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Home >> Toyota >> 2016 >> 4Runner Limited, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transmission System (A750E) - Diagnostic Codes & Circuit Tests) >> Automatic Transmission System >> DTC P2757: Torque Converter Clutch Pressure Control Solenoid Performance (Shift Solenoid Valve SLU) [08/2015 - ] >> 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 P0717 (Turbine speed sensor circuit)
P0722 (Output speed sensor circuit)
P0751, P0973, P0974 (Shift solenoid valve S1 circuit)
P0756, P0976, P0977 (Shift solenoid valve S2 circuit)
P0985, P0986 (Shift solenoid valve SR circuit)
P2759 (Shift solenoid valve SLU circuit)
P0327, P0328, P0332, P0333 (KCS sensor circuit)
P0776 (Shift solenoid valve SL2 circuit)
P0781 (1-2 shift valve)
ETCS (Electric Throttle Control System) Not system down
Transmission position "D"
Duration time from shifting "N" to "D" 4 sec. or more
ECT 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 or 5th
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 sec. or more
Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less
Calculated load value 25.2% or more at 1000 rpm
(Conditions vary with turbine speed)
Vehicle speed Less than 120 km/h (74.6 mph)
OFF MALFUNCTION (B)

ECM selected gear 2nd
Duration time from shift command of ECM 2 sec. or more
Vehicle speed 2 km/h (1.2 mph) or more
Output speed 2nd → 1st down shift point or more
Throttle valve opening angle 6.5% or more at 2000 rpm
(Conditions varies with engine speed)
Calculated load value 7.75% or more
Following conditions is met: (a), (b), (c), (d) or (e) -
(a) Turbine speed/Output speed (NT/NO) 3.30 or more, and 7.50 or less
(This means actual gear is 1st)
(b) Turbine speed/Output speed (NT/NO) 1.91 or more, and 2.35 or less
(This means actual gear is 2nd)
(c) Turbine speed/Output speed (NT/NO) 1.28 or more, and 1.53 or less
(This means actual gear is 3rd)
(d) Turbine speed/Output speed (NT/NO) 0.93 or more, and 1.07 or less
(This means actual gear is 4th)
(e) Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less
(This means actual gear is 5th)
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 sec. or more
Following conditions is met: (a), (b), (c) or (d) -
(a) Turbine speed/Output speed (NT/NO) 1.91 or more, and 2.35 or less
(This means actual gear is 2nd)
(b) Turbine speed/Output speed (NT/NO) 1.28 or more, and 1.53 or less
(This means actual gear is 3rd)
(c) Turbine speed/Output speed (NT/NO) 0.93 or more, and 1.07 or less
(This means actual gear is 4th)
(d) Turbine speed/Output speed (NT/NO) 0.65 or more, and 0.79 or less
(This means actual gear is 5th)
Throttle valve opening angle 7% or more
Calculated load value 25.2% or more at 1000 rpm
(Conditions vary with turbine speed)
Vehicle speed Less than 120 km/h (74.6 mph)