DTC Troubleshooting: B1241 (N and A/C ON)
  1. Measure the voltage between the blower motor 2P connector No. 1 terminal and body ground.
Is there battery voltage?
YES -
Replace the blower motor.■
NO -
Go to Step 28 .
  1. Turn the ignition switch to LOCK (0).
  1. Remove the blower motor relay from the under-hood fuse/relay box, and test it.
Is the relay OK?
YES -
Go to Step 30 .
NO -
Replace the blower motor relay .■