Diagnostic Trouble Code Chart
If a malfunction code is displayed during DTC check, check the circuit corresponding to the code in the table below. Proceed to the reference given for the circuit.
MULTIPLEX COMMUNICATION SYSTEM
| DTC Code | Detection Item | Trouble Area | See |
|---|---|---|---|
| B1201 | Mayday ECU Communication Stop | - Mayday ECU - Wire harness |
Refer to DTC B1201: Mayday ECU Communication Stop |
| B1211 | Driver Door ECU Communication Stop | - Power window regulator master switch assembly - Wire harness |
Refer to DTC B1211: Driver Door ECU Communication Stop |
| B1213 | Tilt and Telescopic ECU Communication Stop | - Multiplex tilt and telescopic ECU - Wire harness |
Refer to DTC B1213: Tilt and Telescopic ECU Communication Stop |
| B1214 | Short to B+ in Door System Communication Bus Malfunction | - Power window regulator master switch assembly - Multiplex tilt and telescopic ECU - Multiplex network body ECU No. 2 (Body No. 2 ECU) - Windshield wiper ECU - Theft deterrent ECU - Power seat ECU - Outer mirror control ECU - Rain sensor - Junction Block - Mayday ECU - Instrument panel junction block assembly (Body ECU) - Wire harness |
Refer to DTC B1214: Short to B+ in Door System Communication Bus Malfunction; DTC B1215: Short to GND in Door System Communication Bus Malfunction |
| B1215 | Short to GND in Door System Communication Bus Malfunction | - Power window regulator master switch assembly - Multiplex tilt and telescopic ECU - Multiplex network body ECU No. 2 (Body No. 2 ECU) - Windshield wiper ECU - Theft deterrent ECU - Power seat ECU - Outer mirror control ECU - Rain sensor - Junction Block - Mayday ECU - Instrument panel junction block assembly (Body ECU) - Wire harness |
Refer to DTC B1214: Short to B+ in Door System Communication Bus Malfunction; DTC B1215: Short to GND in Door System Communication Bus Malfunction |
| B1218 | Body No. 2 ECU Communication Stop | - Multiplex network body ECU No. 2 (Body No. 2 ECU) - Wire harness |
Refer to DTC B1218: Body No. 2 ECU Communication Stop |
| B1245 | Wiper ECU Communication Stop | - Windshield wiper ECU - Wire harness |
Refer to DTC B1245: Wiper ECU Communication Stop |
| B1269 | Theft Deterrent ECU Communication Stop | - Theft deterrent ECU - Wire harness |
Refer to DTC B1269: Theft Deterrent ECU Communication Stop |
| B1272 | Power Seat ECU Communication Stop | - Power seat ECU - Wire harness |
Refer to DTC B1272: Power Seat ECU Communication Stop |
| B1276 | Power Mirror Control ECU Communication Stop | - Outer mirror control ECU - Wire harness |
Refer to DTC B1276: Power Mirror Control ECU Communication Stop |
| B1279 | Rain Sensor Communication Stop | - Rain sensor - Wire harness |
Refer to DTC B1279: Rain Sensor Communication Stop |
HINT:
When DTC of "+B or GND short malfunction of communication bus B1214 and B1215 are detected at the same time as "communication stop" DTC B1201, B1211, B1213, B1218, B1245, B1269, B1272, B1276, and B1279, repair DTC of "+B or GND short malfunction of communication bus" first.