DTC C1AB8: Destination Information Undefined [08/2013 - ]: Procedure
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DTC
- Check for CAN communication system DTCs. Refer to DIAGNOSIS SYSTEM [08/2013 - ]
.
OK
CAN communication system DTCs are not output.
NG → See step 4
OK: Go to next step
- Check for CAN communication system DTCs. Refer to DIAGNOSIS SYSTEM [08/2013 - ]
.
- REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
- Replace the main body ECU (multiplex network body ECU). Refer to REMOVAL [08/2013 - ] .
NEXT: Go to next step
- RECHECK DTC
- Recheck for DTCs and check if the same DTC is output again.
Result
Result Proceed to No DTC is output A DTC is output from the blind spot monitor sensor LH (Master) B DTC is output from the blind spot monitor sensor RH (Slave) C
B → See step 6
C → See step 5
A → END (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) WAS DEFECTIVE)
- Recheck for DTCs and check if the same DTC is output again.
- GO TO CAN COMMUNICATION SYSTEM. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]
- REPLACE BLIND SPOT MONITOR SENSOR RH. Refer to REMOVAL [08/2013 - ]
- REPLACE BLIND SPOT MONITOR SENSOR LH. Refer to REMOVAL [08/2013 - ]