| 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.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the photo & auto light sensor. (Refer to Windshield Wiper/Washer - "Rain Sensor") Installation 1. Install the auto light sensor. 2. Connect the negative (-) battery terminal.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the mirror wiring cover (A) and rain sensor cover (B). 3. Remove the LKAS unit connector (A). 4. Remove the LKAS unit after disengaging the mounting bracket (A). Installation 1.