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# Kia Soul EV: High Voltage Battery Control System / Battery Management System (BMS) ECU Schematic Diagrams

Kia Soul EV (PS EV) 2015-2020 Service Manual / EV Battery System / High Voltage Battery Control System / Battery Management System (BMS) ECU Schematic Diagrams

System Circuit Diagram

Connector Location

BMS ECU Connector And Terminal Function

BMS ECU Terminal Function

A Connector [B01-A] (35 Pin) - Voltage Measurement Connector

Pin no. | Description | Connected to
1 | Battery Cell [Module 8/Cell 13] Voltage Input | Battery Cell [Module 8/Cell 13]
2 | Battery Cell [Module 8/Cell 10] Voltage Input | Battery Cell [Module 8/Cell 10]
3 | Battery Cell [Module 8/Cell 7] Voltage Input | Battery Cell [Module 8/Cell 7]
4 | Battery Cell [Module 8/Cell 4] Voltage Input | Battery Cell [Module 8/Cell 4]
5 | Battery Cell [Module 7/Cell 4] Voltage Input | Battery Cell [Module 7/Cell 4]
6 | Battery Cell [Module 7/Cell 1] Voltage Input | Battery Cell [Module 7/ Cell 1]
7 | Battery Cell [Module 6/Cell 8] Voltage Input | Battery Cell [Module 6/Cell 8]
8 | Battery Cell [Module 6/Cell 5] Voltage Input | Battery Cell [Module 6/ Cell 5]
9 | Battery Cell [Module 8/Cell 14] Voltage Input | Battery Cell [Module 8/Cell 14]
10 | Battery Cell [Module 8/Cell 11] Voltage Input | Battery Cell [Module 8/Cell 11]
11 | Battery Cell [Module 8/Cell 9] Voltage Input | Battery Cell [Module 8/Cell 9]
12 | Battery Cell [Module 8/Cell 7] Voltage Input | Battery Cell [Module 8/Cell 7]
13 | Battery Cell [Module 8/Cell 5] Voltage Input | Battery Cell [Module 8/Cell 5]
14 | Battery Cell [Module 8/Cell 2] Voltage Input | Battery Cell [Module 8/Cell 2]
15 | Battery Cell [Module 8/the Lower Line Cell] Voltage Input | Battery Cell [Module 8]
16 | Battery Cell [Module 7/Cell 10] Voltage Input | Battery Cell [Module 7/Cell 10]
17 | Battery Cell [Module 7/Cell 8] Voltage Input | Battery Cell [Module 7/Cell 8]
18 | Battery Cell [Module 7/Cell 6] Voltage Input | Battery Cell [Module 7/Cell 6]
19 | Battery Cell [Module 7/Cell 5] Voltage Input | Battery Cell [Module 7/Cell5]
20 | Battery Cell [Module 7/Cell 2] Voltage Input | Battery Cell [Module 7/Cell 2]
21 | Battery Cell [Module 7/the Lower Line Cell] Voltage Input | Battery Cell [Module 7]
22 | Battery Cell [Module 6/Cell 9] Voltage Input | Battery Cell [Module 6/Cell 9]
23 | Battery Cell [Module 6/Cell 6] Voltage Input | Battery Cell [Module 6/Cell 6]
24 | - |
25 | Battery Cell [Module 8/Cell 12] Voltage Input | Battery Cell [Module 8/Cell 12]
26 | Battery Cell [Module 8/Cell 8] Voltage Input | Battery Cell [Module 8/Cell 8]
27 | Battery Cell [Module 8/Cell 6] Voltage Input | Battery Cell [Module 8/Cell6]
28 | Battery Cell [Module 8/Cell 3] Voltage Input | Battery Cell [Module 8/Cell 3]
29 | Battery Cell [Module 8/Cell 1] Voltage Input | Battery Cell [Module 8/Cell1]
30 | Battery Cell [Module 7/Cell 9] Voltage Input | Battery Cell [Module 7/Cell 9]
31 | Battery Cell [Module 7/Cell 7] Voltage Input | Battery Cell [Module 7/Cell 7]
32 | Battery Cell [Module 7/Cell 5] Voltage Input | Battery Cell [Module 7]
33 | Battery Cell [Module 7/Cell 3] Voltage Input | Battery Cell [Module 7/Cell 3]
34 | Battery Cell [Module 6/Cell 10] Voltage Input | Battery Cell [Module 6/Cell 10]
35 | Battery Cell [Module 6/Cell 7] Voltage Input | Battery Cell [Module 6/Cell 7]

