( TL19E00K733000Y1241FAAT00 )

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

DTC B1241 or DTC indicator N and A/C ON:
A Problem in the Blower Motor Circuit

1. Clear the DTC with the HDS.

1. Turn the ignition switch to LOCK (0) and then to ON (II).

1. Do the self-diagnostic function with the HDS or the heater control unit.

1. Check for DTCs.

Is DTC B1241 or N and A/C ON indicated?

YES | - | Go to Step 5 .
NO | - | Intermittent failure; check for loose wires or poor connections on the blower motor circuit.■

1. Turn the ignition switch to LOCK (0).

1. Check the No. 8 (40 A) fuse in the under-hood fuse/relay box, and the No. 16 (7.5 A) fuse in the driver's under-dash fuse/relay box.

Are the fuses OK?

YES | - | Go to Step 7 .
NO | - | Replace the fuses, and recheck.■

1. Connect the blower motor 2P connector No. 2 terminal to body ground with a jumper wire.

1. Turn the ignition switch to ON (II).

Does the blower motor run?

YES | - | Go to Step 9 .
NO | - | Go to Step 25 .

1. Turn the ignition switch to LOCK (0).

1. Disconnect the jumper wire.

1. Disconnect the power transistor 4P connector.