## Heating

#### DTC Troubleshooting (cont'd)

21-18

5. 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.

4-door

DTC 11: A Problem in the Mode Control Linkage, Doors or Motor

1. 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.

2. Remove the mode control motor (see page 21-46).
3. 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.