Repair Procedures: Inspection
- Check signal waveform of HO2S using a scantool.
Specification: Refer to "WAVE FORM "
- Turn the ignition switch OFF.
- Disconnect the HO2S connector.
- Measure resistance between the HO2S heater terminals 3 and 4.
- Check that the resistance is within the specification.
Specification: Refer to SPECIFICATION Section.