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Problem Symptoms Table

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
  1. TROUBLESHOOTING FOR EACH PROBLEM SYMPTOM 
    NOTE: Confirm the problem symptom and make an inspection depending on the applicable flowchart.
    PROBLEM SYMPTOMS TABLE - MULTIPLEX COMMUNICATION SYSTEM

    Symptom Suspected Area
    B1214 (short in communication circuit and +B power source system)
    • 2. Theft warning ECU assy (Theft deterrent ECU)
    • 3. Multiplex network door ECU back (Back door ECU)
    • 4. Instrument panel junction block assy (Body ECU)
    B1215 (short in communication circuit and body ground)
    1. Theft warning ECU assy (Theft deterrent ECU)
    2. Multiplex network door ECU back (Back door ECU)
    3. Instrument panel junction block assy (Body ECU)
    B1269 (no communication from theft deterrent ECU for more than 10 seconds)
    1. Theft warning ECU assy (Theft deterrent ECU)
    2. Wire harness
    B1287 (no communication from back door ECU for more than 10 seconds)
    1. Multiplex network door ECU back (Back door ECU)
    2. Wire harness
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