Is there continuity?
YES -
Check for loose wires or poor connections at climate control unit connectors A (40P), B (14P), and at the rear air mix control motor 7P
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(s) between the climate control unit and the rear air mix control motor.?
B1245
DTC Troubleshooting: B1245 (G and MODE)
DTC B1245 or DTC indicator G and MODE:
A Short in the Rear Air Mix Control 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 B1245 or G and MODE indicated?
YES -
Go to step 5.
NO -
Intermittent failure, check for loose wires or poor connections in the rear air mix control motor circuit.?
5. Check for DTCs.
Are these DTCs also present; B1234 or K and AUTO, and/or B1237 or N and AUTO, and/or B2968 or A and WINDSHIELD DEFROST, and/or
B2980 or B and WINDSHIELD DEFROST?
