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COMPONENT DESCRIPTIONS (ELECTRONIC CONTROL) [FN4A-EL]

BME051718880T05

Part name | Function
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Input system | HOLD switch | • Selects driving modes (HOLD) and changes driving patterns.
TR switch | • Detects the selector lever ranges/positions.
TP sensor | • Detects the throttle valve opening angle.
Input/turbine speed sensor | • Detects the forward clutch drum (input) revolution speed.
Oil pressure switch | • Detects the forward clutch pressure.
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.
HOLD indicator light | • By switching HOLD switch, illuminates to indicate that it is in HOLD mode. • Flashes when failure is defected by diagnosis function
Speedometer signal | • Outputs the vehicle speed signal to speedometer