Terminals And Reference Values For EPS Control Unit
Data are reference values and are measured between each terminal and ground.
TERMINALS AND REFERENCE VALUES FOR EPS CONTROL UNIT
| Terminal | Wire color | Item | Condition | Data (Approx.) | |
|---|---|---|---|---|---|
| 4 | V | Torque sensor sub | Engine running | Steering wheel: Not steering (There in no steering force) | 2.5 V |
| Steering wheel: Steering | 1.7 V - 3.3 V (The value is changed according to steering left or right) | ||||
| 5 | BR | Torque sensor power supply | Ignition switch: ON | 8 V | |
| Ignition switch: OFF | 0 V | ||||
| 6 | G | Torque sensor main | Engine running | Steering wheel: Not steering (There is no steering force) | 2.5 V |
| Steering wheel: Steering | 1.7 V - 3.3 V (The value is changed according to steering left or right) | ||||
| 7 | R | Torque sensor ground | Always | 0 V | |
| 9 | L | CAN-H | - | - | |
| 10 | O | Power supply | Ignition switch: ON | Battery voltage | |
| Ignition switch: OFF | 0 V | ||||
| 16 | P | CAN-L | - | - | |
| 17 | R | Power supply (Memory back-up) | Ignition switch: ON | Battery voltage | |
| Ignition switch: OFF | Battery voltage | ||||
| 18 | B | Ground | Always | 0 V | |
| 19 | - | Motor (+) | - | - | |
| 20 | - | Motor (-) | - | - | |
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.