CONTROLLER AREA NETWORK (CAN)
Previously, for different computers in the vehicle to share the same information, each signal required a different pin and wiring. However, with the introduction of a CAN system, only two lines are required to achieve the same function. The information is in digital format. This method does not use an integrated ECM.
Scheme 271
Input signals to TCM (PCM) through ' CAN communication'
- Engine RPM, TPS signal
- A/CON signal, Engine coolant temperature
- Quantity of intake airflow, Vehicle speed
- Shift holding signal (FTCS ON)
Output signals from TCM (PCM) through ' CAN communication'
- Request signal for torque reduction
- ATF temperature, TCM (PCM) type, TCM (PCM) error or not
- Damper clutch ON, OFF / Gear position
Scheme 272
| Terminal Number | Description | Terminal Number | Description |
|---|---|---|---|
| Gasoline (C45) | Gasoline (C45) | ||
| 1 | 31 | ||
| 2 | 32 | ||
| 3 | 33 | ||
| 4 | 34 | Ground 1 | |
| 5 | INHIBITOR SW (P) | 35 | Ground 2 |
| 6 | INHIBITOR SW (R) | 36 | |
| 7 | INHIBITOR SW (N) | 37 | |
| 8 | INHIBITOR SW (D) | 38 | Brake SW |
| 9 | Sports mode SEL SW | 39 | Auto cruise SW |
| 10 | Sports mode UP SW | 40 | |
| 11 | Sports mode DOWN SW | 41 | |
| 12 | 42 | ||
| 13 | 43 | ||
| 14 | 44 | ||
| 15 | 45 | ||
| 16 | OD Solenoid Valve | 46 | LR Solenoid valve |
| 17 | 2ND Solenoid Valve | 47 | |
| 18 | DCC (TCC) Solenoid Valve | 48 | Solenoid valve |
| 19 | VFS Solenoid Valve | 49 | Power 1 (Solenoid valve) |
| 20 | Ground 3 | 50 | Power 2 (Solenoid valve) |
| 21 | 51 | ||
| 22 | 52 | Auto cruise Relay Signal | |
| 23 | 53 | ||
| 24 | 54 | Oil temperature Sensor | |
| 25 | 55 | Sensor Ground | |
| 26 | 56 | Output speed sensor | |
| 27 | 57 | ||
| 28 | 57 | Input speed sensor | |
| 29 | 59 | ||
| 30 | 60 |
TCM PINS REFERENCE