Climate Control

DTC Troubleshooting (cont'd)

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5-door

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

  1. Disconnect the air mix control motor 5P 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 5P connector.
    14P: 5P:
    No. 1 No. 5
    No. 2 No. 4
    No. 3 No. 2
    No. 9 No. 1
    22P: 5P:
    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 5P 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 the wire(s) between the climate control unit and the air mix control motor.

5-door

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

  1. Disconnect the air mix control motor 5P 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) terminal No. 6.

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 - 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.