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Home >> Lexus >> 2022 >> RX 350L FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Automatic Transmission [U881F] - Diagnostic Codes (1 Of 2)) >> Automatic Transaxle System >> DTC P0745-7F: Pressure Control Solenoid "A" Actuator Stuck Off [12/2017 - 08/2019] >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
ALL

The monitor will run whenever this DTC is not present.
(Not circuit malfunction)
P0717, P07BF, P07C0 (Turbine speed sensor circuit)
P07C1, P07C2, P2767 (Input speed sensor circuit)
P0793, P07C5, P07C6 (Intermediate shaft speed sensor circuit)
P0748 (Shift solenoid valve SL1 circuit)
P0778 (Shift solenoid valve SL2 circuit)
P0798 (Shift solenoid valve SL3 circuit)
P2810 (Shift solenoid valve SL4 circuit)
P2819 (Shift solenoid valve SL5 circuit)
P0973, P0974 (Shift solenoid valve S1 circuit)
P0115, P0117, P0118 (ECT sensor circuit)
P0712, P0713 (ATF temperature sensor circuit (TFT sensor))
P0327, P0328, P032C, P032D, P0332, P0333, P033C, P033D (KCS sensor circuit)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P0604, P0606, P0607, P060A, P060B, P060D, P060E, P0657, P1607, P2102, P2103, P2111, P2112, P2118, P2119, P2135 ((ETCS) Electronic throttle control system)
U0100 (CAN communication system)
NSW switch "D" and "not R" and "not N"
Duration time from shifting "N" to "D" 4 sec. or more
ATF temperature -10°C (14°F) or more
Engine Starting
Fail-safe does not active due to following malfunctions:  
Shift solenoid valve SL1 Not OFF or ON malfunction (P0746)
Shift solenoid valve SL2 Not OFF or ON malfunction (P0776)
Shift solenoid valve SL3 Not OFF or ON malfunction (P0796)
Shift solenoid valve SL4 Not OFF or ON malfunction (P2808)
Shift solenoid valve SL5 Not OFF or ON malfunction (P2817)
Shift solenoid valve S1 Not OFF or ON malfunction (P0751, P0752)
OFF MALFUNCTION (A)

TCM indicated pressure value of SL1 1600 kPa (16.3 kgf/cm2 , 232 psi) or more
TCM selected gear 1st
When either condition below is met: (a), (b), (c) or (d)  
(a) (1.46318 x Output speed - 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO - 0.55327 x NC3) - 0.51283 x NT)
-250 rpm or less
(b) (1.46318 x Output speed - 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO - 0.55327 x NC3) - 0.51283 x NT)
250 rpm or more
(c) (1.46318 x Output speed + 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO + 0.55327 x NC3) - 0.51283 x NT)
-250 rpm or less
(d) (1.46318 x Output speed + 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO + 0.55327 x NC3) - 0.51283 x NT)
250 rpm or more
Calculated load value 7.75% or more
Throttle valve opening angle 2% or more
OFF MALFUNCTION (B)

TCM indicated pressure value of SL1 1600 kPa (16.3 kgf/cm2 , 232 psi) or more
TCM selected gear 2nd
Input speed (NC3) 50 rpm or more
Calculated load value 7.75% or more
Throttle valve opening angle 2% or more
OFF MALFUNCTION (C)

TCM indicated pressure value of SL1 1600 kPa (16.3 kgf/cm2 , 232 psi) or more
TCM selected gear 3rd
Turbine speed / Input speed (NT/NC3) 1.9 or more and 2.0 or less
Calculated load value 7.75% or more
Throttle valve opening angle 2% or more
OFF MALFUNCTION (D)

TCM indicated pressure value of SL1 1600 kPa (16.3 kgf/cm2 , 232 psi) or more
TCM selected gear 4th
Turbine speed / Input speed (NT/NC3) 0.95 or more and 1.05 or less
Calculated load value 7.75% or more
Throttle valve opening angle 2% or more
OFF MALFUNCTION (E)

TCM indicated pressure value of SL1 300 kPa (3.1 kgf/cm2 , 44 psi) or more
TCM selected gear 5th
When either condition below is met: (a), (b), (c) or (d)  
(a) (1.46318 x Output speed - 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO - 0.55327 x NC3) - 0.51283 x NT)
Less than -250 rpm
(b) (1.46318 x Output speed - 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO - 0.55327 x NC3) - 0.51283 x NT)
More than 250 rpm
(c) (1.46318 x Output speed + 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO + 0.55327 x NC3) - 0.51283 x NT)
Less than -250 rpm
(d) (1.46318 x Output speed + 0.55327 x Input speed) - 0.51283 x Turbine speed
((1.46318 x NO + 0.55327 x NC3) - 0.51283 x NT)
More than 250 rpm
Calculated load value 7.75% or more
Throttle valve opening angle 2% or more
OFF MALFUNCTION (F)

TCM selected gear 5th or less
When either condition below is met: (a), (b), (c), (d), (e) or (f)  
(a) Input Torque when TCM selected 1st Specified value
(b) Input Torque when TCM selected 2nd Specified value
(c) Input Torque when TCM selected 3rd Specified value
(d) Input Torque when TCM selected 4th Specified value
(e) Input Torque when TCM selected 5th Specified value
(f) Time after following condition met Less than 0.5 sec.
- Input Torque when TCM selected 1st Specified value
- Input Torque when TCM selected 2nd Specified value
- Input Torque when TCM selected 3rd Specified value
- Input Torque when TCM selected 4th Specified value
- Input Torque when TCM selected 5th Specified value
ON MALFUNCTION (A)

TCM selected gear 6th
Vehicle speed 3 km/h (1.87 mph) or more
Throttle valve opening angle 3% or more at engine speed 1000 rpm
(conditions vary with engine speed)
Calculated load value 7.75% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
ON MALFUNCTION (B)

TCM selected gear 7th
Vehicle speed 3 km/h (1.87 mph) or more
Throttle valve opening angle 3% or more at engine speed 1000 rpm
(conditions vary with engine speed)
Calculated load value 7.75% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
ON MALFUNCTION (C)

TCM selected gear 8th
Vehicle speed 3 km/h (1.87 mph) or more
Throttle valve opening angle 3% or more at engine speed 1000 rpm
(conditions vary with engine speed)
Calculated load value 7.75% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
ON MALFUNCTION (D)

TCM selected gear 6th or more