| 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 Operating Logic Test (Manual only) Inspect the PTC operation by confirmation logic as follows; 1. Entering (1) Set the Floor mode and maximum heating position. (2) Turn off the blower switch.