P0751

DTC P0751 Shift Solenoid "A" Performance (Shift Solenoid Valve S1)

DESCRIPTION
The ECM uses signals from the vehicle speed sensor and speed sensor NT to detect the actual gear position (1st, 2nd, 3rd or O/D gear).

Then the ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical problems of the shift solenoid valves and the valve body or automatic transaxle (clutch, brake, gear, etc.).

P0751:

MONITOR DESCRIPTION
The ECM commands gear shifts by turning the shift solenoid valves ON/OFF. According to the input shaft revolution, intermediate (counter) shaft revolution and output shaft revolution, the ECM detects the actual gear position (1st, 2nd, 3rd or O/D gear position). When the gear position commanded by the ECM and the actual gear position are not the same, the ECM illuminates the MIL.

MONITOR STRATEGY

MONITOR STRATEGY:

TYPICAL ENABLING CONDITIONS

TYPICAL ENABLING CONDITIONS (PART 1):

TYPICAL ENABLING CONDITIONS (PART 2):

TYPICAL MALFUNCTION THRESHOLDS

TYPICAL MALFUNCTION THRESHOLDS: