Mazda 3 Service Manual: Headlight Leveling Actuator Inspection
NOTE:
-
Headlight leveling actuator are integrated with the front combination light.
-
For the actuator inspection of the headlight auto leveling system, perform the headlight leveling actuator operation inspection..
1. Measure the voltage at each terminal is as indicated in the Terminal Voltage Lists.
-
If the voltage is not as specified in the Terminal Voltage Lists, inspect the parts under “Inspection item (s)”.
-
If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, replace the front combination light.
Terminal Voltage List (Reference)
|
Terminal
|
Signal
|
Connection
|
Test condition
|
Voltage (V)/Continuity
|
Action
|
|
|
F |
Headlight leveling actuator signal |
Headlight leveling switch |
Light switch at HEAD position |
Switch position 0 position |
approx. 10.5 |
|
|
Switch position 1 position |
approx. 9.2 |
|||||
|
Switch position 2 position |
approx. 6.2 |
|||||
|
Switch position 3 position |
approx. 4.9 |
|||||
|
I |
Headlight leveling actuator power supply |
Headlight relay (LO) |
Light switch at HEAD position |
B+ |
|
|
|
Light switch at OFF position |
1.0 or less |
|||||
|
L |
GND |
Headlight leveling switch Body ground |
Under any condition |
1.0 or less |
|
|
Headlight Bulb Removal/Installation
Halogen Type
Low-beam
1. Disconnect the negative battery cable..
2. Disconnect the connector.
3. Remove the cover.
4. Remove the adaptor.
5. Remove the headlight bulb (LO).
CAUTION ...
High Mount Brake Light Bulb Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the trunk lid trim..
3. Remove in the order indicated in the table.
1
Connector
2
...
Other materials:
Front Shock Absorber Disposal
1. Place the front shock absorber on a level surface or with the piston pointing
downwards.
2. Drill a 2—3 mm {0.08—0.11 in} hole at the point A shown in the figure
so that the gas can escape.
WARNING:
Whenever drilling into a shock absorber, wear protective eye wear. The gas ...
Vehicle Engine Control Unit Reset Procedure
NOTE
This procedure is intended for vehicles with the engine oil flexible
maintenance setting
selected.
After replacing the engine oil, have a repair shop such as an Authorized
Mazda Dealer
perform the initialization (engine oil data resetting) of the recorded value. If
the value
recorded ...
Side Wall Removal/Installation
1. Pull out the side wall in the direction shown in the direction of the arrow
shown in the figure, then remove the clips.
2. Remove the side wall in the direction of the arrow shown in the figure.
CAUTION:
When remove the side wall, be careful not to damage the guide.
3 ...
