| 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. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, substitute with a known-good blower motor and check for proper operation.