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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission System (UA80F) - Diagnostic Codes (2 Of 2) & Symptom Tests >> Automatic Transaxle System >> DTC P0795-7F: Pressure Control Solenoid "C" Actuator Stuck Off [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

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The monitor will run whenever the following DTCs are not stored P0717, P07BF, P07C0 (Turbine speed sensor circuit)
P0793, P07C5, P07C6 (Intermediate shaft speed sensor circuit)
P0962, P0963 (Solenoid (SL1) valve circuit)
P0966, P0967 (Solenoid (SL2) valve circuit)
P0970, P0971 (Solenoid (SL3) valve circuit)
P2814, P2815 (Solenoid (SL4) valve circuit)
P281D, P281E (Solenoid (SL5) valve circuit)
P08C1, P08C2 (Solenoid (SL6) valve circuit)
P2769, P2770 (Solenoid (SL) valve circuit)
P2763, P2764 (Solenoid (SLU) valve circuit)
P2720, P2721 (Solenoid (SLT) valve circuit)
P0117, P0118 (ECT sensor circuit)
P0335, P0337, P0338 (Crankshaft position sensor circuit)
P0712, P0713 (ATF temperature sensor circuit (TFT sensor))
P0327, P0328, P0332, P0333 (KCS sensor circuit)
P0121, P0122, P0123, P0222, P0223, P0604, P0606, P060A, P060B, P060D, P060E, P061E, P0657, P0658, P2102, P2103, P2111, P2112, P2119, P2135 ((ETCS) Electronic throttle control system)
U0100 (CAN communication system)
Shift position "D", "not R" and "not N"
Elapsed time since shift lever moved from "N" to "D" 4 sec. or more
ATF temperature -10°C (14°F) or more
Engine Starting
Fail-safe function does not operate due to the following malfunctions: -
Solenoid (SL1) valve OFF or ON malfunction (P0746)
Solenoid (SL2) valve OFF or ON malfunction (P0776)
Solenoid (SL3) valve OFF or ON malfunction (P0796)
Solenoid (SL4) valve OFF or ON malfunction (P2808)
Solenoid (SL5) valve OFF or ON malfunction (P2817)
Solenoid (SL6) valve OFF or ON malfunction (P08BB)
Solenoid (SLT) valve OFF malfunction (P2714)
Solenoid (SLU) valve ON malfunction (P2757)
Solenoid (SL) valve ON malfunction (P0741)
All shift solenoids Not being stopped
Neutral command flag Not met
OFF MALFUNCTION (A)

ECM selected gear 7th
Neutral state detected when 3rd gear commanded -
Vehicle stop check Fixed
OFF MALFUNCTION (B)

ECM selected gear 3rd
Neutral state detected when 7th gear commanded -
Vehicle stop check Fixed
ON MALFUNCTION (A)

ECM selected gear 1st
Vehicle speed 2 km/h (1.2 mph) or more and less than 38 km/h (23.6 mph)
Throttle valve opening angle 5% or more at engine speed 2000 rpm
(conditions vary with engine speed)
Calculated load value -
- When A/C off 16% or more
- When A/C on 19% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
Calculated input torque 0.0 N*m (0.0 N*m (0 kgf*cm, 0 ft.*lbf) or more
ON MALFUNCTION (B)

ECM selected gear 2nd
Vehicle speed 2 km/h (1.2 mph) or more
Throttle valve opening angle 5% or more at engine speed 2000 rpm
(conditions vary with engine speed)
Calculated load value -
- When A/C off 16% or more
- When A/C on 19% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
Calculated input torque 0.0 N*m (0.0 N*m (0 kgf*cm, 0 ft.*lbf) or more
ON MALFUNCTION (C)

ECM selected gear 4th
Vehicle speed 2 km/h (1.2 mph) or more
Throttle valve opening angle 5% or more at engine speed 2000 rpm
(conditions vary with engine speed)
Calculated load value -
- When A/C off 16% or more
- When A/C on 19% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
Calculated input torque 0.0 N*m (0.0 N*m (0 kgf*cm, 0 ft.*lbf) or more
ON MALFUNCTION (D)

ECM selected gear 6th
Vehicle speed 2 km/h (1.2 mph) or more
Throttle valve opening angle 5% or more at engine speed 2000 rpm
(conditions vary with engine speed)
Calculated load value -
- When A/C off 16% or more
- When A/C on 19% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
Calculated input torque 0.0 N*m (0.0 N*m (0 kgf*cm, 0 ft.*lbf) or more
ON MALFUNCTION (E)

ECM selected gear 8th
Vehicle speed 2 km/h (1.2 mph) or more
Throttle valve opening angle 5% or more at engine speed 2000 rpm
(conditions vary with engine speed)
Calculated load value -
- When A/C off 16% or more
- When A/C on 19% or more
ECT 40°C (104°F) or more
Spark advance from MAX. retard timing by KCS control 0 °CA or more
Calculated input torque 0.0 N*m (0.0 N*m (0 kgf*cm, 0 ft.*lbf) or more

HINT: 

NEUTRAL STATE FLAG:

Turbine speed - output speed x (ECM selected gear ratio) 1000 rpm or more
NEUTRAL STATE DETECTION:

Neutral state flag ON
  1. Any of the following conditions are met: Condition (a) or (b)
    1. CONDITION (A)

      ECM selected gear 3rd
      Output speed x 5th gear ratio Less than 6500 rpm
      CONDITION (B)

      ECM selected gear 7th
      Turbine speed - output speed x 3rd gear ratio More than 50 rpm
      Output speed x 5th gear ratio Less than 6500 rpm
VEHICLE STOP CHECK:

Vehicle speed Less than 0 km/h (0 mph)
NEUTRAL COMMAND FLAG:

Engine speed 7200 rpm or more
Turbine speed 7200 rpm or more
  1. Any of the following conditions are met: Condition (a) or (b)
    1. Condition (a)
      ECM selected gear 6th or 7th or 8th
      Output speed x 5th gear ratio 7200 rpm or more

      Condition (b)

      ECM selected gear 4th or 5th
      Output speed x 3rd gear ratio 7200 rpm or more
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