This DTC is stored when correct destination information is not sent from the main body ECU (multiplex network body ECU) and destination information cannot be confirmed after a blind spot monitor sensor has been replaced.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1AB8 | Destination Information Undefined | The blind spot monitor sensor cannot communicate with the main body ECU | ·
CAN communication system ·
Main body ECU (multiplex network body ECU) ·
Blind spot monitor sensor RH ·
Blind spot monitor sensor LH |
When checking for DTCs, make sure that the blind spot monitor system is turned on.
Before replacing the main body ECU (multiplex network body ECU), refer to the Service Bulletin. (w/ Entry and Start System)
Check for CAN communication system DTCs.
CAN communication system DTCs are not output.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Replace the main body ECU (multiplex network body ECU) with a new one.
for LHD
for RHD
| Proceed to |
|---|
| NEXT |
NEXT
Recheck for DTCs and check if the same DTC is output again.
| Result | Proceed to |
|---|---|
| No DTCs are output. | A |
| DTC C1AB8 is output ("Blind Spot Monitor Master"). | B |
| DTC C1AB8 is output ("Blind Spot Monitor Slave"). | C |
A
B
C