Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the spiritual successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la or
lemon-manuals.org.ua
(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)
Or, hide this message:
temporarily or
permanently
Solar Sensor: Testing and Inspection
PHOTO SENSOR CHECK 1.
Connect scan tool MB991958, and check the data list of the photo sensor.
Auto A/C 2.
Check that the displayed value changes when you cover the photo sensor with your hands.