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 ...

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