PRECAUTION PRECAUTION FOR BULB REPLACEMENT (a) Always prepare a new bulb for immediate replacement. While replacing a bulb, the lens may attract dust and moisture if removed from the vehicle for a long time. (b) Always replace a bulb with another bulb of the same wattage. (c) If only replacing the bulb on one side, differences in brightness and lighting color between the right and left sides may occur. (d) Securely install the socket after bulb replacement. The lens may become cloudy or the light cavity may fill with water through gaps around the socket if the socket is not installed securely. HANDLING PRECAUTIONS FOR FORWARD RECOGNITION CAMERA (w/ Automatic High Beam System) (a) The automatic high beam system uses the forward recognition camera. For precautions related to the forward recognition camera, refer to Precaution for Forward Recognition Camera System. Click here |
Toyota Tundra Service Manual > Lighting System: Automatic High Beam Camera (B124C)
DESCRIPTION The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area B124C Automatic High Beam Camera Malfunction in forw ...