Component Inspection

P0743 Torque Converter Clutch Circuit Electrical

Inspection/Repair - Component Inspection

Component Inspection

1. Check Solenoid Valve
(1) Ignition "OFF".
(2) Disconnect "A/T SOLENOID VALVE" connector.
(3) Measure resistance between "TCCSV" terminal and "Power" terminal of the ATM SOLENOID VALVE harness connector.

Specification :Approximately 3.5 ± 0.2 Ohms {25°C (77°F)}








(4) Is resistance within specifications?





2. Check PCM/PCM/TCM
(1) Connect GDS to data link connector (DLC)
(2) Ignition "ON" & Engine "OFF".
(3) Select A/T Solenoid valve Actuator test and Operate Actuator test.
(4) Is Actuator Testing performed normally?










ACTUATOR TEST CONDITION
1. IG SWITCH ON
2. TRANSAXLE RANGE SWITCH is normal
3. P RANGE
4. Vehicle Speed 0 km/h (0 mile)
5. Throttle position sensor < 1 V
6. IDLE SWITCH ON
7. ENGINE RPM 0