LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX50 AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (Introduction And Basic Inspection) >> System Description >> A/T Control System >> Component Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Description

Name Function
TCM The TCM consists of a microcomputer and connectors for signal input and output and for power supply. The TCM controls the A/T.
Transmission range switch DESCRIPTION
Output speed sensor DESCRIPTION
Input speed sensor 1 DESCRIPTION
Input speed sensor 2
A/T fluid temperature sensor DESCRIPTION
Input clutch solenoid valve DESCRIPTION
Front brake solenoid valve DESCRIPTION
Direct clutch solenoid valve DESCRIPTION
High and low reverse clutch solenoid valve DESCRIPTION
Low brake solenoid valve DESCRIPTION
Anti-interlock solenoid valve DESCRIPTION
2346 brake solenoid valve DESCRIPTION
Torque converter clutch solenoid valve DESCRIPTION
Line pressure solenoid valve DESCRIPTION
Accelerator pedal position sensor DESCRIPTION
Throttle position sensor
Manual mode switch DESCRIPTION
Starter relay DESCRIPTION
A/T CHECK indicator lamp When the ignition switch is pushed to the ON position, the light comes on for 2 seconds.
Stop lamp switch DESCRIPTION
ECM SYSTEM DESCRIPTION
BCM SYSTEM DESCRIPTION
Unified meter and A/C amp. SYSTEM DESCRIPTION
ABS actuator and electric unit (control unit) SYSTEM DESCRIPTION
Wheel sensor DESCRIPTION
Yaw rate/side G sensor DESCRIPTION