Diagnostic Trouble Code Chart
If a trouble code is displayed during DTC check, check the circuit corresponding to the code in the table below. Proceed to the article given for the circuit.
MULTIPLEX COMMUNICATION SYSTEM
DIAGNOSTIC TROUBLE CODE CHART
| DTC No. See | Detection Item | Trouble Area |
|---|---|---|
| B1200 | MPX Body ECU Stop |
|
| B1207 | Certification ECU Communication Malfunction |
|
| B1208 | Passenger Side Outer Mirror ECU |
|
| B1209 | Driver Side Outer Mirror |
|
| B1210 | Power ECU Stop |
|
| B1214 | Short to B+ in Door System Communication Bus Malfunction |
|
| B1215DTC B1214 Short to B+ in Door System Communication Bus Malfunction; DTC B1215 Short to GND in Door System Communication Bus Malfunction | Short to GND in Door System Communication Bus Malfunction |
|
| B1248 | AVC-LAN Communication Impossible |
|
| B1262 | A/C ECU Communication Stop |
|
| B1271 | Combination Meter ECU Communication Stop |
|
| B1272 | Power Seat ECU Communication Stop |
|
| B1275 | Accessory Bus Buffer Communication Stop |
|
| B1278 | Combination Switch ECU Communication Stop |
|
| B1279 | Rain Sensor Communication Stop |
|
| B1296 | Front Light ECU Communication Stop |
|
When DTCs indicating "+B or GND short malfunction of communication bus" (B1214, B1215, etc.) are detected at the same time as DTCs indicating "communication stop" (B1200, B1207, etc.), repair DTCs indicating "+B or GND short malfunction of communication bus" first.