| Circuit Diagram |

Description • Torque converter control solenoid valve is a Variable Force Solenoid (VFS) type. • When TCM supplies variable current to solenoid valve, hydraulic pressure of torque converter clutch is controlled by solenoid valve.
Inspection 1. Turn ignition switch OFF. 2. Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery") 3. Disconnect the solenoid valve connector (A).
Inspection 1. Ignition "ON" 2. Using the scan tool. 3. Emit intensive light toward photo sensor using a lamp, and check the output voltage change. 4. The voltage will rise with higher intensive light and reduce with lower intensive light.
Description 1. The ambient temperature sensor is located at the front of the condenser and detects ambient air temperature. It is a negative type thermistor resistance will increase with lower temperature, and decrease with higher temperatures.