DTC 15

DTC 15: A Short In The Evaporator Temperature Sensor Circuit

1. Remove the evaporator temperature sensor.
2. Test the evaporator temperature sensor.

Is the resistance within the specifications shown on the graph?

YES - Go to step 3.

NO - Replace the evaporator temperature sensor.

3. Disconnect heater control panel connector B (22P).




4. Check for continuity between the No. 7 terminal of heater control panel connector B (22P) and body ground.

Is there continuity?

YES - Repair short to body ground in the wire between the heater control panel and the evaporator temperature sensor.

NO - Substitute a known-good heater control panel, and recheck. If the symptom/indication goes away, replace the original heater control panel.