Kia Cee'd: Heater / PTC Heater (Diesel Engine) Repair procedures
Operating Logic Test (Manual only)
Inspect the PTC operation with the confirmation logic below :
| 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) |
The intake and A/C button indicator will continuously flash
with an interval of 0.5 seconds.
|
| (5) |
Confirm the PTC operation by turning on the blower switch.
|
| (6) |
Each PTC relay is operated with an interval of 3 seconds.
|
| (7) |
The logic test will automatically cancelled after 30 seconds.
In addition, it can be cancelled by doing the followings :
| •
|
Select A/C or intake (recirculation) switch
|
|
|
| 2. |
Cancellation
| • |
Select A/C or intake (recirculation) switch.
|
| • |
Turn the ignition switch OFF.
|
| • |
The test cancels automatically after 30 seconds.
|
|
| 3. |
If the PTC does not operate, 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 the 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 within specification, inspect the 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 within specification, replace the
PTC heater with a new one.
|
| 1. |
Disconnect the negative (-) battery terminal.
|
| 2. |
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
|
| 3. |
Remove the driver side shower duct (A) after loosening the screw.
|
| 4. |
Disconnect the PTC heater connector (A).
|
| 5. |
Remove the PTC heater core (A) after loosening the PTC heater mounting
screws.
|
| 6. |
Install in the reverse order of removal.
|
Descriptionddd
The PTC (Positive Temperature Coefficient) heater is installed at the exit or
the backside of the heater core.
The PTC heater is an electric heater using a PTC e ...
Descriptionddd
The PTC (Positive Temperature Coefficient) heater is installed at the exit or
the backside of the heater core.
The PTC heater is an electric heater using a PTC e ...
Other information:
Kia Cee'd Service Manual: Repair procedures
Inspection
Initialization and diagnosis sequence by using diagnostic equipment
Below content summarize the procedure for A/S using Diagnostic equipment
Download Parameter
1.
Select "AFLS" menu after selecting a vehicle.
...
Kia Cee'd Service Manual: Heater Unit Components and components location
Component Location
Components
1. Heat Case (Left)
2. Heat Case (Right)
3. Separator
4. Defog Door
5. Vent Door
6. Vent Guide
7. Temp Door
8. Mode Control Actuator
9. Temperature Control Actuator (Left)
10. Temper ...
PTC Heater (Diesel Engine) Description and operation
PTC Heater (Gasoline Engine) Description and operation