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Home >> Toyota >> 2023 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 146 (Automatic Transaxle System (UB80F) - Diagnostic Codes (2 Of 3)) >> Automatic Transaxle System >> DTC P0740-7E: Torque Converter Clutch Actuator Stuck On [11/2018 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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

The monitor will run whenever the following DTCs are not stored P0712, P0713 (TFT (ATF temperature) sensor circuit)
P0117, P0118 (ECT (Engine coolant temperature) sensor circuit)
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)
P2763, P2764 (Solenoid (SLU) valve circuit)
P2720, P2721 (Solenoid (SLT) valve circuit)
P2769, P2770 (Solenoid (SL) valve circuit)
P0335, P0337, P0338 (Crankshaft position sensor circuit)
P0327, P0328, P0332, P0333 (KCS (Knock control 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 seconds or more
Time after engine start More than 1 second at transmission fluid temperature 90°C (194°F)
(Conditions vary with transmission fluid temperature)
TFT (ATF temperature) -10°C (14°F) or higher
Battery low voltage guard flag OFF
Write inhibit low voltage guard flag OFF
Ignition switch low voltage guard flag OFF
ON MALFUNCTION (A)

Fail-safe function does not operate due to the following malfunctions: -
Solenoid (SLT) valve ON malfunction (P2714)
Solenoid (SLU) valve OFF or ON malfunction (P2757)
Solenoid (SL) valve ON malfunction (P0741)
ECT (Engine coolant temperature) 40°C (104°F) or higher
Spark advance from Max. retard timing by KCS control 0°CA or more
ECM selected gear Actual gear
Vehicle speed 10 km/h (6.2 mph) or more
ECM commanded solenoid (SL) valve state OFF
ECM commanded pressure value using solenoid (SLU) valve
(3 seconds or more)		 -
- when A/C off 444 kPa (4.5 kgf/cm 2 , 64 psi) or higher
- when A/C on 444 kPa (4.5 kgf/cm 2 , 64 psi) or higher
ON MALFUNCTION (B)

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 solenoid Not being stopped
Neutral command flag Not met
Vehicle stop check Fixed
ECM selected gear 3rd, 4th, 6th or 7th
ON MALFUNCTION (C)

ECM selected gear 3rd, 4th, 6th or 7th

HINT: 

Actual gear: 

  1. 1ST GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 4.454 or more and 9.051 or less
    (When output speed less than 60 rpm)
    (b) NT-NO x 1st gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 60 rpm or more)
    2ND GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 2.758 or more and 3.297 or less
    (When output speed less than 190 rpm)
    (b) NT-NO x 2nd gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 190 rpm or more)
    3RD GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.817 or more and 2.082 or less
    (When output speed less than 380 rpm)
    (b) NT-NO x 3rd gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 380 rpm or more)
    4TH GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.368 or more and 1.544 or less
    (When output speed less than 570 rpm)
    (b) NT-NO x 4th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 570 rpm or more)
    5TH GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 1.129 or more and 1.308 or less
    (When output speed less than 570 rpm)
    (b) NT-NO x 5th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 570 rpm or more)
    6TH GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 0.934 or more and 1.065 or less
    (When output speed less than 770 rpm)
    (b) NT-NO x 6th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 770 rpm or more)
    7TH GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 0.744 or more and 0.876 or less
    (When output speed less than 780 rpm)
    (b) NT-NO x 7th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 780 rpm or more)
    8TH GEAR

    Any of the following conditions are met (a) or (b)
    (a) Turbine speed/Output speed (NT/NO) 0.621 or more and 0.725 or less
    (When output speed less than 960 rpm)
    (b) NT-NO x 8th gear ratio -50 rpm or more and 50 rpm or less
    (When output speed 960 rpm or more)

HINT: 

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, 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
VEHICLE STOP CHECK:

Vehicle speed 0 km/h (0 mph) or less
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