Principal components

Fig 1: Illustration For Steps 1-9

Courtesy of SAAB-SCANIA OF AMERICA, INC.

The automatic transmission consists of the following principal components:

1. Gearbox
2. Control module, (TCM) 502
3. Solenoid valves for shifting, (S1 and S2) 531
4. Solenoid valve for Lock-up, (SL) 531
5. Solenoid valve for system pressure, (ST) 531
6. Input shaft speed sensor, 532
7. Output shaft speed sensor, 533
8. Transmission fluid temperature sensor 535
9. Gear selector position sensor 245