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Problem Symptoms Table

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

    Problem Symptom Suspected Area
    B1211/11 (no communication from driver door ECU for more than 10 seconds)
    1. Power window regulator master switch assembly
    2. Wire harness
    B1214 (short in communication circuit and +B power source system)
    1. Power window regulator master switch assembly
    2. ECM
    3. Air conditioning amplifier assembly
    4. Combination meter assembly
    5. Theft warning ECU
    6. Sliding roof drive gear
    7. Wire harness
    8. MPX body ECU
    B1215 (short in communication circuit and body ground)
    1. Power window regulator master switch assembly
    2. ECM
    3. Air conditioning amplifier assembly
    4. Combination meter assembly
    5. Theft warning ECU
    6. Sliding roof drive gear
    7. Wire harness
    8. MPX body ECU
    B1261 (no communication from ECM for more than 10 seconds)
    1. ECM
    2. Wire harness
    B1262/62 (no communication from A/C ECU for more than 10 seconds)
    1. Air conditioning amplifier assembly
    2. Wire harness
    B1269/69 (no communication from theft deterrent ECU for more than 10 seconds)
    1. Theft warning ECU
    2. Wire harness
    B1271 (no communication from combination meter ECU for more than 10 seconds)
    1. Combination meter assembly
    2. Wire harness
    B1273/73 (no communication from sliding roof control ECU for more than 10 seconds)
    1. Sliding roof drive gear
    2. Wire harness
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