| 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.
C
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the head up display bezel (A). 3. Remove the instrument cluster. (Refer to Indicators And Guages - "Instrument Cluster") 4. Remove the head up display unit bracket (A) after loosening the mounting nuts.