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Diagnostic Trouble Code Table

If a malfunction code is displayed during DTC check, check the circuit corresponding to the code in DIAGNOSTIC TROUBLE CODE TABLE . Proceed to the information given for the circuit.

MULTIPLEX COMMUNICATION SYSTEM 

DIAGNOSTIC TROUBLE CODE TABLE

DTC Code Detection Item Trouble Area Information
B1201 Mayday ECU Communication Stop
  • Mayday ECU
  • Wire harness
B1201 
B1211 Driver Door ECU Communication Stop
  • Power window regulator master switch assembly
  • Wire harness
B1211 
B1213 Tilt and Telescopic ECU Communication Stop
  • Multiplex tilt and telescopic ECU
  • Wire harness
B1213 
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
B1214 
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
B1215 
B1218 Body No. 2 ECU Communication Stop
  • Multiplex network body ECU No. 2 (Body No. 2 ECU)
  • Wire harness
B1218 
B1245 Wiper ECU Communication Stop
  • Windshield wiper ECU
  • Wire harness
B1245 
B1269 Theft Deterrent ECU Communication Stop
  • Theft deterrent ECU
  • Wire harness
B1269 
B1272 Power Seat ECU Communication Stop
  • Power seat ECU
  • Wire harness
B1272 
B1276 Power Mirror Control ECU Communication Stop
  • Outer mirror control ECU
  • Wire harness
B1276 
B1279 Rain Sensor Communication Stop
  • Rain sensor
  • Wire harness
B1279 

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.