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.