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Home >> Kia >> 2019 >> Optima EX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 252 (Heater System (PHEV)) >> PTC Heater >> Repair Procedures >> Inspection >> Operating Test
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Operating Test

WARNING: This page is about a different variant/trim than selected.

This test should be performed in the PTC ON conditions.

  1. Run the engine.
  2. Check the current on the wiring with a clamp multi tester.
    Pattern Current (A)
    PTC 1 ON 0.1 - 33
    PTC 2 ON 0.1 - 33
    Total Max 100
  3. If the current is not within specification, inspect the related wiring.