PTC Heater Circuit [01/2019 - 09/2022]: Description
WARNING: This page is about a different variant/trim than selected.
The air conditioning amplifier assembly sends operation signals to the PTC HTR relays when quick heater assembly operation conditions are met. Based on the signals from the air conditioning amplifier assembly, the PTC HTR relays turn on, and power is supplied to the quick heater assembly installed in the air conditioning radiator assembly.
| Symptom | Factor |
|---|---|
| Heating performance is poor when it is cold. |
|