Check from the rear of the connector while it is connected to the components.
TOLL COLLECTION (ETC) COMPUTER ASSEMBLY
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| P21-1 (+B) - P21-2 (GND) | R - W-B | Power source (+B) | Ignition switch off | 11 to 14 V |
| P21-3 (IG) - P21-2 (GND) | SB - W-B | Power source (IG) | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| P21-2 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |