Terminals And Reference Values For EPS Control Unit
Data are reference value and are measured.
TERMINALS AND REFERENCE VALUES FOR EPS CONTROL UNIT
| Terminal | Wire color | Item | Condition | Data (Approx.) | |
|---|---|---|---|---|---|
| 1 | W | Power supply (Memory back-up) | Ignition switch: ON | Battery voltage | |
| Ignition switch: OFF | Battery voltage | ||||
| 2 | B | Ground | Always | 0 V | |
| 3 | BR | Power supply | Ignition switch: ON | Battery voltage | |
| Ignition switch: OFF | 0 V | ||||
| 5 | L | CAN-H | - | - | |
| 7 | P | CAN-L | - | - | |
| 11 | B | Torque sensor ground | Always | 0 V | |
| 12 | Y | Torque sensor sub | 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) | ||||
| 13 | R | Torque sensor power supply | Ignition switch: ON | 8 V | |
| Ignition switch: OFF | 0 V | ||||
| 14 | W | Torque sensor main | 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) | ||||
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.