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Home/Lexus/SC/Lexus SC II (2001-2005)/Repair manual/Multiplex Communication System - Diagnosis: Diagnosis/PROBLEM SYMPTOMS TABLE
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PROBLEM SYMPTOMS TABLE Lexus SC II

Multiplex Communication System - Diagnosis: Diagnosis ~539 words

PROBLEM SYMPTOMS TABLE

  1. TROUBLESHOOTING FOR EACH PROBLEM SYMPTOM NOTE: Confirm the problem symptom and make an inspection depending on the applicable flow chart. SYMPTOM Symptom Suspected Area See B1211 Driver door ECU Wire Harness «DTC B1211 DRIVER DOOR ECU COMMUNICATION STOP»(ref-211363-S33697216022005121600000) B1212 Passenger door ECU Wire Harness «DTC B1212 FRONT PASSENGER DOOR ECU COMMUNICATION STOP»(ref-211363-S04946483152005121600000) B1213 Tilt and telescopic ECU Wire Harness «DTC B1213 TILT AND TELESCOPIC ECU COMMUNICATION STOP»(ref-211363-S17340910872005121600000) B1214, B1215 Transponder key ECU (Immobilizer ECU) Theft warning ECU Driver door ECU Driver seat ECU Passenger seat ECU Metal top ECU Passenger door ECU «DTC B1214 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1215 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1266 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1267 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1291 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1292 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT)»(ref-211363-S29337998432005121600000) B1247 Tire pressure control ECU Wire Harness «DTC B1247 TIRE PRESSURE MONITOR RECEIVER COMMUNICATION STOP»(ref-211363-S38352119352005121600000) B1248 Radio Receiver Amplifier Wire Harness «DTC B1248 AVC-LAN COMMUNICATION IMPOSSIBLE»(ref-211363-S31561038502005121600000) B1261 ECM Wire Harness «DTC B1261 ECM (ENGINE ECU) COMMUNICATION STOP»(ref-211363-S25509634982005121600000) B1262 A/C amplifier Wire Harness «DTC B1262 A/C ECU COMMUNICATION STOP»(ref-211363-S36286492152005121600000) B1263 Luggage room J/B Wire Harness «DTC B1263 LUGGAGE ROOM JUNCTION BLOCK ECU COMMUNICATION STOP»(ref-211363-S13940639572005121600000) B1266,B1267 Tire pressure control ECU A/C amplifier ECM Passenger side J/B Airbag ECU Skid control ECU Combination meter «DTC B1214 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1215 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1266 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1267 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1291 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1292 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT)»(ref-211363-S29337998432005121600000) B1269 Theft warning ECU Wire Harness «DTC B1269 THEFT DETERRENT ECU COMMUNICATION STOP»(ref-211363-S18475651182005121600000) B1271 Combination meter Wire Harness «DTC B1271 COMBINATION METER ECU COMMUNICATION STOP»(ref-211363-S31714264682005121600000) B1272 Driver seat ECU Wire Harness «DTC B1272 POWER SEAT ECU COMMUNICATION STOP»(ref-211363-S07403463682005121600000) B1273 Metal top ECU Wire Harness «DTC B1273 SLIDING ROOF ECU COMMUNICATION STOP»(ref-211363-S27304101722005121600000) B1278 Combination SW Wire Harness «DTC B1278 COMBINATION SWITCH ECU COMMUNICATION STOP»(ref-211363-S08511161522005121600000) B1281 Airbag ECU Wire Harness «DTC B1281 AIRBAG ECU COMMUNICATION STOP»(ref-211363-S34003551092005121600000) B1282 Skid control ECU Wire Harness «DTC B1282 SKID CONTROL ECU COMMUNICATION STOP»(ref-211363-S19602523752005121600000) B1283 Driver side J/B Wire Harness «DTC B1283 DRIVER SIDE JUNCTION BLOCK ECU COMMUNICATION STOP»(ref-211363-S13578820872005121600000) B1284 Passenger side J/B Wire Harness «DTC B1284 PASSENGER SIDE JUNCTION BLOCK ECU COMMUNICATION STOP»(ref-211363-S11959550042005121600000) B1285 Steering pad SW ECU Wire Harness «DTC B1285 STEERING PAD SWITCH COMMUNICATION STOP»(ref-211363-S08702370442005121600000) B1289 Passenger seat ECU Wire Harness «DTC B1289 PASSENGER SEAT ECU COMMUNICATION STOP»(ref-211363-S31743052272005121600000) B1291,B1292 Front light control ECU Driver side J/B Steering pad SW Tilt and telescopic ECU Combination SW Luggage room J/B «DTC B1214 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1215 DOOR SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1266 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1267 INSTRUMENT PANEL SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT), DTC B1291 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (+B SHORT), DTC B1292 LIGHT SYSTEM COMMUNICATION BUS MALFUNCTION (GND SHORT)»(ref-211363-S29337998432005121600000) B1294 Transponder key ECU (Immobilizer ECU) Wire Harness «DTC B1294 IMMOBILIZER ECU COMMUNICATION STOP»(ref-211363-S05576692812005121600000) B1296 Front light control ECU Wire Harness «DTC B1296 FRONT LIGHT ECU COMMUNICATION STOP»(ref-211363-S34344772322005121600000)