Kia Sedona: Heater & A/C Control Unit (Manual) Components and Components Location
Connector Pin No Function Connector Pin No Function A 1 COMMON B 18 - 2 GND 19 ILL- (RHEO) 3 HIGH 20 GND 4 LOW 21 IGN 2 5 MIDDLE LOW 22 ECV+ 6 MIDDLE HIGH 23 ECV-(GND) B 1 BATT 24 - 2 IGN 1 25 DETENT OUT(-) 3 ILL+ (TAIL) 26 SENSOR REF (+5V) 4 MODE ACT''R F/B 27 Rr DEFOG S/W 5 TEMP ACT''R F/B 28 HTD 6 INTAKE ACT''R F/B 29 - 7 MODE ACT''R (VENT) 30 EVAP. SENSOR (+) 8 MODE ACT''R (DEF) 31 AMB SENSOR (+) 9 TEMP ACT''R (COOL) 32 BLOWER ON SIGNAL 10 TEMP ACT''R (WARM) 33 MAX BLOWER ON SIGNAL 11 INTAKE ACT''R (FRE) 34 - 12 INTAKE ACT''R (REC) 35 - 13 PTC ON SIGNAL (DIESEL ONLY) 36 - 14 PTC RELAY 2 (DIESEL ONLY) 37 C_CAN HIGH 15 PTC RELAY 3 (DIESEL ONLY) 38 C_CAN LOW 16 CLIMATE-COMM SIGNAL 39 SENSOR GND 17 CLIMATE-COMM GND 40 GND
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the center fascia lower panel (A) aft ...