COMPONENT DESCRIPTIONS (ELECTRONIC CONTROL)[FN4A-EL]


id051701100400

Part name

Function

Input system
M range switch
•  Selects driving modes (M range) and changes driving patterns.
Up switch
•  Detects shift up request.
Down switch
•  Detects shift down request.
TR switch
•  Detects the selector lever ranges/positions.
TP sensor [Z6]
•  Detects the throttle valve opening angle.
APP sensor [ZY, LF]
•  Detects the accelerator pedal depressing amount.
Input/turbine speed sensor
•  Detects the forward clutch drum (input) revolution speed.
VSS
•  Detects the differential gear case (output) revolution speed.
Brake switch
•  Detects the use of service brake.
TFT sensor
•  Detects the ATF temperature.
ECT sensor
•  Detects the engine coolant temperature.
CKP sensor
•  Detects the engine revolution speed.
MAF sensor
•  Detects the intake air amount.
Output system
Linear type
Pressure control solenoid
•  Adjusts the line pressure.
Duty-cycle type
Shift solenoid A
•  Controls the clutch engagement pressure.
Shift solenoid B
•  Controls the clutch engagement pressure.
Shift solenoid C
•  Controls the clutch engagement pressure.
ON/OFF type
Shift solenoid D
•  Switches the hydraulic passages for bypass valve and 3-4 shift valve.
Shift solenoid E
•  Switches the hydraulic passages for low and reverse shift valve, TCC, and control valve.
AT warning light
•  Illuminates when failure is detected by diagnosis function