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Toyota AB60 Calibration Notes

Clutch Numbering

Clutch
Number

Toyota
Naming

Applied
For

1

C1

N-1,N-2,N-3,N-4

2

C2

3-4

3

C3

2-3, 6-5, R

4

C4

5-4, N-1,N-2,N-3,N-4

5

B1

3rd gear braking, 4-5, N-5, R

6

B2

2nd gear braking, 5-6

7

B3

1-2

8

B4

1st gear braking


Solenoid Pressure to Current Tables

Solenoid
Number

Function

Notes

1

D1,D2 line pressure

This table is used in R as well,, but the valve body adds a 4 bar boost

2

D3,D4,D5 line pressure 


4

TCC Pressure


5

C1, C3, C4 Clutch Pressure


6

B1, B2, B4 Clutch Pressure



Solenoid Numbering, OEM and DTC Names

DTC Solenoid Name

PWM Driver Number

Toyota Solenoid Name

Pressure Control Solenoid A

1

SLT

Pressure Control Solenoid B

2

SLU

Pressure Control Solenoid C

3

SL1

Pressure Control Solenoid D

4

SL2

Shift Solenoid A

5

S1

Shift Solenoid B

6

S2

Shift Solenoid C

7

S3

Shift Solenoid D

8

S4

Shift Solenoid E

9

SR

Notes

Clutch C3 and Clutch B2 are used for the 6-5 and 5-6 shifts.  There is valve body imposed limit on the pressure of B2, beyond which C3 will be exhausted or will not apply, due to the C3 switch valve..  This means that there is a limit on the total amount of apply / release pressure overlap that can be maintained during a shift, and this may impose limitations on the total torque that can be managed during a 6-5 downshift.  On the valve bodies tested, this limit appears to be about 400 kPa on B3.  B3 (release) clutch pressure must be slightly less than 400 kPa for C3 to apply.

Torque Management Output

Pin 16 on the controller is driven to +12 during shifts and other torque management events.

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