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Home >> Kia >> 2023 >> Sorento Plug-In Hybrid SX Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 79 (Hybrid Control System (PHEV)) >> Hybrid Control Unit (HCU) >> Schematic Diagrams

Schematic Diagrams

WARNING: This page is about a different car, the 2024 Kia Sorento. However, it is still accessible from the selected car via links, so may be relevant.
G14959399Courtesy of KIA MOTORS AMERICA, INC.
Pin Description Connected to
1 HCU Ground Chassis Ground
2 HCU Ground Chassis Ground
3 HCU Ground Chassis Ground
4 Battery Power (B+) Battery
5 Battery Power (B+) Battery
6 Battery Power (B+) Battery
7 - -
8 - -
9 - -
10 - -
11 - -
12 - -
13 - -
14 - -
15 - -
16 - -
17 - -
18 - -
19 HEV Relay Status Integrated Body Control Unit (IBU)
20 - -
21 - -
22 - -
23 - -
24 - -
25 Brake Switch 2 Signal Input Brake Switch (NC, IG1)
26 Brake Switch 1 Signal Input Brake Switch (NO, B+)
27 - -
28 - -
29 Clutch Pressure Sensor PWM Signal Input Clutch Pressure Sensor
30 Sensor Ground Clutch Pressure Sensor
31 Clutch Pressure Sensor Signal Input Clutch Pressure Sensor
32 Sensor Ground HSG Temperature Sensor
33 HSG Temperature Sensor Signal Input HSG Temperature Sensor
34 Sensor Shield HSG Temperature Sensor
35 - -
36 - -
37 - -
38 Sensor Ground Motor Temperature Sensor
39 Motor Temperature Sensor Signal Input Motor Temperature Sensor
40 Sensor Shield Motor Temperature Sensor
41 - -
42 - -
43 - -
44 - -
45 - -
46 - -
47 - -
48 - -
49 - -
50 Start Signal Input Integrated Body Control Unit (IBU)
51 - -
52 HSG Resolver (SNSR 1) HSG Resolver
53 HSG Resolver (SNSR 3) HSG Resolver
54 HSG Resolver (SNSR 2) HSG Resolver
55 HSG Resolver (SNSR 4) HSG Resolver
56 Shield HSG Resolver
57 - -
58 Motor Resolver (SNSR 1) Motor Resolver
59 Motor Resolver (SNSR 3) Motor Resolver
60 Motor Resolver (SNSR 2) Motor Resolver
61 Motor Resolver (SNSR 4) Motor Resolver
62 Shield Motor Resolver
63 - -
64 - -
65 - -
66 - -
67 Water Pump (LIN) Electric Water Pump
68 - -
69 - -
70 - -
71 - -
72 - -
73 IGN Signal Input Smart Key Unit
74 - -
75 - -
76 - -
77 HSG Resolver (+) HSG Resolver
78 HSG Resolver (-) HSG Resolver
79 - -
80 - -
81 - -
82 - -
83 Motor Resolver (+) Motor Resolver
84 Motor Resolver (-) Motor Resolver
85 - -
86 - -
87 - -
88 - -
89 - -
90 Powertrain CAN [High] Signal Input Other Control Modules
91 Powertrain CAN [Low] Signal Input Other Control Modules
92 - -
93 Hybrid CAN [High] signal input Other control modules
94 Hybrid CAN [Low] signal input Other control modules