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.

If the beep sound cannot be verified, replace the horn.
Horn
Horn Removal/InstallationNo.27 Fuel Refill Concerns [Mzr 2.0, Mzr 2.5]
27
FUEL REFILL CONCERNS
DESCRIPTION
Fuel tank does not fill smoothly.
POSSIBLE CAUSE
PCM DTC is stored
Nonreturn valve malfunction
Improper use of fuel ...
Lane Departure Warning System (LDWS)
The LDWS notifies the driver that the vehicle may be deviating from its
lane.
The system detects the white or yellow lines on the traffic lane using the
Forward Sensing
Camera (FSC). If it determines that the vehicle may be deviating from its lane,
it notifies
the driver by flashing the L ...
Neutral Switch Removal/Installation [G35 M R]
1. Remove the battery cover..
2. Disconnect the negative battery cable.
3. Remove the battery component. (ex: battery, battery tray and PCM component)(See
BATTERY REMOVAL/INSTALLATION [MZR 2.0, MZR 2.5].)
4. Remove the aerodynamic under cover No.2..
5. Drain the oil from the transaxle..
...