Kia Rio: Heater & A/C Control Unit (MANUAL) Components
Connector pin function
| Connector |
Pin No |
Function |
Connector |
Pin No |
Function |
| A |
1 |
Ground |
B |
18 |
Intake Actuator Feedback |
| 2 |
Middle High |
19 |
Temperature Actuator Feedback |
||
| 3 |
Middle Low |
20 |
Vref (5V) |
||
| 4 |
High |
21 |
- |
||
| 5 |
Low |
22 |
- |
||
| 6 |
- |
23 |
Rear Defrost Switch (Low) |
||
| B |
1 |
Mode Actuator (Vent) |
24 |
HTD (Rear Defrost Indicator) |
|
| 2 |
Mode Actuator (Defog) |
25 |
Detent Out (+) |
||
| 3 |
Intake Actuator (Fresh) |
26 |
- |
||
| 4 |
Intake Actuator (Recirculation) |
27 |
Evaporator Temperature Sensor |
||
| 5 |
Temperature Actuator (Cool) |
28 |
Ambient Temperature Sensor |
||
| 6 |
Temperature Actuator (Warm) |
29 |
- |
||
| 7 |
PTC On Signal |
30 |
- |
||
| 8 |
PTC Relay #2 |
31 |
ECV IN |
||
| 9 |
PTC Relay #3 |
32 |
ECV OUT |
||
| 10 |
Seat Warmer Signal (Low) - Driver |
C |
1 |
IGN 2 |
|
| 11 |
Seat Warmer Signal (High) - Driver |
2 |
Rheostat (ILL-) |
||
| 12 |
- |
3 |
Sensor Ground |
||
| 13 |
CAN (Low) |
4 |
Battery (+) |
||
| 14 |
CAN (High) |
5 |
Tail Lamp (+) |
||
| 15 |
Blower Feedback |
6 |
Blower Common Signal (-) |
||
| 16 |
Ground |
7 |
IGN 1 |
||
| 17 |
Mode Actuator Feedback |
8 |
Ground |
Controller
...
See also:
Hazard Lamp Switch Inspection
1.
Operate the switch and check for continuity between terminals.
...
Heated Steering wheel Inpection
1.
Measure a resistance of NTC and Heated pad.
A.
NTC resistance(Black / Yellow, Black) - 10.0 kΩ ± 10%
(25°C(77°F))
...
Anchor Pretensioner (APT) Removal
1.
Disconnect the battery negative cable, and wait for at least thirty
seconds before beginning work.
2.
Remove the seat belt after pushin ...
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