Toyota Tundra (2015 year). Manual - part 463
(d) According to the display on the Techstream, perform the Active Test.
HINT:
While driving, the shift position can be forcibly changed with the Techstream.
Engine and ECT
TESTER
DISPLAY
TEST PART
CONTROL RANGE
DIAGNOSTIC NOTE
Control the
Shift Position
Operate shift solenoid valves
and set each shift position
Press "→"
button: Shift up
Press "←"
button: Shift
down
Possible to check operation of
the shift solenoid valves.
[Vehicle Condition]
50 km/h (30 mph) or less
HINT:
This test can be conducted when the vehicle speed is 50 km/h (30 mph) or less.
The 4th to 5th and 5th to 6th up-shifts must be performed with the accelerator pedal released.
The 6th to 5th and 5th to 4th down-shifts must be performed with the accelerator pedal released.
Do not operate the accelerator pedal for at least 2 seconds after shifting and do not shift successively.
The shift position commanded by the ECM is shown in the Data List display on the Techstream.
(e) Compare the ECM gear shift command and the actual gear position.
Result
ECM GEAR SHIFT COMMAND
1ST 2ND 3RD 4TH 5TH 6TH
PROCEED
TO
Actual gear position under
malfunction
Shift solenoid
S1
Stuck
ON*1
2nd 2nd
3rd
4th
5th
6th
A
Stuck OFF
1st
1st
3rd
4th
5th N*2
Shift solenoid
S2
Stuck ON
1st
2nd 2nd 4th
6th
6th
B
Stuck OFF
3rd
3rd
3rd
4th
5th
5th
Shift solenoid
S3
Stuck ON
1st
2nd
3rd
3rd N*2 N*2
C
Stuck OFF
3rd
4th
4th
4th
5th
6th
Shift solenoid
S4
Stuck
ON*3
1st
2nd
3rd
4th
5th
6th
D
Stuck OFF
1st
2nd
3rd
4th
4th
4th
Actual gear position when normal
1st
2nd
3rd
4th
5th
6th
E
HINT:
*1: When shift solenoid S1 is stuck ON, the vehicle cannot drive in reverse.
*2: Neutral
*3: When shift solenoid S4 is stuck ON, gear shifting is normal.
B
GO TO STEP 7
C
GO TO STEP 10
A760F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISS...