Purpose
The switch turns on/off in conjunction with the front door key cylinder lock/unlock and the rear body control module (RBCM) detects the key cylinder operation condition by the change in the voltage.
Function
The key cylinder switch contact point changes in conjunction with the front door key cylinder lock/unlock operation.
Construction
Built into the driver's side front door latch and lock actuator.
The front door key cylinder is connected to the front door latch and lock actuator, and the front door key cylinder is rotated to directly switch the key cylinder switch.
When the front door key cylinder is not operated, the key cylinder switch is off (contact point: Open).

Operation
Lock operation
When the key is inserted in the front door key cylinder and it is rotated in the lock direction, the key cylinder switch switches to the lock side, and the lock-side switch turns on (contact point: Closed).
Unlock operation
When the key is inserted in the front door key cylinder and it is rotated in the unlock direction, the key cylinder switch switches to the unlock side, and the unlock-side switch turns on (contact point: Closed).
Fail-safe
Function not equipped.
Front Door Key Cylinder Switch Inspection
StorageMeter Hood Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the upper column cover.
3. Using a phillips screwdriver, remove fasteners.
NOTE:
When pulling up the shaft of fasteners using a phillips screwdriver, the
shaft will not be pulled up if it is rotated by pressing the driver. To pull ...
Windshield Removal
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Windshield wiper arm and blade.
b. Cowl grille.
c. Rain sensor (with auto light/wiper system).
d. Auto-dimming mirror (with auto-dimming mirror).
e. Rearview mirror (without auto-dimming mirror).
f. A-pillar t ...
Add-On Non-Genuine Parts and Accessories
Non-genuine parts and accessories for Mazda vehicles can be found in stores.
These may fit your vehicle, but they are not approved by Mazda for use with Mazda
vehicles. When you install non-genuine parts or accessories, they could affect your
vehicle's performance or safety systems; the Maz ...