Purpose/Function
The down switch detects the shift down operation of the selector lever.
The down switch signal is sent to the TCM via CAN and is used for manual shift control and engine-transaxle integration control.
Construction
The down switch is installed to the selector lever.
The down switch is an on/off type switch.

Operation
When the selector lever is in the shift down position (-), the down switch contact point closes.
Based on the opening and closing of the down switch contact point, the TCM detects that the shift down has been operated.

Down Switch Inspection [Fw6 A EL, Fw6 Ax EL]
Drive Plate Removal/Installation [Fw6 A EL, Fw6 Ax EL]Vanity Mirror Illumination Bulb Removal/Installation
1. Disconnect the negative battery cable..
2. Insert a tape-wrapped flathead screwdriver into the service hole in the position
shown in the figure.
3. Move a flathead screwdriver in the direction of the arrow (1) shown in the
figure and detach the lens tab and sunvisor.
4. Detach a ...
Instrument Cluster Operation Record
Purpose
The instrument cluster operation record stores the record of the illumination
or flashing of the warning light.
Function
The operation record is stored by the instrument cluster and displayed using
the Mazda Modular Diagnostic System (M-MDS).
The instrument ...
Heated Oxygen Sensor (HO2 S) Heater Control
Outline
Based on the control of the HO2S heater, a stabilized oxygen concentration
is detected even at low exhaust temperatures, and feedback control of fuel injection
even at cold engine start is made possible for improved cold temperature exhaust
emission performance.
Both ...