Kia Sportage: Heater / PTC Heater Repair procedures
Operating Logic Test (Manual only)
Inspect the PTC operation by confirmation logic as follows;
| 1. |
Entering
| (1) |
Set the Floor mode and maximum heating position.
|
| (2) |
Turn off the blower switch.
|
| (3) |
Press the intake(recirculation) button 5 times or more.
|
| (4) |
\Indicators of intake and A/C button are continuously flashed
with an interval of 0.5 seconds.
|
| (5) |
Confirm the PTC operation by turn on the blower switch.
|
| (6) |
Each PTC relay is operated with an interval of 3 seconds.
|
| (7) |
The logic test will be automatically cancelled after 30 seconds.
In addition, it can be cancelled by followings;
| •
|
Select A/C or intake (recirculation) switch
|
|
|
| 2. |
Cancellation
| • |
Select A/C or intake (recirculation) switch.
|
| • |
Turn the ignition switch OFF.
|
| • |
The test is cancelled automatically after 30 seconds.
|
|
| 3. |
If the PTC is not operated, substitute with a known-good PTC heater
and check for proper operation.
If the problem is corrected, replace the PTC heater.
|
Operating Test
This test should be performed in the PTC ON conditions.
| 2. |
Check the current on wiring with a clamp multi tester.
Pattern
|
Current (A)
|
PTC 1 ON
|
0.1 ~ 33
|
PTC 2 ON
|
0.1 ~ 33
|
PTC 3 ON
|
0.1 ~ 33
|
Total
|
0.1 ~ 100
|
|
| 3. |
If the current is not specification, inspect related wiring.
|
Resistance Test
| 1. |
Turn the ignition switch OFF.
|
| 2. |
Disconnect the PTC heater connector.
|
| 3. |
Measure the resistance between terminal 1, 2, 3 of PTC heater and ground
line.
|
| 4. |
If the measured resistance is not specification, replace the PTC heater
with new one.
|
| 1. |
Disconnect the negative (-) battery terminal.
|
| 2. |
Remove the floor console side cover [LH](A).
|
| 3. |
Disconnect the PTC heater connector (A).
|
| 4. |
Remove the PTC heater core (A) after loosening the mounting screws.
|
| 5. |
Install in thje reverse order of removal.
|
Description
The PTC (Positive Temperature Coefficient) heater is installed at the exit or
the backside of heater core.
The PTC heater is an electric heater using a PTC element ...
Description
The heater unit includes mode control actuator and temperature control actuator.
Located in the heater unit, the temperature control actuator regulates the temperatur ...
Other information:
Components Location
1. ATF
filler hole (eyebolt)
2. ATF level plug
3. ATF
drain plug
...
Filter inspection
The climate control air filter should be replaced according to the maintenance
schedule.
If the vehicle is operated in severely air-polluted cities or on dusty rough
roads for a long period, it should be inspected more frequently and replaced
earlier. ...
PTC Heater Description and operation
Temperature Control Actuator Description and operation