YES -
Go to step 9.
NO -
Repair an open in the wire between the climate control unit and the outside air temperature sensor.?
9. Check for continuity between climate control unit connector A (40P) terminal No. 8 and outside air temperature sensor 2P connector terminal
No. 1.
Is there continuity?
YES -
Check for loose wires or poor connections at climate control unit connector A (40P) and at the outside air temperature sensor 2P connector. If the
connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original climate
control unit See: Heating and Air Conditioning/Control Assembly/Service and Repair/Climate Control Unit Removal/Installation.?
NO -
Repair an open in the wire between the climate control unit and the outside air temperature sensor.?
C and Mode
DTC Troubleshooting: B1241 (C and MODE)
DTC B1241 or DTC indicator C and MODE:
A Problem in the Front Blower Motor Circuit
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Do the self-diagnostic function with the HDS or the climate control unit.
4. Check for DTCs.
Is DTC B1241 or C and MODE indicated?
YES -
Go to step 5.
NO -
Intermittent failure, check for loose wires or poor connections in the front blower motor circuit.?
5. Turn the ignition switch to LOCK (0).
6. Check the No. 12 (40 A) fuse in the relay block, and the No. 30 (10 A) fuse in the under-dash fuse/relay box.
