Sonata GL V6-2.5L (1999)
Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
1. Immerse the water temp. sensor in water.
2. Using a stove heating the water measure the resistance between terminal 1 and terminal 2.
3. Check the resistance value is within specification as shown in the graph.
Water temperature
Resistance
25° C
12.5 ± 0.5 K Ohms
60° C
2.5 ± 0.3 K Ohms
