Mazda CX-5 Service & Repair Manual: Rear Window Defroster/Outer Mirror Heater
Outline
-
Fogging is cleared from the rear window and outer mirror glass by heating of the filament.
Structural view
System wiring diagram
Vehicles with full-auto air conditioner system
Vehicles with manual air conditioner system
Construction
Rear window defroster
-
The rear window defroster filament is inside the rear window glass.
Heated outer mirror
-
The heated outer mirror filament is integrated in the outer mirror glass.
Operation
Vehicles with full-auto air conditioner system
1. When the rear window defroster switch on the climate control unit is turned on (1), an ON/OFF control request signal is sent to the front body control module (FBCM) through the instrument cluster as a CAN signal.(2)
2. When the front body control module (FBCM) receives the ON/OFF control request signal, it supplies the battery voltage to the rear window defroster relay.(3)
3. When the battery voltage is supplied to the rear window defroster relay, a switch inside the rear window defroster relay is turned on.(4)
4. When the switch inside the rear window defroster relay is turned on, the battery voltage is supplied to the rear window defroster/heated outer mirrors to operate them.(5)
-
When approx. 15 min.
has elapsed after the rear window defroster switch was turned on, the timer control of the front body control module (FBCM) turns off the rear window defroster relay automatically to turn off the rear window defroster/heated outer mirror.
-
When the rear window defroster switch is pressed while the rear window defroster/heated outer mirrors are operating, they stop operating.
Vehicles with manual air conditioner system
1. When the rear window defroster switch on the climate control unit is turned on (1), a signal is sent from the climate control unit to the front body control module (FBCM) and the battery voltage is supplied to the rear window defroster relay.(2)
2. When the battery voltage is supplied to the rear window defroster relay, a switch inside the rear window defroster relay is turned on.(3)
3. When the switch inside the rear window defroster relay is turned on, the battery voltage is supplied to the rear window defroster/heated outer mirrors to operate them.(4)
-
When approx. 15 min.
has elapsed after the rear window defroster switch was turned on, the timer control of the front body control module (FBCM) turns off the rear window defroster relay automatically to turn off the rear window defroster/heated outer mirror.
-
When the rear window defroster switch is pressed while the rear window defroster/heated outer mirrors are operating, they stop operating.
Fail-safe
-
Function not equipped
Rear Heat Duct Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Decoration panel.
b. Shift lever knob (MTX).
c. Front console box.
d. Shift panel.
e. Upper panel.
f. Rear co ...
A/C
...
Other materials:
Shroud Upper Reinforcement Installation [Panel Replacement]
Symbol Mark
Installation Procedure
1. When installing new parts, measure and adjust the body as necessary to conform
with standard dimensions.
2. Drill holes for the plug welding before installing the new parts.
3. After temporarily installing new parts, make sure the related parts fit p ...
Rear Power Window Regulator Removal/Installation
1. Fully lower the rear door glass.
2. Disconnect the negative battery cable..
3. Remove the following parts:
a. Rear door trim.
b. Rear door quarter glass.
c. Rear door speaker.
d. Rear power window motor.
e. Rear door glass.
4. Remove bolts.
5. Insert a hand through the speak ...
Climate Control Unit Removal/Installation [Full Auto Air Conditioner]
NOTE:
The climate control unit prior to replacement stores the vehicle specification
information.
The new climate control unit does not store any vehicle specification information.
When the ignition is switched ON after the climate control unit is replaced,
the climate ...
