Mazda RX-8 2004 Service Highlights page 459

Item
ABS (DSC) HU/CM Vehicle speed of 180 km/h or more
detected
Battery voltage Excessive
power
supply
voltage
*1 : Indicator light illuminates only when either malfunction condition is detected two consecutive times.
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AUTO LEVELING CONTROL MODULE CONSTRUCTION/OPERATION
• The auto leveling control module is located in the underside of the blower unit in the dashboard.
• The auto leveling control module verifies changes in vehicle speed and attitude based on signal inputted from
the ABS (DSC) HU/CM, and front and rear auto leveling sensors. The control module then calculates the
optimal direction for the optical axis.
• Based on the calculation of the optical axis adjustment amount, the auto leveling control module controls the
headlight leveling actuator.
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HIGH-MOUNT BRAKE LIGHT CONSTRUCTION
• Installed to the trunk lid with the connecting tabs
and nuts.
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REAR COMBINATION LIGHT CONSTRUCTION
• A step reflector that diffuses and reflects the light of the rear combination light bulbs, has been adopted. A flat,
uncut lens has been adopted to control illumination distribution.
• A round reflector for the rear combination lights has been adopted to improve design.
• Rear side marker lights for the rear combination lights have been adopted to improve marketability.
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LIGHTING SYSTEMS
Test condition
Battery voltage of 18.5 V
or more detected
Fail-safe function Indicator light
Fixes the optical Not illuminated Vehicle speed of
axis angle at the
position where
vehicle speed of 180
km/h or more
detected
Fixes headlights in Illuminated
position where
excessive power
supply voltage was
determined.
HIGH-MOUNT BRAKE LIGHT
BACK-UP
LIGHT BULB
BRAKE LIGHT/
REAR COMBINATION LIGHT
TAILLIGHT BULB
SEC. A—A
Cancel condition
less than 180 km/h
detected
When battery
voltage of 17.5 V or
less is detected, or
ignition switch is
turned off and then
to the ON position
again.
CHU091801052S11
CHU091851580S01
09–18
TAB
TRUNK LID
CHU0918S109
CHU091801052S12
REAR SIDE
MARKER LIGHT
BULB
REAR TURN
LIGHT BULB
CHU0918S108
09–18–9