P2759

DTC P2759 Torque Converter Clutch Pressure Control Solenoid Control Circuit Electrical (Shift Solenoid Valve SLU)

DESCRIPTION
The amount of current flow to the solenoid is controlled by the duty ratio* of the ECM output signal. The higher the duty ratio, the higher the lock-up hydraulic pressure becomes during the lock-up operation.





*: The duty ratio is the ratio of the current ON time (A) to the total of the current ON and OFF time (A + B). Duty Ratio (%) = A / (A + B) x 100

P2759:

1. Reference: Inspect using an oscilloscope. Check the waveform of the ECM connector.
OK: Refer to illustration.





MONITOR DESCRIPTION
When an open or short in a shift solenoid valve SLU circuit is detected, the ECM determines that there is a malfunction. The ECM will illuminate the MIL and store this DTC.

MONITOR STRATEGY





TYPICAL ENABLING CONDITIONS





TYPICAL MALFUNCTION THRESHOLDS





COMPONENT OPERATING RANGE

WIRING DIAGRAM:

INSPECTION PROCEDURE

Steps 1-2:

Step 3: