Transfer Control Unit Terminals And Reference Value
Data are reference value and are measured between each terminal and ground.
TRANSFER CONTROL UNIT TERMINALS REFERENCE CHART
| Terminal | Wire color | Item | Condition | Data (Approx.) |
|---|---|---|---|---|
| 3 | B | Ground | Always | 0V |
| 6 | B | Ground | Always | 0V |
| 16 | Y/R | Power supply | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF (5 seconds after Ignition switch is turned OFF) |
0V | |||
| 22 | Y/R | Power supply | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF (5 seconds after Ignition switch is turned OFF) |
0V | |||
| 29 | L/W | Ignition switch monitor | Ignition switch: ON | Battery voltage |
| Ignition switch: OFF | 0V | |||
| 30 | SB | Shut off relay | Ignition switch: ON | 0V |
| Ignition switch: OFF (5 seconds after Ignition switch is turned OFF) |
Battery voltage | |||
| 45 | B | Ground | Always | 0V |
| 47 | W | Power supply (Memory back-up) |
Ignition switch: ON | Battery voltage |
| Ignition switch: OFF | Battery voltage |
CAUTION:
When using a circuit tester to measure voltage for inspection, be sure not to extend forcibly any connector terminals.