Problem Symptoms Table

WARNING: This page is about a different car, the 2006 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.

TROUBLESHOOTING FOR EACH PROBLEM SYMPTOM

NOTE: Confirm the problem symptom and make an inspection depending on the applicable flow chart.

PROBLEM SYMPTOMS TABLE

Symptom	Suspected Area	Reference
B1214 (short in communication circuit and +B power source system)	Theft warning ECU assy (Theft deterrent ECU) Multiplex network door ECU back (Back door ECU) Instrument panel junction block assy (Body ECU)	MULTIPLEX NETWORK DOOR ECU BACK (BACK DOOR ECU)
B1215 (short in communication circuit and body ground)	Theft warning ECU assy (Theft deterrent ECU) Multiplex network door ECU back (Back door ECU) Instrument panel junction block assy (Body ECU)	MULTIPLEX NETWORK DOOR ECU BACK (BACK DOOR ECU)
B1269 (no communication from theft deterrent ECU for more than 10 seconds)	Theft warning ECU assy (Theft deterrent ECU) Wire harness	THEFT WARNING ECU ASSY (THEFT DETERRENT ECU)
B1287 (no communication from back door ECU for more than 10 seconds)	Multiplex network door ECU back (Back door ECU) Wire harness	MULTIPLEX NETWORK DOOR ECU BACK (BACK DOOR ECU)