Transfer Control Unit Terminals And Reference Value
WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
Data are reference value and are measured between each terminal and ground.
TRANSFER CONTROL UNIT TERMINALS AND REFERENCE VALUE
| Terminal | Wire color | Item | Condition | Data (Approx.) | |
|---|---|---|---|---|---|
| 27 | Y/R | Actuator motor power supply | Ignition switch: ON | Battery voltage | |
| Ignition switch: OFF (5 seconds after ignition switch is turned OFF) | 0V | ||||
| 28 | Y/W | Actuator motor (+) |
|
When 4WD shift switch is operated (while actuator motor is operating) | Battery voltage |
| 31 | G/R | Actuator motor (-) | When 4WD shift switch is not operated | 0V | |
| Always | 0V | ||||
| 42 | BR | Transfer shift high relay |
|
4WD shift switch: 2WD to 4H or 4H to 4LO or 2WD to 4LO | 0V |
| Except the above | Battery voltage | ||||
| 47 | Y/L | Transfer shift high relay monitor | 4WD shift switch: 2WD to 4H or 4H to 4LO or 2WD to 4LO | Battery voltage | |
| Except the above | 0V | ||||
| 48 | G/B | Transfer shift low relay monitor | 4WD shift switch: 4LO to 4H or 4H to 2WD or 4LO to 2WD | Battery voltage | |
| Except the above | 0V | ||||
| 50 | R | Transfer shift low relay | 4WD shift switch: 4LO to 4H or 4H to 2WD or 4LO to 2WD | 0V | |
| Except the above | Battery voltage | ||||
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.