B1128

DTC B1128: Driver's Door Lock Switch Signal Error

NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis test mode A.

1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back to ON (II).
3. Operate the driver's door look switch several times.
4. Check for DTCs with the HDS.

Is DTC B1128 indicated?

YES - Faulty driver's door lock switch; replace the power window master switch.

NO - Intermittent failure. The driver's door lock switch system is OK at this time. Check for loose or poor connections.