COMPONENT DESCRIPTIONS (ELECTRONIC CONTROL)[GF4AX-EL]

id051703100400

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

APP sensor

•  Detects 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 Mazda Modular Diagnostic System (M-MDS) 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

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
	APP sensor	• Detects 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 Mazda Modular Diagnostic System (M-MDS) 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