System Diagram [10/2015 - ]
WARNING: This page is about a different variant/trim than selected.
 Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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COMMUNICATION TABLE
| Transmitting ECU |
Receiving ECU |
Signals |
Communication method |
| ECM |
4WD ECU |
- Gear shift signal
- Park/neutral position switch signal (PN signal)
- R range signal (for the meter)
- Gear position fail/gear ratio fail signal
- Gear position signal
- Engine type information signal
- Transmission information signal
- Electronic throttle system sensor malfunction signal
- Accelerator sensor status flag signal
- TC terminal status signal
- Actual output torque signal
- Accelerator pedal depression amount signal
|
CAN Communication System |
| Skid Control ECU |
4WD ECU |
- Wheel speed signal
- Wheel speed sensor malfunction signal
- Wheel speed sensor low voltage status signal
- Wheel speed sensor hardware status signal
- Wheel speed sensor metal interference judgement status signal
- Wheel speed sensor momentary interruption judgement status signal
- Stop light switch signal
- Stop light switch open signal
- VSC brake fluid pressure command signal
- 4WD lock request signal
- 4WD lock release request signal
- Yaw rate follow-up control selection signal
- ABS control in operation signal
- Control tire radius signal
|
CAN Communication System |
| 4WD ECU |
Skid Control ECU |
- 4WD control hydraulic pressure signal
|
CAN Communication System |
| Steering sensor |
4WD ECU |
- Data continuity (valid or invalid) flag signal
- +B open malfunction signal
- Sensor malfunction signal
- Steering angle signal
|
CAN Communication System |
| 4WD ECU |
Combination meter |
- DTC signal
- Diagnostic sender system number signal
- AWD warning illumination and blinking request signal
- Slip indicator light illumination and blinking request signal
|
CAN Communication System |