Component Inspection
- Disconnect the battery negative (-) terminal.
- Remove the HO2S connector.
(Refer to "REMOVAL " procedure)
- Measure resistance between HO2S heater terminals.
Bank 1/Sensor 1 : Terminal 4 - Terminal 5
Bank 1/Sensor2 : Terminal 3 - Terminal 4
- Check the resistance is within the specification.
Specification
Bank 1/Sensor 1: 2.8 - 4.5Ω
Bank 1/Sensor 2: 3.3 - 4.1Ω