GM Service Manual Online
For 1990-2009 cars only

Hybrid Battery Parameter Identification

Battery 1 is located next to cooling fan assembly.

Battery 40 is located next to drive motor generator battery control module.

Batteries are wired in series starting at battery 1 negative pole.

Hybrid Battery Voltage parameter

Measures sum of battery pair

1

1¹ and 2

2

3 and 4

3

5 and 6

4

7 and 8

5

9 and 10

6

11 and 12

7

13 and 14²

8

15 and 16

9

17 and 18

10

19 and 20

11

21 and 22

12

23 and 24

13

25 and 26

14

27³ and 28

15

29 and 30

16

31 and 32

17

33 and 34

18

35 and 36

19

37 and 38

20

39 and 40*

¹Location of battery temperature sensor 1

²Location of battery temperature sensor 2

³Location of battery temperature sensor 3

*Location of battery temperature sensor 4