SYSTEM DIAGRAM
Communication Table | Sender | Receiver | Signal | Line |
|---|---|---|---|
| Multi-display Assembly | Radio Receiver Assembly | Camera information signal | GVIF |
| Radio Receiver Assembly | Rear Television Camera Assembly | Camera information signal | CAN |
| Steering Sensor | Rear Television Camera Assembly | Steering angle signal | CAN |
| ECM | Rear Television Camera Assembly | Vehicle information signal | CAN |
| Skid Control ECU | Radio Receiver Assembly | Vehicle speed signal | CAN |
| Main Body ECU (Multiplex Network Body ECU) | Rear Television Camera Assembly |
| CAN |
| Blind Spot Monitor Sensor LH*1 | Rear Television Camera Assembly | RCTA operation condition signal | CAN |
| Clearance Warning ECU Assembly*2 | Rear Television Camera Assembly | Sonar information signal | CAN |
Parts Location
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Immobiliser System: Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser System Circuit Short to Battery The com ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Automatic Transaxle System: Pressure Control Solenoid "B" Circuit Open (P077513)
DESCRIPTION Changing gears is performed by the ECM turning the shift solenoid valves SL1, SL2, SL3, SL4 and SL5 on and off. If an open or short occurs in any of the shift solenoid valve circuits, the ECM controls the remaining normal shift solenoid valves to allow the vehicle to be driven. If all of ...