Transfer Control Unit Terminals And Reference Value
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.) |
|---|---|---|---|---|
| 6 | B | Ground | Always | 0V |
| 18 | B | Ground | Always | 0V |
| 19 | R | Power supply (Memory back-up) | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF | Battery voltage | |||
| 25 | W/G | Ignition switch monitor | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF | 0V | |||
| 32 | B | Actuator motor ground | Always | 0V |
| 40 | V | Transfer shut off relay | Ignition switch: ON | 0V |
| Ignition switch: OFF (5 seconds after ignition switch is turned OFF) | Battery voltage | |||
| 44 | Y | Power supply | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF (5 seconds after ignition switch is turned OFF) | 0V | |||
| 45 | GR | Power supply | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF (5 seconds after ignition switch is turned OFF) | 0V |
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.