Terminals And Reference Values For EPS Control Unit
WARNING: This page is about a different car, the 2007 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.
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.