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Problem Symptoms Table

  1. TROUBLESHOOTING FOR EACH PROBLEM SYMPTOM 
    NOTE: Confirm the problem symptom and make an inspection depending on table below.
    PROBLEM SYMPTOMS TABLE - MULTIPLEX COMMUNICATION SYSTEM

    Symptom Suspected Area
    B1211 (No communication from driver door ECU for more than 10 seconds)
    1. Power window regulator master switch assy (Driver door ECU)
    2. Wire harness
    B1213 (No communication from tilt and telescopic ECU for more than 10 seconds)
    1. Multiplex tilt & telescopic ECU (Tilt and telescopic ECU)
    2. Wire harness
    B1214 (Short in communication circuit and +B power source system)
    1. Power window regulator master switch assy (Driver door ECU)
    2. Multiplex tilt & telescopic ECU (Tilt & telescopic ECU)
    3. Multiplex network body ECU No. 2 (Body No. 2 ECU)
    4. Windshield wiper ECU (Wiper ECU)
    5. Theft warning ECU assy (Theft deterrent ECU)
    6. Front power seat switch (Power Seat ECU)
    7. Outer mirror control ECU assy (Mirror ECU)
    8. Rain sensor
    9. Junction Block
    10. Instrument panel J/B assy (Body ECU)
    11. Wire harness
    B1215 (Short in communication circuit and body ground)
    1. Power window regulator master switch assy (Driver door ECU)
    2. Multiplex tilt & telescopic ECU (Tilt & telescopic ECU)
    3. Multiplex network body ECU No. 2 (Body No. 2 ECU)
    4. Windshield wiper ECU (Wiper ECU)
    5. Theft warning ECU assy (Theft deterrent ECU)
    6. Front power seat switch (Power Seat ECU)
    7. Outer mirror control ECU assy (Mirror ECU)
    8. Rain sensor
    9. Junction Block
    10. Instrument panel J/B assy (Body ECU)
    11. Wire harness
    B1218 (No communication from body No. 2 ECU for more than 10 seconds)
    1. Multiplex network body ECU No. 2 (Body No. 2 ECU)
    2. Wire harness
    B1245 (No communication from wiper ECU for more than 10 seconds)
    1. Windshield wiper ECU (Wiper ECU)
    2. Wire harness
    B1269 (No communication from theft deterrent ECU for more than 10 seconds)
    1. Theft warning ECU assy (Theft deterrent ECU)
    2. Wire harness
    B1272 (No communication from power seat ECU for more than 10 seconds)
    1. Front power seat switch (Power seat ECU)
    2. Wire harness
    B1276 (No communication from Mirror ECU for more than 10 seconds)
    1. Outer mirror control ECU assy (Mirror ECU)
    2. Wire harness
    B1279 (No communication from rain sensor for more than 10 seconds)
    1. Rain sensor
    2. Wire harness
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