B Connector [B01-B] (26 Pin) - Voltage Measurement Connector

Pin no. | Description | Connected to
1 | Battery Cell [Module 6/Cell 3] Voltage Input | Battery Cell [Module 6/Cell 3]
2 | Battery Cell [Module 6/Cell the Lower Line] Voltage Input | Battery Cell [Module 6]
3 | - | ?
4 | Battery Cell [Module 5/Cell 6] Voltage Input | Battery Cell [Module 5/Cell 6]
5 | Battery Cell [Module 5/Cell 3] Voltage Input | Battery Cell [Module 5/Cell 3]
6 | Battery Cell [Module 5/Cell the Lower Line] Voltage Input | Battery Cell [Module 5]
7 | Battery Cell [Module 6/Cell 4] Voltage Input | Battery Cell [Module 6/Cell 4]
8 | Battery Cell [Module 6/Cell 1] Voltage Input | Battery Cell [Module 6/Cell 1]
9 | - | ?
10 | Battery Cell [Module 5/Cell 13] Voltage Input | Battery Cell [Module 5/Cell 13]
11 | Battery Cell [Module 5/Cell 11] Voltage Input | Battery Cell [Module 5/Cell 11]
12 | Battery Cell [Module 5/Cell 9] Voltage Input | Battery Cell [Module 5/Cell 9]
13 | Battery Cell [Module 5/Cell 7] Voltage Input | Battery Cell [Module 5/ Cell 7]
14 | - | ?
15 | Battery Cell [Module 5/Cell 7] Voltage Input | Battery Cell [Module 5/Cell 7]
16 | Battery Cell [Module 5/Cell 4] Voltage Input | Battery Cell [Module 5/Cell 4]
17 | Battery Cell [Module 5/Cell 1] Voltage Input | Battery Cell [Module 5/Cell 1]
18 | Battery Cell [Module 6/Cell 5] Voltage Input | Battery Cell [Module 6/Cell 5]
19 | Battery Cell [Module 6/Cell 2] Voltage Input | Battery Cell [Module 6/Cell 2]
20 | Battery Cell [Module 5/Cell 14] Voltage Input | Battery Cell [Module 5/Cell 14]
21 | Battery Cell [Module 5/Cell 12] Voltage Input | Battery Cell [Module 5/Cell 12]
22 | Battery Cell [Module 5/Cell 10] Voltage Input | Battery Cell [Module 5/Cell 10]
23 | Battery Cell [Module 10/Cell 1] Voltage Input | Battery Cell [Module 10/Cell 1]
24 | - | ?
25 | Battery Cell [Module 5/Cell 5] Voltage Input | Battery Cell [Module 5/Cell 5]
26 | Battery Cell [Module 5/Cell 2] Voltage Input | Battery Cell [Module 5/Cell 2]

