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24 Electrical system
9-5
Load angle sensors
Cars with automatic headlight beam adjustment
are fitted with a front and rear load angle sensor.
The front sensor is fitted between the subframe
and the wishbone and receives information on
the wishbone movement in relation to the
subframe. This information is sent on to the AHL
control module as a pulse width modulated
signal.
The rear sensor is fitted between the subframe
and the lower transverse link and receives
information on the transverse link movement in
relation to the subframe. This information is sent
on to the AHL control module as a pulse width
modulated signal.
The AHL control module governs the angle of the
headlamps using the information provided by the
two load angle sensors.