2025 Kia Seltos X-LineFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor (ECTS): Specification

Item Specification
Operating voltage (V) 4.75 - 5.25
Temperature Resistance (KΞ©)
Β°C Β°F
-40 -40 41.74 - 54.54
-30 -22 23.54 - 29.94
-20 -4 14.13 - 16.83
-10 14 8.39 - 10.22
0 32 5.28 - 6.29
10 50 3.42 - 4.00
20 68 2.31 - 2.59
30 86 1.55 - 1.76
40 104 1.08 - 1.21
50 122 0.77 - 0.85
60 140 0.56 - 0.61
70 158 0.41 - 0.44
80 176 0.31 - 0.33
90 194 0.23 - 0.25
100 212 0.18 - 0.19
110 230 0.145 - 0.149
120 248 0.113 - 0.118
130 266 0.090 - 0.095
140 284 0.073 - 0.077
150 302 0.059 - 0.063
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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