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Home >> Toyota >> 2019 >> Sequoia SR5, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Automatic Transmission (Ab60E) - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Automatic Transmission System >> DTC P2757: Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU) [08/2017 - 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 the following DTCs are not present P0717 (Turbine speed sensor circuit)
P0722 (Output speed sensor circuit)
P0973, P0974 (Shift solenoid valve S1 circuit)
P0976, P0977 (Shift solenoid valve S2 circuit)
P0761, P0979, P0980 (Shift solenoid valve S3 circuit)
P0766, P0982, P0983 (Shift solenoid valve S4 circuit)
P0985, P0986 (Shift solenoid valve SR circuit)
P2759 (Torque converter clutch pressure control solenoid circuit)
P0327, P0328, P032C, P032D (KCS sensor circuit)
P0778 (Shift solenoid valve SL2 circuit)
P0781 (1 - 2 shift valve)
P0729 (Reverse sequence valve)
ETCS (Electric Throttle Control System) Not system down
Transmission position "D"
Duration time from shifting "N" to "D" 4 seconds or more
ECT (Engine coolant temperature) 40°C (104°F) or higher
Spark advance from max. retard timing by KCS control 0° crankshaft angle or more
Engine Starting
ECM selected gear 2nd, 3rd, 4th, 5th or 6th
Vehicle speed 25 km/h (15.5 mph) or more
OFF MALFUNCTION (A)

ECM lock-up command ON
(SLU pressure: 513 kPa (5.2 kgf/cm2 , 74 psi) or higher)
Duration time from lock-up on command 3 seconds or more
Input speed/output speed (NT/NO)
NT: Input (Turbine) speed
NO: Internal counter shaft speed
0.66 to 0.80
or
0.51 to 0.65
Calculated load value A/C off:
17.4% or more when turbine speed is 375 RPM
A/C on:
18.6% or more when turbine speed is 375 RPM
(Conditions vary with turbine speed)
Vehicle speed Less than 120 km/h (74.6 mph)
OFF MALFUNCTION (B)

ECM selected gear 2nd
Vehicle speed 2 km/h (1.2 mph) or more
Output speed 2nd → 1st down-shift point or more
Throttle valve opening angle 9% or more at 2000 RPM
(Conditions vary with engine speed)
Calculated load value 7.75% or more (A/C off)
7.75% or more (A/C on)
Input speed/output speed (NT/NO)
NT: Input (Turbine) speed
NO: Internal counter shaft speed
3.11 to 7.58
or
1.83 to 2.27
or
1.24 to 1.49
or
0.93 to 1.07
or
0.66 to 0.80
or
0.51 to 0.65
ON MALFUNCTION

ECM lock-up command OFF
(SLU pressure: Below 4 kPa (0.04 kgf/cm2 , 0.6 psi))
Duration time from lock-up off command 3 seconds or more
Throttle valve opening angle 6% or more
Input speed/output speed (NT/NO)
NT: Input (Turbine) speed
NO: Internal counter shaft speed
1.83 to 2.27
or
1.24 to 1.49
or
0.93 to 1.07
or
0.66 to 0.80
or
0.51 to 0.65
Calculated load value A/C off:
17.4% or more when turbine speed is 375 RPM
A/C on:
18.6% or more when turbine speed is 375 RPM
(Conditions vary with turbine speed)
Vehicle speed Less than 120 km/h (74.6 mph)