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AT-376 [ALL] TORQUE CONVERTER CLUTCH SOLENOID VALVE TORQUE CONVERTER CLUTCH SOLENOID VALVE PFP:31940 Description ECS009BF The torque converter clutch solenoid valve is activated, with the gear 4 ”, by the TCM in response to signals sent from the vehicle speed and throttle position sensors. Lock-up piston operation will CONSULT-II REFERENCE VALUE IN DATA MONITOR MODE Remarks: Specification data are reference values. TCM TERMINALS AND REFERENCE VALUE Remarks: Specification data are reference values. ON BOARD DIAGNOSIS LOGIC SCIA0718E Monitor item Condition Specification Torque converter clutch solenoid valve Lock-up “OFF” ↓ Lock-up “ON” Approximately 4% ↓ Approximately 94% Termi- nal No. Wire color Item Condition Judgement stan- dard (Approx.) 3 GY/R Torque converter When A/T performs lock-up. 8 - 15V When A/T does not perform lock-up. 0V Diagnostic trouble code Malfunction is detected when... Check items (Possible cause) : T/C CLUTCH SOL/V TCM detects an improper voltage drop ● Harness or connectors ● T/C clutch solenoid valve : 7th judgement flicker |