From: Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions
 | S1 | PC1 | R1 | S2 | PC2 | R2 | S3 | PC3 | R3 | S4 | PC4 | R4 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Reverse gear | – | – | – | − 1 | 1 | 0 | − 1 | 0 | 1 | – | – | – |
1st gear | − 1.875 | 0 | 1.875 | 0.875 | 1 | − 1.875 | − 1 | 0 | 1 | – | – | – |
2nd gear | – | – | – | – | – | – | – | – | – | − 1 | 1 | 0 |
3rd gear | 0.665 | 0 | − 0.665 | − 0.310 | − 0.355 | 0.665 | 0.355 | 0.315 | − 0.670 | − 1.355 | 1.670 | − 0.315 |
4th gear | – | ‒ | ‒ | ‒ | ‒ | ‒ | 0 | 0.670 | − 0.670 | − 1 | 1.670 | − 0.670 |
5th gear | ‒ | ‒ | ‒ | − 0.186 | 0.186 | 0 | − 0.186 | 0.856 | − 0.670 | − 0.814 | 1.670 | − 0.856 |
6th gear | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | − 0.3125 | 1 | − 0.6875 |
7th gear | ‒ | ‒ | ‒ | 0.116 | − 0.116 | 0 | 0.116 | − 1.116 | 1 | ‒ | ‒ | ‒ |
8th gear | ‒ | ‒ | ‒ | ‒ | ‒ | ‒ | 0 | − 1 | 1 | ‒ | ‒ | ‒ |
9th gear | − 0.199 | 0 | 0.199 | 0.093 | 0.106 | − 0.199 | − 0.106 | − 0.894 | 1 | ‒ | ‒ | ‒ |