Component Tests and General Diagnostics

Inspection

1. Check signal waveform of HO2S using a scan tool.

Specification:Refer to "Waveform" Oscilloscope Patterns and Waveforms

2. Disconnect the HO2S connector.
3. Measure resistance between HO2S heater terminals 3 and 4.
4. Check that the resistance is within the specification.

Specification:Refer to "Specification"