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

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

Up Switch Inspection [Fw6 A EL, Fw6 Ax EL]
ABS Wheel Speed Sensor And ABS Sensor RotorBrake Fluid Level Sensor Inspection
1. Disconnect the brake fluid level sensor connector from the master cylinder.
2. Inspect for continuity according to fluid level between the brake fluid level
sensor terminals.
If not as indicated in the table, replace the reserve tank..
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Steering Abbreviations
AAS
Active Adaptive Shift
ABS
Antilock Brake System
ABDC
After Bottom Dead Center
ACC
Accessories
AFS
Adaptive Front Lighting System
ALC
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Engine Oil Pressure Warning Light
Purpose
The engine oil pressure warning light warns the driver that the engine oil
level is insufficient.
Function
When the instrument cluster receives the engine oil pressure warning light
request signal sent from the PCM via the CAN signal, it illuminates the engine
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