Light Recognition Sensor (G399), Removing and Installing
Light Recognition Sensor (G399), Removing and Installing
Always perform the "replace automatic high beam control module" procedure to read the stored data from the automatic high beam control module (J844) before removing the interior rearview mirror.
The light recognition sensor (G399) for the high beam assist is installed in the mirror base for the interior rearview mirror and cannot be replaced separately. If a failure occurs, the entire interior rearview mirror must be replaced.
Removing
- Remove and install the interior rearview mirror.
Installing
- Install the interior rearview mirror.
- Code the automatic high beam control module (J844) inside the interior rearview mirror after installing a new light recognition sensor (G399). Refer to => [ Automatic High Beam Control Module (J844), Coding ] Automatic High Beam Control Module (J844), Coding.
It is not necessary to calibrate the new light recognition sensor (G399). The system automatically calibrates the control module.