## Climate Control

#### DTC Troubleshooting (cont'd)

21-119

4-door DTC 7: An Open in the Air Mix Control Motor Circuit

1. Disconnect the air mix control motor 7P connector.
2. Disconnect climate control unit connectors A (14P) and B (22P).
3. Check for continuity between following terminals of climate control unit connectors A (14P) and B (22P) and the air mix control motor 7P connector.

   14P: | 7P:
   No. 1 | No. 5
   No. 2 | No. 7
   No. 3 | No. 1
   No. 9 | No. 2
   22P: | 7P:
   No. 6 | No. 3

CLIMATE CONTROL UNIT CONNECTOR A (14P)

Wire side of female terminals

CLIMATE CONTROL UNIT CONNECTOR B (22P)

Wire side of female terminals

Is there continuity?

YES - Check for loose wires or poor connections at climate control unit connectors A (14P) and B (22P) and at the 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.

NO - Repair any open in he wire(s) between the climate control unit and the air mix control motor.

4-door

DTC 8: A Short in the Air Mix Control Motor Circuit

1. Disconnect the air mix control motor 7P connector.
2. Disconnect climate control unit connectors A (14P) and B (22P).
3. Check for continuity between body ground and climate control unit connector A (14P) terminals No. 1, 2, 3 and 9 individually and between body ground and climate control unit connector B (22P) terminals No. 6.

CLIMATE CONTROL UNIT CONNECTOR A (14P)

Wire side of female terminals

CLIMATE CONTROL UNIT CONNECTOR B (22P)

Wire side of female terminal

Is there continuity?

YES - Repair any short to body ground in the wire(s) between the climate control unit and the air mix control motor.

NO - Go to step 4.