FUNCTION
| Driving Support ECU Assembly*1, *2 | Central Gateway ECU (Network Gateway ECU) |
| Forward Recognition Camera*1 | Millimeter Wave Radar Sensor Assembly*1, *2 |
| Object Recognition Camera*2 | Hybrid Vehicle Control ECU Assembly |
| Parking Assist ECU*3 | Blind Spot Monitor Sensor RH*4 |
| Clearance Warning ECU Assembly | Television Camera Assembly |
| Shift Control ECU | Battery ECU Assembly |
| Sub-battery Module Assembly | ECM |
| Radio Receiver Assembly | DCM (Telephone Transceiver Assembly)*5 |
| Bus Buffer ECU*6 | Stereo Component Equalizer Assembly |
| Power Trunk Lid ECU (Multiplex Network Door ECU) | Rear Multiplex Network Door ECU LH |
| Rear Multiplex Network Door ECU RH | Skid Control ECU |
| Power Steering ECU | FR Steering Control ECU*7 |
| Pedestrian Detection ECU Assembly | Airbag ECU Assembly |
| Steering Sensor | Yawrate Sensor |
| RR Steering Control ECU*8 | Suspension Control ECU*9 |
| Absorber Control ECU*10 | Parking Brake ECU Assembly |
| Tire Pressure Warning ECU and Receiver | Headlight ECU Sub-assembly RH |
| Front Multiplex Network Door ECU RH | Headlight ECU Sub-assembly LH |
| Front Position Control ECU Assembly RH | Front Multiplex Network Door ECU LH |
| Rear Multi Operation Panel (Rear Power Seat Switch)*11 | Front Position Control ECU Assembly LH |
| Air Conditioning Amplifier Assembly | Certification ECU (Smart Key ECU Assembly) |
| Multiplex Tilt and Telescopic ECU | Headup Display (Meter Mirror Sub-assembly)*12 |
| Main Body ECU (Multiplex Network Body ECU) | Combination Meter Assembly |
| DLC3 | Blind Spot Monitor Sensor LH*4 |
| FR Television Camera Assembly*3 | Side Television Camera Assembly RH*3 |
| Side Television Camera Assembly LH*3 | Clock Assembly |
| Remote Touch (Remote Operation Controller Assembly) | Front Side Radar Sensor RH*2 |
| Front Side Radar Sensor LH*2 | Seat Belt Control ECU*2 |
| Occupant Detection ECU*13 | - |
*1: Models with Lexus Safety System +
*2: Models with Lexus Safety System +A
*3: Models with panoramic view monitor system
*4: Models with blind spot monitor system
*5: Models with DCM
*6: Models with bus buffer ECU
*7: Models with VGRS system
*8: Models with DRS system
*9: Models with air suspension system
*10: Models with AVS system
*11: Models with rear multi operation panel
*12: Models with headup display
*13: Models with occupant classification system
DIAGNOSIS
If a malfunction occurs on a CAN communication bus, ECUs that are connected to the CAN communication bus store Diagnostic Trouble Codes (DTCs) in memory.
The 5-digit DTCs can be read by connecting the Global TechStream (GTS) to the DLC3.
For details, refer to the Repair Manual.