Kia Soul EV: High Voltage Battery Control System / High Voltage Battery Heater Temperature Sensor Repair procedures

Kia Soul EV (PS EV) 2015-2020 Service Manual / EV Battery System / High Voltage Battery Control System / High Voltage Battery Heater Temperature Sensor Repair procedures

Inspection
   
High voltage battery heater temperature sensor is installed in modules No. 1 and No. 8.
1.
Turn the ignition switch OFF.
2.
Shut off the high voltage.
(Refer to Battery Control System - "High Voltage Shut-off Procedure")
3.
Remove the high voltage battery system assembly.
(Refer to High Voltage Battery System - Repair procedures - "Removal")
4.
Remove the high voltage battery pack upper case.
(Refer to High Voltage Battery System - Case - "Upper Case")
5.
Connect the SST (No: 0K918-E4100, 0K375-E4100, 0K375-E4200) as shown in the image beow.

6.
Connect the GDS to DLC.
7.
Turn the ignition switch ON.
8.
Check the "Heater Temperature" in the GDS service data.

9.
Turn the ignition switch OFF.
10.
Disconnect the SST (High voltage battery cable & BMS terminal).
11.
Check resistance for each temperature.
Temperature (°C)
Resistance (K?)
Tolerance (%)
-40
204.5
±4.0
-30
117.8
±3.5
- 20
70.34
±3.0
- 10
43.43
±2.5
0
27.63
±2.0
10
18.07
±1.6
20
12.11
±1.2
30
8.303
±1.2
40
5.813
±1.5
50
4.149
±1.9
60
3.013
±2.2
70
2.225
±2.5

Removal
   
Main Relay, Pre Charge Relay, Pre Charge Resistor, Battery Current Sensor, High Voltage Battery Heater Relay and the High Voltage Battery Heater Fuse are integrated in the Power Relay Assembly (PRA). So Refer to the removal procedure of Power Relay Assembly (PRA).
Installation
   
Main Relay, Pre Charge Relay, Pre Charge Resistor, Battery Current Sensor, High Voltage Battery Heater Relay and the High Voltage Battery Heater Fuse are integrated in the Power Relay Assembly (PRA). So Refer to the installation procedure of Power Relay Assembly (PRA).
High Voltage Battery Heater Temperature Sensor Schematic Diagrams
Circuit Diagram ...

High Voltage Battery Cooling System
...

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