COMPONENT DESCRIPTIONS (ELECTRONIC CONTROL) [GF4AX-EL]


BUE051718880N05

Component Part

Function

Input
O/D OFF switch
• Selects/releases O/D off function
TR switch
• Detects range position of selector lever
TFT sensor
• Detects ATF temperature
Input/turbine speed sensor
• Detects turbine shaft speed
ABS wheel-speed sensor
• Detects vehicle speed
TP sensor
• Detects throttle valve opening angle (accelerator opening angle)
CKP sensor
• Detects engine speed
Brake switch
• Detects depressed brake pedal
ECT sensor
• Detects engine coolant temperature
MAF sensor
• Detects intake airflow amount
Input/Output
CAN
• Sends/receives multiple data instantly between WDS and PCM using CAN communication
Output
Shift solenoid A
• Turn on/off according to electrical signals from PCM, switching hydraulic circuits accordingly to perform shifting
Shift solenoid B
Shift solenoid C
TCC control solenoid
• Turns on/off according to electrical signals from PCM to control TCC
3-2 timing solenoid
• Turns on/off according to electrical signals from PCM, switching hydraulic circuits accordingly to control shift timing
Pressure control solenoid
• Turns on/off according to electrical signals (duty signals) from PCM to adjust line pressure to match driving conditions
O/D OFF indicator light
• Illuminates to indicate status of O/D off function as controlled by O/D OFF switch
• Blinks if a malfunction is determined by diagnostic function
CAN
• Outputs DTCs stored in PCM memory