Toyota Tundra (2015 year). Manual — part 327
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000W780UQX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: CHECK MODE PROCEDURE;
2015 MY Tundra [08/2014 - ]
CHECK MODE PROCEDURE
1. DESCRIPTION
(a) Check mode has a higher sensitivity to malfunctions and can detect malfunctions that normal mode cannot
detect. Check mode can also detect all the malfunctions that normal mode can detect. In check mode,
DTCs are stored with 1-trip detection logic.
2. CHECK MODE PROCEDURE
(a) Make sure that the following conditions are met:
(1) Battery positive voltage 11 V or more.
(2) Throttle valve fully closed.
(3) Shift lever in P or N.
(4) A/C off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON.
(d) Turn the Techstream on.
(e) Enter the following menus: Powertrain / Engine and ECT / Utility / Check Mode.
(f) Check that the MIL flashes as shown in the illustration.
NOTICE:
(h) Perform "Monitor Drive Pattern" for the ECT test
(i) After reproducing the malfunction conditions, use the Techstream to check the DTCs and freeze frame
data.
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
Last Modified: 9-16-2014
6.6 U
Doc ID: RM000000O8L0RTX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: FAIL-SAFE CHART; 2015 MY
Tundra [08/2014 - ]
FAIL-SAFE CHART
1. Fail-safe
MALFUNCTIONING PART
FUNCTION
DTC P0717:
Input Speed Sensor NT
During an input speed sensor malfunction, shift control is performed using the
output speed sensor SP2 signal.
During an input speed sensor malfunction, up-shift to 5th and 6th, AI-SHIFT and
flex lock-up clutch control are prohibited.
DTC P0722:
Output Speed Sensor SP2
During an output speed sensor malfunction, shift control is performed using the
input speed sensor NT signal.
During an output speed sensor malfunction, up-shift to 5th and 6th, AI-SHIFT and
flex lock-up clutch control are prohibited.
DTC P0712, P0713:
ATF Temperature Sensor
During an ATF temperature sensor malfunction, up-shift to 5th and 6th, and flex
lock-up clutch control are prohibited.
Shift Solenoid Valve S1,
S2, S3, S4 and SR
The current to the malfunctioning solenoid valve is cut off and control is performed
by operating the other normal solenoid valves.
Shift control is performed depending on the failed solenoid as described in the table
below.
DTC P0748, P0778:
Shift Solenoid Valve SL1
and SL2
During a solenoid valve SL1 or SL2 malfunction, up-shift to 5th and 6th, and flex
lock-up clutch control are prohibited.
DTC P2714, P2716:
Shift Solenoid Valve SLT
During a solenoid valve SLT malfunction, the current to the solenoid valve is
stopped. This stops optimal line pressure control and shift shock increases.
However, shifting is performed using normal clutch pressure control.
DTC P2757, P2759:
Shift Solenoid Valve SLU
During a solenoid valve SLU malfunction, the current to the solenoid valve is
stopped. This stops lock-up control and flex lock-up control, and fuel economy
decreases.
Shift Solenoid Valve Normal Operation Chart
SHIFT
LEVER
POSITION
GEAR
SHIFT
SOLENOID
S1
SHIFT
SOLENOID
S2
SHIFT
SOLENOID
S3
SHIFT
SOLENOID
S4
SHIFT
SOLENOID
SR
SHIFT
SOLENOID
SL1
SHIFT
SOLENOID
SL2
D, S6
1st
OFF
ON
ON
OFF
ON
OFF
ON
2nd
ON
ON
ON
OFF
ON
OFF
ON
3rd
ON
OFF
ON
OFF
ON
OFF
ON
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SHIFT
LEVER
POSITION
GEAR
SHIFT
SOLENOID
S1
SHIFT
SOLENOID
S2
SHIFT
SOLENOID
S3
SHIFT
SOLENOID
S4
SHIFT
SOLENOID
SR
SHIFT
SOLENOID
SL1
SHIFT
SOLENOID
SL2
4th
ON
OFF
OFF
OFF
ON
OFF
ON
5th
ON
OFF
OFF
ON
OFF
ON
OFF
6th
ON
ON
OFF
ON
OFF
ON
OFF
S5
1st
OFF
ON
ON
OFF
ON
OFF
ON
2nd
ON
ON
ON
OFF
ON
OFF
ON
3rd
ON
OFF
ON
OFF
ON
OFF
ON
4th
ON
OFF
OFF
OFF
ON
OFF
ON
5th
ON
OFF
OFF
ON
OFF
ON
OFF
S4
1st
OFF
ON
ON
OFF
ON
OFF
ON
2nd
ON
ON
ON
OFF
ON
OFF
ON
3rd
ON
OFF
ON
OFF
ON
OFF
ON
4th
ON
OFF
OFF
OFF
ON
OFF
ON
S3
1st
OFF
ON
ON
OFF
ON
OFF
ON
2nd
ON
ON
ON
OFF
ON
OFF
ON
3rd
(E/B)
ON
OFF
ON
OFF
ON
OFF
OFF
S2
1st
OFF
ON
ON
OFF
ON
OFF
ON
2nd
(E/B)
ON
ON
ON
ON
ON
OFF
OFF
S1
1st
(E/B)
OFF
ON
ON
OFF
ON
OFF
OFF
(a) Fail-safe operation for electronically malfunctioning shift solenoid valve (S1, S2, S3, S4 and SR).
