Toyota Tundra (2015 year). Manual — part 323
SYMPTOM
SUSPECTED AREA
SEE
PAGE
ECM
Up-shift to 5th from 4th while engine is cold
Engine coolant temperature
sensor circuit*
ECM
No gear change by moving shift lever to "+" or "-" while shift
lever in S
Transmission control switch circuit
ECM
Harsh engagement (N -> D)
Shift solenoid valve SLT circuit*
Speed sensor NT circuit*
ECM
Harsh engagement (lock-up)
Speed sensor NT circuit*
Speed sensor SP2 circuit*
Shift solenoid valve SLU circuit*
ECM
Harsh engagement (any driving position)
Throttle position sensor circuit*
Shift solenoid valve SL1 circuit*
Shift solenoid valve SL2 circuit*
Shift solenoid valve SLU circuit*
Shift solenoid valve SLT circuit*
Speed sensor NT circuit*
ECM
Poor acceleration
No. 2 ATF temperature sensor
circuit*
Shift solenoid valve SLT circuit*
ECM
No engine brake
ECM
No kick-down
ECM
Engine stalls when starting off or stopping
Shift solenoid valve SLU circuit*
ECM
"A/T OIL TEMP" warning light remains on, lock-up in 3rd gear
and/or shift point too high
No. 2 ATF temperature sensor
circuit*
Engine coolant temperature
sensor circuit*
ECM
Shifting malfunction
Park/neutral position switch
circuit*
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Transmission control switch circuit
ECM
Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th -> 6th)
Shift solenoid valve SR circuit*
Slip or shudder (5th -> 6th and 6th -> 5th)
Shift solenoid valve SR circuit*
2. Chapter 2: On-Vehicle Repair and Off-Vehicle Repair
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Vehicle does not move when shift lever is in any forward
position or reverse position
Transmission control cable (for
Column Shift Type)
Transmission control cable (for Floor
Shift Type)
Manual valve
Parking lock pawl
Rear planetary gear unit
Torque converter
Vehicle does not move with shift lever in R
Valve body assembly
B4 brake
No up-shift (1st -> 2nd)
Valve body assembly
B3 brake
F1 one-way clutch
F2 one-way clutch
No up-shift (2nd -> 3rd)
Valve body assembly
C3 clutch
No up-shift (3rd -> 4th)
Valve body assembly
C2 clutch
No up-shift (4th -> 5th)
Valve body assembly
B1 brake
No up-shift (5th -> 6th)
Valve body assembly
B2 brake
No down-shift (6th -> 5th)
Valve body assembly
No down-shift (5th -> 4th)
Valve body assembly
No down-shift (4th -> 3rd)
Valve body assembly
No down-shift (3rd -> 2nd)
Valve body assembly
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SYMPTOM
SUSPECTED AREA
SEE
PAGE
No down-shift (2nd -> 1st)
Valve body assembly
No lock-up or no lock-up off
Valve body assembly
Torque converter
Harsh engagement (N -> D)
Valve body assembly
C1 accumulator
C1 clutch
F3 one-way clutch
F4 one-way clutch
Harsh engagement (lock-up)
Valve body assembly
Torque converter
Harsh engagement (N -> R)
Valve body assembly
C3 accumulator
C3 clutch
B4 brake
F1 one-way clutch
Harsh engagement (1st -> 2nd -> 3rd -> 4th -> 5th -> 6th)
Valve body assembly
Harsh engagement (1st -> 2nd)
Valve body assembly
B3 accumulator
B3 brake
F1 one-way clutch
F2 one-way clutch
Harsh engagement (2nd -> 3rd)
Valve body assembly
C3 accumulator
C3 clutch
Harsh engagement (3rd -> 4th)
Valve body assembly
C2 accumulator
C2 clutch
Harsh engagement (4th -> 5th)
Valve body assembly
B1 accumulator
B1 brake
Harsh engagement (5th -> 6th)
Valve body assembly
B2 accumulator
B2 brake
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Harsh engagement (6th -> 5th)
Valve body assembly
C3 accumulator
C3 clutch
Slip or shudder (forward and reverse, after warm-up)
Transmission control cable (for
Column Shift Type)
Transmission control cable (for Floor
Shift Type)
Valve body assembly
Oil strainer
F1 one-way clutch
C3 clutch
Torque converter
Slip or shudder (particular position, just after engine starts)
Torque converter
Slip or shudder (shift lever in R)
B4 brake
F1 one-way clutch
C3 clutch
Slip or shudder (1st)
C1 clutch
F3 one-way clutch
F4 one-way clutch
Slip or shudder (2nd)
C1 clutch
B3 brake
F1 one-way clutch
F2 one-way clutch
F4 one-way clutch
Slip or shudder (3rd)
C1 clutch
C3 clutch
F1 one-way clutch
F4 one-way clutch
Slip or shudder (4th)
C1 clutch
C2 clutch
F4 one-way clutch
Slip or shudder (5th)
C2 clutch
C3 clutch
B1 brake
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
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