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Mazda CX-5 Service & Repair Manual: Headlight Leveling Actuator

Purpose, Function

Construction


Operation

1. When the ignition is switched on (engine on or off), the auto leveling sensor inputs a vehicle height signal to the AFS control module.

2. When the headlights (LO) turn on, the AFS control module calculates the amount of change in vehicle height * based on the vehicle height signal.

3. If the operation conditions are met, the AFS control module calculates a target optical axis based on the calculated change in vehicle height *. For details on the operation conditions, refer to the headlight auto leveling system..

4. The AFS control module outputs the calculated target optical axis signal to the headlight leveling actuator.

5. The headlight leveling actuator drives the motor based on the input target optical axis.

6. When the motor is driven, the shaft moves back and forth and the reflector shifts to move the optical axis.


* The amount of change in vehicle height is the calculated 1 s average value of the detected vehicle body angle which the AFS control module detects every 0.1 s.

Fail-safe

Headlight High Beam Indicator Light
Purpose Notifies the user that the headlights (HI) are illuminated. Function Illuminates when the headlight (HI) or parking illumination conditions are met. Construction ...

High Mount Brake Light
Purpose The high-mount brake light signals vehicles to the rear that the vehicle is stopped. Function The high-mount brake light illuminates in conjunction with the operation ...

Other materials:

General Procedures (Front And Rear Axles)
Wheel and Tire Installation 1. When installing the wheels and tires, tighten the wheel nuts in a criss-cross pattern to the following tightening torque. Tightening torque 108—147 N·m {12—14 kgf·m, 80—108 ft·lbf} Suspension Links Removal/Installation 1. For the joint ...

Crankshaft Position (CKP) Sensor Removal/Installation
CAUTION: When foreign material such as an iron chip is on the CKP sensor, it can cause abnormal output from the sensor because of flux turbulence and adversely affect the engine control. Be sure there is no foreign material on the CKP sensor when replacing. Do not assemble t ...

Clock Removal/Installation
1. Disconnect the negative battery cable.. 2. Remove the following parts: a. Shift lever knob (MTX). b. Front console box. c. Shift panel. d. Upper panel. e. Rear console. f. Side wall. g. Decoration panel. h. Front console. i. Glove compartment. j. Climate control unit. 3. P ...

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