Mazda 3 Service Manual: 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 beeper sound operation.
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If the beep sound cannot be verified, replace the horn.
Horn
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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. ...
Other materials:
EGR Valve Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the EGR valve connector.
4. Measure the resistance between the EGR valve terminals.
EGR valve terminal
Resistance inspection (ohm)
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Aerodynamic Under Cover No.1 Removal/Installation
1. Remove the aerodynamic under cover No.2..
2. Peel off the front mudguard..
3. Remove the bolts and fastener.
4. Remove the aerodynamic under cover No.1 in the direction of the arrow shown
in the figure.
CAUTION:
Be careful not to damage the aerodynamic under cover No.1 durin ...
Liftgate Adjustment
1. Measure the gap and height difference between the liftgate and the body.
2. Loosen the liftgate hinge installation bolts and adjust the gap by moving
the liftgate.
Standard clearance
a: 5.0―7.0 mm {0.20―0.27 in}
b: -2.0―0 mm {-0.078―0 in}
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