System Diagram
WARNING: This page is about a different car, the 2009 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
Main Body ECU
TRANSMITTING ECU SIGNAL REFERENCE
| Transmitting ECU | Receiving ECU | Signal | Communication Method |
|---|---|---|---|
| Main Body ECU (Instrument Panel Junction Block) | Combination Meter Assembly | Driver side door courtesy light switch signal | CAN |
| Main Body ECU (Instrument Panel Junction Block) | Combination Meter Assembly | Unlock warning switch signal | CAN |