Terminals And Reference Values For EPS Control Unit
WARNING: This page is about a different car, the 2009 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Data are reference value and are measured.
TERMINALS REFERENCE CHART
| 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.