Toyota Tundra. Manual — part 2791

No down-shift (5th -> 4th)

Valve body assembly

VALVE BODY ASSEMBLY

No down-shift (4th -> 3rd)

Valve body assembly

VALVE BODY ASSEMBLY

No down-shift (3rd -> 2nd)

Valve body assembly

VALVE BODY ASSEMBLY

No down-shift (2nd -> 1st)

Valve body assembly

VALVE BODY ASSEMBLY

No lock-up or no lock-up off

Valve body assembly

VALVE BODY ASSEMBLY

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

Harsh engagement (N -> D)

Valve body assembly

VALVE BODY ASSEMBLY

C1 accumulator

AUTOMATIC TRANSMISSION
UNIT

C1 clutch

AUTOMATIC TRANSMISSION
UNIT

F3 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F4 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (lock-up)

Valve body assembly

VALVE BODY ASSEMBLY

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

Harsh engagement (N -> R)

Valve body assembly

VALVE BODY ASSEMBLY

C3 accumulator

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

B4 brake

AUTOMATIC TRANSMISSION
UNIT

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (1st -> 2nd -> 3rd
-> 4th -> 5th -> 6th)

Valve body assembly

VALVE BODY ASSEMBLY

Harsh engagement (1st -> 2nd)

Valve body assembly

VALVE BODY ASSEMBLY

B3 accumulator

AUTOMATIC TRANSMISSION
UNIT

B3 brake

AUTOMATIC TRANSMISSION
UNIT

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F2 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (2nd -> 3rd)

Valve body assembly

VALVE BODY ASSEMBLY

C3 accumulator

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Harsh engagement (3rd -> 4th)

Valve body assembly

VALVE BODY ASSEMBLY

C2 accumulator

AUTOMATIC TRANSMISSION
UNIT

C2 clutch

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (4th -> 5th)

Valve body assembly

VALVE BODY ASSEMBLY

B1 accumulator

AUTOMATIC TRANSMISSION
UNIT

B1 brake

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (5th -> 6th)

Valve body assembly

VALVE BODY ASSEMBLY

B2 accumulator

AUTOMATIC TRANSMISSION
UNIT

B2 brake

AUTOMATIC TRANSMISSION
UNIT

Harsh engagement (6th -> 5th)

Valve body assembly

VALVE BODY ASSEMBLY

C3 accumulator

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (forward and reverse,
after warm-up)

Transmission control cable
(for Column Shift Type)

TRANSMISSION CONTROL
CABLE (FOR COLUMN SHIFT
TYPE)

Transmission control cable
(for Floor Shift Type)

TRANSMISSION CONTROL
CABLE (FOR FLOOR SHIFT
TYPE)

Valve body assembly

VALVE BODY ASSEMBLY

Oil strainer

VALVE BODY ASSEMBLY

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

Slip or shudder (particular position,
just after engine starts)

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

Slip or shudder (shift lever on R)

B4 brake

AUTOMATIC TRANSMISSION
UNIT

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

C1 clutch

AUTOMATIC TRANSMISSION
UNIT

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

Slip or shudder (1st)

F3 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F4 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (2nd)

C1 clutch

AUTOMATIC TRANSMISSION
UNIT

B3 brake

AUTOMATIC TRANSMISSION
UNIT

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F2 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F4 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (3rd)

C1 clutch

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

F1 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

F4 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (4th)

C1 clutch

AUTOMATIC TRANSMISSION
UNIT

C2 clutch

AUTOMATIC TRANSMISSION
UNIT

F4 one-way clutch

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (5th)

C2 clutch

AUTOMATIC TRANSMISSION
UNIT

C3 clutch

AUTOMATIC TRANSMISSION
UNIT

B1 brake

AUTOMATIC TRANSMISSION
UNIT

Slip or shudder (6th)

C2 clutch

AUTOMATIC TRANSMISSION
UNIT

B2 brake

AUTOMATIC TRANSMISSION
UNIT

No engine braking (1st to 4th, shift
lever on S)

C4 clutch

AUTOMATIC TRANSMISSION
UNIT

No engine braking (1st: shift lever on
1)

Valve body assembly

VALVE BODY ASSEMBLY

B4 brake

AUTOMATIC TRANSMISSION
UNIT

No engine braking (2nd: shift lever

Valve body assembly

VALVE BODY ASSEMBLY

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra

TERMINALS OF ECM

1. CHECK ECM

Fig. 9: Identifying Terminals Of ECM
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

HINT:

Each ECM terminal's standard voltage is shown in the table below.

on 2)

B2 brake

AUTOMATIC TRANSMISSION
UNIT

No engine braking (3rd: shift lever
on 3)

Valve body assembly

VALVE BODY ASSEMBLY

B1 brake

AUTOMATIC TRANSMISSION
UNIT

No engine braking (4th: shift lever on
4)

Valve body assembly

VALVE BODY ASSEMBLY

No kick-down

Valve body assembly

VALVE BODY ASSEMBLY

Shift point too high or too low

Valve body assembly

VALVE BODY ASSEMBLY

Poor acceleration (all positions)

Valve body assembly

VALVE BODY ASSEMBLY

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

Poor acceleration (6th)

B2 brake

AUTOMATIC TRANSMISSION
UNIT

C2 clutch

AUTOMATIC TRANSMISSION
UNIT

Front planetary gear unit

AUTOMATIC TRANSMISSION
UNIT

Engine stalls when starting off or
stopping

Valve body assembly

VALVE BODY ASSEMBLY

Torque converter clutch

TORQUE CONVERTER CLUTCH
AND DRIVE PLATE

2009 Toyota Tundra

2009 TRANSMISSION AB60F Automatic Transaxle - Tundra