Component Inspection

P0743 Damper Clutch Control Solenoid Valve : Open or Short (GND)

Inspection/Repair - Component Inspection

Component Inspection

Check Solenoid Valve
1. Ignition "OFF".
2. Disconnect "A/T SOLENOID VALVE" connector
3. Measure resistance between terminal "1" and chassis ground.
A. Specification: Approximately 2.7 - 3.4 Ohms (68°F or 20°C)




4. Is resistance within specifications?
YES
1) Go to "CHECK PCM/TCM" as below
NO
1) Replace TCC SOLENOID VALVE as necessary and go to "Verification Vehicle Repair" procedure
Check PCM/TCM
1. Connect scantool to data link connector (DLC)
2. Ignition "ON" & Engine "OFF".
3. Select A/T Solenoid valve Actuator test and Operate Actuator test.
4. Can you hear operating sound for using "TCC SOLENOID VALVE" Actuator Testing Function?
YES
1) Go to "Verification Vehicle Repair" procedure
NO
1) Replace PCM/TCM as necessary and Go to "Verification Vehicle Repair" procedure

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