B1123

DTC B1123

DTC Detecting Condition and Trouble Area






DTC Confirmation Procedure

1) Push engine switch to change ignition mode to "ON".

DTC Troubleshooting


1. Fuse check
Confirm that ignition mode of keyless push start system is in "OFF".
Check "DOME" fuse.
Is it in good condition?
YES
Replace keyless start control module and recheck DTC. Service and Repair
NO
Replace "DOME" fuse, and go to Step 2.
2. DTC check
Push engine switch to change ignition mode to "ON".
Check DTC. DTC Check
Is DTC B1123 still detected?
YES
Go to Step 3.
NO
End.
3. Each system check connected via "DOME" fuse
Check each system connected via "DOME" fuse, except keyless start control module.
Is it in good condition?
YES
Replace "DOME" fuse and keyless start control module, and recheck DTC. Service and Repair
NO
Repair or replace defective part and/or wire harness, and then replace "DOME" fuse and recheck DTC.