Heater Core Temperature Sensor
NOTE:
Heater core temperature sensor should be removed from heater assembly before testing. See HEATER CORE TEMPERATURE SENSOR
under REMOVAL & INSTALLATION.
Using an ohmmeter, test all sensor terminals listed in HEATER CORE TEMPERATURE SENSOR RESISTANCE VALUES table. Replace sensor if resistance is not within test values.
HEATER CORE TEMPERATURE SENSOR RESISTANCE VALUES
| Temperature - F°(C°) | Ohms |
|---|---|
| 212 (100) | 580-770 |
| 140 (60) | 2190-2780 |
| 77 (25) | 9000-11,000 |
| 68 (20) | 11,130-13,830 |
| 32 (0) | 28,890-36,400 |
| 14 (-10) | 48,580-62,080 |
| -4 (-20) | 84,390-109,610 |