
Inspection
INSPECT AIR FUEL RATIO SENSOR
Using an ohmmeter, measure the resistance between terminals 1 (HT) and 2 (+B).
Standard resistance:
Condition
Specified Condition
20°C (68°F)
1.8 to 3.4 Ω
If the result is not as specified, replace the sensor.
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