Mazda 3 Service Manual: Horn Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Disconnect the connector.
4. Remove the bolt.
5. Remove the horn.
6. Install in the reverse order of removal.
Horn Inspection
1. Disconnect the negative battery cable..
2. Remove the front bumper..
3. Remove the horn..
4. Apply battery positive voltage and connect the ground as shown in the figure
and verify the horn ...
Other materials:
Oil Pump Removal/Installation [Mzr 2.3 Disi Turbo]
WARNING:
Hot engines and engine oil can cause severe burns. Turn off the engine and
wait until it and the engine oil have cooled.
A vehicle that is lifted but not securely supported on safety stands is dangerous.
It can slip or fall, causing death or serious injury. Never work ...
Drive Belt Auto Tensioner Inspection [Mzr 2.3 Disi Turbo]
1. Remove the aerodynamic under cover No.2 and splash shield as a single unit..
2. Remove the drive belt..
3. Verify that the drive belt auto tensioner moves smoothly in the operational
direction.
Replace the drive belt auto tensioner if necessary..
4. Rotate the drive belt ...
Camshaft Position (CMP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
CAUTION:
When replacing the CMP sensor, make sure there is no foreign material on
it such as metal shavings. If it is installed with foreign material, the sensor
output signal will malfunction resulting from fluctuation in magnetic flux and
cause a deterioration in engine control.
...