(1) Fail-safe function
stops sending current to the open or short-circuited solenoid.
Even if starting the engine again in the fail-safe mode, the gear position remains in the same position.
HINT:
SHIFT
LEVER
POSITION
GEAR*
SHIFT
SOLENOID
S1
SHIFT
SOLENOID
S2
SHIFT
SOLENOID
S3
SHIFT
SOLENOID
S4
SHIFT
SOLENOID
SR
SHIFT
SOLENOID
SL1
SHIFT
SOLENOID
SL2
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
SHIFT
LEVER
POSITION
GEAR*
SHIFT
SOLENOID
S1
SHIFT
SOLENOID
S2
SHIFT
SOLENOID
S3
SHIFT
SOLENOID
S4
SHIFT
SOLENOID
SR
SHIFT
SOLENOID
SL1
SHIFT
SOLENOID
SL2
D, S6
1st
X
ON
ON
OFF
ON
OFF
ON
1st →
4th
X
ON → OFF
ON → OFF
OFF
ON
OFF
ON
3rd →
4th
X
OFF
ON → OFF
OFF
ON
OFF
ON
4th
X
OFF
OFF
OFF
ON
OFF
ON
5th
X
OFF
OFF
ON
OFF
ON
OFF
N →
5th
X
ON → OFF
OFF
ON
OFF
ON
OFF
S5
1st
X
ON
ON
OFF
ON
OFF
ON
1st →
4th
X
ON → OFF
ON → OFF
OFF
ON
OFF
ON
3rd →
4th
X
OFF
ON → OFF
OFF
ON
OFF
ON
4th
X
OFF
OFF
OFF
ON
OFF
ON
5th
X
OFF
OFF
ON
OFF
ON
OFF
S4
1st
X
ON
ON
OFF
ON
OFF
ON
1st →
4th
X
ON → OFF
ON → OFF
OFF
ON
OFF
ON
3rd →
4th
X
OFF
ON → OFF
OFF
ON
OFF
ON
4th
X
OFF
OFF
OFF
ON
OFF
ON
S3
1st
X
ON
ON
OFF
ON
OFF
ON
1st →
4th
X
ON → OFF
ON → OFF
OFF
ON
OFF
ON
3rd
(E/B)
→ 4th
X
OFF
ON → OFF
OFF
ON
OFF
OFF → ON
S2
1st
X
ON
ON
OFF
ON
OFF
ON
2nd
(E/B)
→ 4th
X
ON → OFF
ON → OFF
ON → OFF
ON
OFF
OFF → ON
S1
1st
(E/B)
X
ON
ON
OFF
ON
OFF
OFF
Shift Solenoid Valve S2 Electrical Malfunction (P0976, P0977)
SHIFT
LEVER
POSITION
GEAR*
SHIFT
SOLENOID
S1
SHIFT
SOLENOID
S2
SHIFT
SOLENOID
S3
SHIFT
SOLENOID
S4
SHIFT
SOLENOID
SR
SHIFT
SOLENOID
SL1
SHIFT
SOLENOID
SL2
A760E AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMIS...
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