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

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

Inspection

1.	Turn the ignition switch OFF.

2.	Shut off the high voltage. (Refer to Battery Control System - "High Voltage Shut-off Prcedure")

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) to the vehicle as shown in the image below.

6.	Connect the GDS to DLC.

7.	Turn the ignition switch ON.

8.	Check the "Battery Pack Current" in the GDS service data.

Check voltage for each current.

Current (A)	Output Voltage (V)
-400(Charge)	0.5
-200 (Charge)	1.5
0	2.5
200 (Discharge)	3.5
+400 (Discharge)	4.5

10.

Measure the voltage between pins No. 12 (Sensor output) and No. 26 (Sensor ground) of BMS ECU E connector.

Specification : About 2.5V ± 0.1V

11.

Measure the voltage between pins No. 1 (Sensor power) and No. 26 (Sensor ground) of BMS ECU E connector.

Specification : Approx. 5V ± 0.1V

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

Battery Current Sensor Schematic Diagrams

Systerm Circuit Diagram With High Voltage Battery Heater System Without High Voltage Battery Heater System Circuit Diagram Without High Voltage Battery Heater System With High Voltage Bat ...

Safety Plug Description and Operation

Description Safety Plug is installed on the bottom of the rear seat. High voltage circuit can be shut off by removing the safety plug. ...

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