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]Air Intake Actuator Inspection [Full Auto Air Conditioner]
1. Connect battery positive voltage to air intake actuator terminal B (or C),
connect terminal C (or B) to ground, and then verify that the air intake actuator
operates as shown in the table.
If the operation condition is not normal, replace the air intake actuator.
...
Electric Power Steering (Eps) Control Module
Purpose/ Function
The EPS control module (CM) calculates the optimum assist current based on
the steering torque signal from the torque sensor installed to the steering
column and the vehicle speed signal sent via CAN transmission from the PCM.
The EPS CM controls the following ...
Air Intake Control [Full Auto Air Conditioner]
Purpose
The air intake control switches the air intake port (FRESH/REC) according
to the vehicle environment.
Function
The air intake control drives the air intake actuator and switches the air
intake door position according to the operations of the REC, FRESH and defroster ...