Section 401 (Multiplex Communication System - Diagnosis)
WARNING: This page is about a different car, the 2003 Lexus LX 470. However, it is still accessible from the selected car via links, so may be relevant.
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Pre-Check
- Diagnostic Trouble Code Chart
- Parts Location
- Terminals Of Ecu
- Circuit Inspection
- DTC B1211: Driver Door ECU Communication Stop
- DTC B1213: Tilt And Telescopic ECU Communication Stop
- DTC B1214, B1215: Door System Communication Bus Malfunction (+B Short), Door System Communication Bus Malfunction (GND Short)
- DTC B1218: Body ECU No. 2 Communication Stop
- DTC B1245: Auto Wiper ECU Communication Stop
- DTC B1269: Theft Deterrent ECU Communication Stop
- DTC B1272: Power Seat ECU Communication Stop
- DTC B1273: Sliding Roof Control ECU Communication Stop (w/ Sliding Roof Vehicle Only)
- DTC B1275: Accessory Bus Buffer Communication Stop
- DTC B1276: Mirror ECU Communication Stop
- DTC B1279: Rain Sensor Communication Stop
- DTC B1281: Airbag ECU Communication Stop