( TL19E00K733000Y1241FAAT00 )

DTC Troubleshooting: B1241 (N and A/C ON)

1. Measure the voltage between blower motor relay 4P socket No. 4 terminal and body ground.

Is there battery voltage?

YES | - | Check for an open in the wire between the blower motor relay 4P socket No. 4 terminal and body ground. If the wire is OK, check for poor ground at G301, LHD model, RHD model. ■
NO | - | Repair open in the wire between the No. 16 (7.5 A) fuse in the driver's under-dash fuse/relay box and blower motor relay 4P socket.■