| Circuit Diagram |

Signal Waveform
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the HO2S connector. 3. Measure resistance between the HO2S terminals 1 and 2. 4.
I
Inspection 1. Connect the battery voltage and check the blower motor rotation. 2. If the blower motor does not operate well, replace it with a genuine blower motor check for proper operation. 3. Replace the blower motor if it is proved that there is a problem with it.