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:
Rear Window Defogger
The rear window defogger clears fog from
the rear window.
The ignition must be switched ON to use
the defogger.
Press the switch to turn on the rear
window defogger. The rear window
defogger operates for about 15 minutes
and then turns off automatically.
The indicator light illuminates ...
Antenna Feeder No.4 Removal/Installation
Removal
NOTE:
The antenna feeder No.4 is integrated with the dashboard wiring harness.
1. Refer to DASHBOARD DISASSEMBLY/ASSEMBLY.
Installation
CAUTION:
If the antenna feeder No.4 is installed with tension on the cable and wiring
harness it could result in loosening of t ...
Hazard Warning Switch Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the center panel..
3. Remove in the order indicated in the table.
1
Screw
2
Hazard warning switch
4. Install in the reverse order of removal. ...
