RATCU - PINOUT, INSTALLATION

24PIN:

1. SOUT – speed output, 0-12V sine
2. BTN – unlock the torque converter input or speed correction (downshift), circuit to +12V
3. HALL – speed sensor input (Hall sensor) 5-12V sine
4. 3 – overdrive signal input, circuit to +12V
5. ATF – temperature signal input, circuit to negative
6. GND – input negative
7. VR+ - inductive speed sensor input (SP2) + (polarity is important), reed switch input (negative)
8. VR- - inductive speed sensor input (SP2) – (polarity is important)
10. +5V - output +5v for TPS sensor (since version 3.0)
11. GND – input negative
12. PGND – input power negative (maximum loaded interference)
13. L – input signal selector, L position, circuit to +12V
14. 2 – input signal selector, 2 position, circuit to +12V
15. N – input signal selector, N position, circuit to +12V
16. R – input signal selector, R position, circuit to +12V
17. P – input signal selector, P position, circuit to +12V
18. TPS – Throttle position sensor input, sine 0-5V (maximum 5 volt)
19. TACH – tachometer input signal, sine 0-12V
20. SU – button input SHIFT UP (used in manual mode), mode POWER, circuit to negative
21. SM – button input SHIFT MODE (launches manual mode), circuit to +12V
22. SD – button input SHIFT DOWN (used in manual mode), mode SNOW, circuit to negative
23. GND – input negative
24. PGND – input power negative (maximum loaded interference)

10PIN:

1. SLC – output PWM, solenoid control four-wheel drive (negative low level switch)
2. SLN – output PWM, solenoid pressure accumulators (negative low level switch)
3. SLU – output PWM, solenoid lock-up (negative low level switch)
4. SLT – output PWM, solenoid linear pressure (negative low level switch)
5. +12V - input power (ignition) +12V
6. S1 – output solenoid №1 (+12V high level switch)
7. S2 – output solenoid №2 (+12V high level switch)
8. S3 – output solenoid №3 (lockup for 3 solenoid at) (+12V high level switch)
9. S4 – output solenoid №4 (+12V high level switch)
10. +12V - input power (ignition) +12V