## Climate Control

#### DTC Troubleshooting (cont'd)

21-140

5-door DTC 14: An Open in the Evaporator Temperature Sensor Circuit

1. Disconnect the evaporator temperature sensor 2P connector.
2. Measure the resistance between the No. 1 and No. 2 terminals of the evaporator temperature sensor.

EVAPORATOR TEMPERATURE SENSOR

Terminal side of male terminals

Is the resistance within the specifications shown on the graph?

YES - Go to step 3.

NO - Replace the evaporator temperature sensor.

3. Disconnect climate control unit connector B (22P).

4. Check for continuity between the No. 7 terminal of climate control unit connector B (22P) and the No. 1 terminal of the evaporator temperature sensor 2P connector.

CLIMATE CONTROL UNIT CONNECTOR B (22P)

Wire side of female terminals

EVAPORATOR TEMPERATURE SENSOR 2P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Go to step 5.

NO - Repair open in the wire between the climate control unit and the evaporator temperature sensor.

5. Disconnect climate control unit connector A (14P).