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
StorageFront Door Speaker Inspection
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Inner garnish.
b. Front door trim.
3. Disconnect the front door speaker connector..
4. Verify that the resistance and continuity between the front door speaker terminals
is as indicated in the table.
...
Clutch Pipe And Hose Removal/Installation [C66 M R]
CAUTION:
Do not allow clutch fluid to get on a painted surface. Clutch fluid contains
properties which can dissolve the paint. If clutch fluid gets on a painted surface,
wash it off with water immediately and wipe the area off completely.
1. Disconnect the negative battery cable. ...
Driving In Flooded Area
WARNING
Dry off brakes that have become wet by driving slowly, releasing the accelerator
pedal and lightly applying the brakes several times until the brake performance
returns to normal:
Driving with wet brakes is dangerous. Increased stopping distance or the vehicle
pulling to one side whe ...