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)”.
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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:
Clutch Fluid Leakage Inspection [C66 M R]
CAUTION:
Do not allow clutch fluid get on a painted surface. Clutch fluid contains
properties which can dissolve the paint. If clutch fluid gets on a painted surface,
wash it off with water immediately and wipe the area off completely.
1. Pump the clutch pedal a few times.
2. I ...
Power Outer Mirror Inspection
Mirror Glass Adjustment Motor
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Disconnect the power outer mirror connector.
4. Remove the front door trim..
5. Apply battery positive voltage and connect the ground to the power outer mirror
terminals and inspect t ...
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