Operation CHARM: Car repair manuals for everyone.

Headlamp: Testing and Inspection






Automatic Headlamp Control and Cornering Lamp, Checking Function

Automatic headlamps, checking => [ Automatic Headlamp Control, Checking ]

Cornering light (static cornering light), checking => [ Static Cornering Lamp, Checking ]

Automatic Headlamp Control, Checking

Automatic headlamps are also called Automatic Headlamp Control.

Vehicle must be in daylight.

Checking in daylight or brightness

- Switch ignition on.

- Turn light switch - 4 - to automatic headlamps position - 2 -.





The headlamps should not come on when it is bright.

Checking at night or in darkness

Ignition is switched on

Light switch is on automatic headlamps

Rain/Light Recognition Sensor -G397- is secured to rearview mirror bracket.





Rain/Light Recognition Sensor -G397- is located in upper center area of front windshield - arrow -.

- Cover area where rearview mirror is secured with hand or suitable object from outside of windshield - arrow -.

The decrease in light is measured and the headlamps are switched on.

- Turn light switch - 4 - to O position - 1 - and switch ignition off.





Static Cornering Lamp, Checking

Vehicle parked, steering wheel in straight ahead position

Vehicles with cornering light can be recognized by an additional reflector - arrow - between the turn signal - 1 - and low beam module - 3 -.





The static cornering light only functions in conjunction with the low beams.

- Switch ignition and low beams on

- Turn steering wheel one turn to the right out of straight position and check in right headlamp whether cornering light bulb comes on.

- Turn steering wheel one turn to the left out of straight position and check in left headlamp whether cornering light bulb comes on.

Cornering light must go out when steering wheel is in straight position.