C Connector [B01-C] (28 Pin) - Voltage Measurement Connector

Pin no. | Description | Connected to
1 | Battery Cell [Module 4/Cell 12] Voltage Input | Battery Cell [Module 4/Cell 12]
2 | Battery Cell [Module 4/Cell 9] Voltage Input | Battery Cell [Module 4/Cell 9]
3 | Battery Cell [Module 4/Cell 7] Voltage Input | Battery Cell [Module 4/Cell 7]
4 | Battery Cell [Module 4/Cell 5] Voltage Input | Battery Cell [Module 4/Cell 5]
5 | Battery Cell [Module 3/Cell 5] Voltage Input | Battery Cell [Module 3/Cell 5]
6 | Battery Cell [Module 3/Cell 3] Voltage Input | Battery Cell [Module 3/Cell 3]
7 | Battery Cell [Module 3/Cell the Lower Line] Voltage Input | Battery Cell [Module 3]
8 | Battery Cell [Module 4/Cell 13] Voltage Input | Battery Cell [Module 4/Cell 13]
9 | Battery Cell [Module 4/Cell 10] Voltage Input | Battery Cell [Module 4/Cell 10]
10 | Battery Cell [Module 4/Cell 8] Voltage Input | Battery Cell [Module 4/Cell 8]
11 | Battery Cell [Module 4/Cell 6] Voltage Input | Battery Cell [Module 4/Cell 6]
12 | Battery Cell [Module 4/Cell 3] Voltage Input | Battery Cell [Module 4/Cell 3]
13 | Battery Cell [Module 4/Cell 1] Voltage Input | Battery Cell [Module 4/Cell 1]
14 | Battery Cell [Module 4/ the Lower Line Cell] Voltage Input | Battery Cell [Module 4]
15 | Battery Cell [Module 3/Cell 9] Voltage Input | Battery Cell [Module 3/Cell 9]
16 | Battery Cell [Module 3/Cell 7] Voltage Input | Battery Cell [Module 3/Cell 7]
17 | Battery Cell [Module 3/Cell 6] Voltage Input | Battery Cell [Module 3/Cell 6]
18 | Battery Cell [Module 3/Cell 4] Voltage Input | Battery Cell [Module 3/Cell4]
19 | Battery Cell [Module 3/Cell 1] Voltage Input | Battery Cell [Module 3/Cell1]
20 | Battery Cell [Module 4/Cell 14] Voltage Input | Battery Cell [Module 4/Cell 14]
21 | Battery Cell [Module 4/Cell 11] Voltage Input | Battery Cell [Module 4/Cell 11]
22 | Battery Cell [Module 4/Cell 7] Voltage Input | Battery Cell [Module 4/Cell 7]
23 | Battery Cell [Module 4/Cell 4] Voltage Input | Battery Cell [Module 4/Cell 4]
24 | Battery Cell [Module 4/Cell 2] Voltage Input | Battery Cell [Module 4/Cell 2]
25 | Battery Cell [Module 3/Cell 10] Voltage Input | Battery Cell [Module 3/Cell 10]
26 | Battery Cell [Module 3/Cell 8] Voltage Input | Battery Cell [Module 3/Cell 8]
27 | Battery Cell [Module 3/Cell 5] Voltage Input | Battery Cell [Module 3/Cell 5]
28 | Battery Cell [Module 3/Cell 2] Voltage Input | Battery Cell [Module 3/Cell 2]

D Connector [B01-D] (30 Pin) - Voltage Measurement Connector

Pin no. | Description | Connected to
1 | Battery Cell [Module 2/Cell 8] Voltage Input | Battery Cell [Module 2/Cell 8]
2 | Battery Cell [Module 2/Cell 5] Voltage Input | Battery Cell [Module 2/Cell 5]
3 | Battery Cell [Module 2/Cell 3] Voltage Input | Battery Cell [Module 2/Cell 3]
4 | Battery Cell [Module 2/ the Lower Line Cell] Voltage Input | Battery Cell [Module 2]
5 | Battery Cell [Module 1/Cell 5] Voltage Input | Battery Cell [Module 1/Cell 5]
6 | Battery Cell [Module 1/Cell 2] Voltage Input | Battery Cell [Module 1/Cell 2]
7 | - |
8 | Battery Cell [Module 2/Cell 9] Voltage Input | Battery Cell [Module 2/Cell 9]
9 | Battery C

##### Battery Management System (BMS) ECU Specifications

Specification ItemSpecificationRemarkC-CAN terminating resistance (?)Approx. 60Combined resistance (BMS ECU-Inverter)C-CAN terminating resistnace (?)Approx. 120BMS ECU resistance ...

##### Battery Management System (BMS) ECU Repair procedures

Inspection C-CAN Terminating Resistance Inspection (Multi Purpose Check Connector) 1. Turn the ignition OFF. 2. Measure the resistance between pins No. 20 and No. 17 of multi purpose check ...

##### Other information:

### Kia Soul EV (PS EV) 2015-2020 Service Manual: General Information

General Troubleshooting Information Before Troubleshooting 1. Check applicable fuses in the appropriate fuse/relay box. 2. Using KIA approved battery tester, check the battery condition. Check the battery for damage and clean / tight connections. (Refer to Engine Electrical System - "Batte ...

### Kia Soul EV (PS EV) 2015-2020 Service Manual: Air Ventilation Seat Control Unit Repair procedures

Removal Cushion Blower 1. Remove the front seat assembly. (Refer to Body - "Front Seat Assembly") 2. Remove the cushion blower (B) after loosening the screws and disconnecting the connector (A). Back Blower 1. Remove the front seat assembly. (Refer to Body - "Front Seat Assembly") ...
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