Operation CHARM: Car repair manuals for everyone.

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 the heater control panel 30P connector.




4. Check for continuity between the No.28 terminal of the heater control panel 30P connector 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.