Toyota Tundra (2015 year). Manual — part 539
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 (forward and reverse, after warm-up)
Torque converter
Slip or shudder (shift lever on 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
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SYMPTOM
SUSPECTED AREA
SEE
PAGE
Slip or shudder (6th)
C2 clutch
B2 brake
No engine braking (1st to 4th, shift lever on S)
C4 clutch
No engine braking (1st: shift lever on 1)
Valve body assembly
B4 brake
No engine braking (2nd: shift lever on 2)
Valve body assembly
B2 brake
No engine braking (3rd: shift lever on 3)
Valve body assembly
B1 brake
No engine braking (4th: shift lever on 4)
Valve body assembly
No kick-down
Valve body assembly
Shift point too high or too low
Valve body assembly
Poor acceleration (all positions)
Valve body assembly
Torque converter
Poor acceleration (6th)
B2 brake
C2 clutch
Front planetary gear unit
Engine stalls when starting off or stopping
Valve body assembly
Torque converter
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000000W740LNX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: TERMINALS OF ECM; 2015
MY Tundra [08/2014 - ]
TERMINALS OF ECM
1. CHECK ECM
HINT:
Each ECM terminal's standard voltage is shown in the table below.
In the table, first follow the information under "Condition". Look under "Terminal No. (Symbol)" for the
terminals to be inspected. The standard voltage between the terminals is shown under "Specified
Condition".
Use the illustration above as a reference for the ECM terminals.
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
D74-120 (NSW) -
D74-81 (E1)
L - BR
PNP switch signal
Ignition switch ON
Shift lever on P or N
Below 1 V
D74-120 (NSW) -
D74-81 (E1)
L - BR
PNP switch signal
Ignition switch ON
Shift lever not on P or
N
11 to 14 V
D74-2 (P) - D74-81
(E1)
G-B - BR
P shift position switch
signal
Ignition switch ON
Shift lever on P
11 to 14 V
D74-2 (P) - D74-81
(E1)
G-B - BR
P shift position switch
signal
Ignition switch ON
Shift lever not on P
Below 1 V
D74-26 (R) - D74-81
(E1)
L-R - BR
R shift position switch
signal
Ignition switch ON
Shift lever on R
11 to 14 V
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
TERMINAL NO.
(SYMBOL)
WIRING
COLOR
TERMINAL
DESCRIPTION
CONDITION
SPECIFIED
CONDITION
D74-26 (R) - D74-81
(E1)
L-R - BR
R shift position switch
signal
Ignition switch ON
Shift lever not on R
Below 1 V
D74-25 (N) - D74-81
(E1)
G-W - BR
N shift position switch
signal
Ignition switch ON
Shift lever on N
11 to 14 V
D74-25 (N) - D74-81
(E1)
G-W - BR
N shift position switch
signal
Ignition switch ON
Shift lever not on N
Below 1 V
D74-27 (D) - D74-81
(E1)
G - BR
D shift position switch
signal
Ignition switch ON
Shift lever on D
11 to 14 V
D74-27 (D) - D74-81
(E1)
G - BR
D shift position switch
signal
Ignition switch ON
Shift lever not on D
Below 1 V
A24-25 (S) - D74-81
(E1)
Y - BR
S shift position switch
signal
Ignition switch ON
Shift lever on S
11 to 14 V
A24-25 (S) - D74-81
(E1)
Y - BR
S shift position switch
signal
Ignition switch ON
Shift lever not on S
Below 1 V
A24-38 (SFTU) -
D74-81 (E1)
G - BR
Up-shift position switch
signal
Ignition switch ON
Shift lever on S
11 to 14 V
A24-38 (SFTU) -
D74-81 (E1)
G - BR
Up-shift position switch
signal
Ignition switch ON
Shift lever "+"
position (up-shift)
Below 1 V
A24-27 (SFTD) -
D74-81 (E1)
BE - BR
Down-shift position
switch signal
Ignition switch ON
Shift lever on S
11 to 14 V
A24-27 (SFTD) -
D74-81 (E1)
BE - BR
Down-shift position
switch signal
Ignition switch ON
Shift lever "-"
position (down-shift)
Below 1 V
A24-36 (STP) -
D74-81 (E1)
SB - BR
Stop light switch signal
Brake pedal is depressed
7.5 to 14 V
A24-36 (STP) -
D74-81 (E1)
SB - BR
Stop light switch signal
Brake pedal is released
Below 1.5 V
D74-7 (S1) - D74-81
(E1)
R - BR
S1 solenoid signal
1st gear
Below 1 V
D74-7 (S1) - D74-81
(E1)
R - BR
S1 solenoid signal
Not on 1st gear
11 to 14 V
AB60E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
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