| Circuit Diagram |




Singal Waveform [Sensor 1, 2] [Bank 1 / Sensor 1] [Bank 1 / Sensor 2]
Inspection Wave form 1. Check signal waveform of HO2S using a diagnostic tool. Specification : Refer to "Waveform" Heater Resistance 1.
Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad lower panel (A). (Refer to Body - "Crash Pad Lower Panel") 3. Remove the crash pad lower switch (A).
Replacement 1. If the compressor is marginally operable, run the engine at idle speed, and let the air conditioning work for a few minutes, then shut the engine off. 2. Disconnect the negative (-) battery terminal.