- Turn the ignition switch OFF and check for continuity between the following terminals of heater control panel connectors A (14P) and B (22P) and the mode control motor 7P connector.
| 14P: | 7P: |
| No. 2 | No. 7 |
| No. 10 | No. 2 |
| No. 11 | No. 1 |
| 22P: | 7P: |
| No. 17 | No. 3 |
| No. 18 | No. 4 |
| No. 19 | No. 5 |
| No. 20 | No. 6 |
HEATER CONTROL PANEL CONNECTOR A (14P)
Wire side of female terminals
HEATER CONTROL PANEL CONNECTOR B (22P)
Wire side of female terminals
Is there continuity?
YES - Check for loose wires or poor connections at heater control panel connectors A (14P) and B (22P) and at the mode control motor 7P connector. If the connections are good, substitute a known-good heater control panel and recheck. If the symptom/indication goes away, replace the original heater control panel. 
NO - Repair any open in the wire(s) between the heater control panel and the mode control motor.
DTC 11: A Problem in the Mode Control Linkage, Doors or Motor
- Test the mode control motor (see page 21-46).
Is the mode control motor OK?
YES - Substitute a known-good heater control panel and recheck. If the symptom/indication goes away, replace the original heater control panel.
NO - Go to step 2.
- Remove the mode control motor (see page 21-46).
- Check the mode control linkage and doors for smooth movement.
Do the mode control linkage and doors move smoothly?
YES - Replace the mode control motor.
NO - Repair the mode control linkage or doors.
