Automatic Transmission

Transmission Control Module (TCM) Circuit Diagrams

~3min read

TCM Connector and Terminal Function

TCM Terminal Function

Connector [A] Connector [K]
Pin Description Pin Description
A1 Overdrive Clutch Control Solenoid Valve
(OD/C_VFS)
K8 FLEXRAY COMM. Signal HIGH
A5 Torque Converter Control Solenoid
(T/CON_VFS)
K25 FLEXRAY COMM. Signal LOW
A6 Pressure Control Solenoid (VFS-LINE) K59 CAN LOW
A7 2-6 Brake Control Solenoid Valve (26/B_VFS) K60 CAN (LOW)
A8 Inhibitor Switch Signal "S2" K76 CAN HIGH
A9 Sport Mode Down Switch K77 CAN (HIGH)
A10 Sport Mode Up Switch
A22 Underdrive Brake Control Solenoid Valve
(UD/B_VFS)
A26 35R Clutch Control Solenoid Valve
(35R/C_VFS)
A27 Inhibitor Switch Signal "S1"
A30 Sport Mode Select Switch
A43 Solenoid Power 1 (A1, A5, A26, A48)
A44 Solenoid Power 2 (A6, A7, A22, A47)
A45 Ground (Power)
A46 Ground (Power)
A47 On/Off Solenoid Valve (SS-B)
A48 On/Off Solenoid Valve A (SS-A)
A49 Oil Temperature Sensor (-)
A64 VB (Battery Voltage)
A68 Shift Lock Solenoid Control
A70 Inhibitor Switch Signal "S3"
A72 Input Speed Sensor Signal
A73 Output Speed Sensor Power
A85 VB (Battery Voltage)
A91 Transmission Fluid Temperature Sensor (+)
A92 Output Speed Sensor Signal
A93 "S4" Inhibitor Switch Signal
A94 Input Speed Sensor Power

TCM Terminal Input/Output Signal

Pin Description Condition Input/Output Value
Type Level
A1 Overdrive Clutch Control Solenoid Valve
(OD/C_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A5 Torque Converter Control Solenoid Valve
(T/C_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A6 Line Pressure Control Solenoid Valve
(LINE_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A7 Brake 26 Control Solenoid Valve
(26/B_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A8 Inhibitor Switch Signal "S2" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A9 Sport Mode Down Switch Down Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
A10 Sport Mode Up Switch On Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
A22 Underdrive Brake Control Solenoid Valve
(UD/B_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A26 35R Clutch Control Solenoid Valve
(35R/C_VFS)
- Output 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A27 Inhibitor Switch Signal "S1" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A30 Sport Mode Select Switch Sport Mode Input 0 V/Battery Voltage Level
Other 9 V < Battery Voltage Level < 16 V
A43 Solenoid 1 Power
(A1, A5, A26, A48)
Power 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A44 Solenoid 2 Power
(A6, A7, A22, A47)
Power 0 V/Battery Voltage Level
9 V < Battery Voltage Level < 16 V
A47 On/Off Solenoid Valve (SS-B) High Output 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A48 On/Off Solenoid Valve A (SS-A) High Output 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A49 Oil Temperature Sensor (-) - Ground 0 V
A70 Inhibitor Switch Signal "S3" High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A72 Input Speed Sensor Signal High Input 0.7 V/1.4 V
Low
A73 Output Speed Sensor Power ON Power 0 V/7.5 V
OFF
A91 Transmission Fluid Temperature Sensor (+) ON Input 0 V/3.3 V
OFF
A92 Output Speed Sensor Signal High Input 0.7 V/1.4 V
Low
A93 "S4" Inhibitor Switch Signal High Input 0 V/Battery Voltage Level
Low 9 V < Battery Voltage Level < 16 V
A94 Input Speed Sensor Power ON Power 0 V/7.5 V
OFF

Wiring Diagram

[Inhibitor Switch]

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