HCU Terminal And Input/Output Signal |
Terminal Function |
Connector [C133-S]
Pin No. |
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 |
Brake Switch 2 signal input |
Brake Switch (NC, IG1) |
16 |
Brake Switch 1 signal input |
Brake Switch (NO, B+) |
17 |
- |
|
18 |
- |
|
19 |
- |
|
20 |
- |
|
21 |
- |
|
22 |
- |
|
23 |
- |
|
24 |
- |
|
25 |
- |
|
26 |
- |
|
27 |
- |
|
28 |
- |
|
29 |
- |
|
30 |
- |
|
31 |
- |
|
32 |
- |
|
33 |
- |
|
34 |
- |
|
35 |
- |
|
36 |
- |
|
37 |
- |
|
38 |
Start signal input |
Inhibitor Switch |
39 |
- |
|
40 |
- |
|
41 |
- |
|
42 |
- |
|
43 |
- |
|
44 |
- |
|
45 |
- |
|
46 |
- |
|
47 |
- |
|
48 |
- |
|
49 |
- |
|
50 |
- |
|
51 |
- |
|
52 |
- |
|
53 |
- |
|
54 |
- |
|
55 |
- |
|
56 |
- |
|
57 |
- |
|
58 |
- |
|
59 |
- |
|
60 |
- |
|
61 |
- |
|
62 |
- |
|
63 |
- |
|
64 |
- |
|
65 |
- |
|
66 |
- |
|
67 |
- |
|
68 |
- |
|
69 |
- |
|
70 |
- |
|
71 |
- |
|
72 |
- |
|
73 |
IGN signal input |
Smart Key Unit |
74 |
- |
|
75 |
L - CAN [High] |
Engine clutch Actuator |
76 |
L - CAN [Low] |
Engine clutch Actuator |
77 |
- |
|
78 |
Powertrain CAN [High] |
Other control modules |
79 |
Powertrain CAN [Low] |
Other control modules |
80 |
- |
|
81 |
Hybrid CAN [High] |
Other control modules |
82 |
Hybrid CAN [Low] |
Other control modules |
83 |
- |
|
84 |
- |
|
85 |
- |
|
86 |
- |
|
87 |
- |
|
88 |
- |
|
89 |
- |
|
90 |
- |
|
91 |
- |
|
92 |
- |
|
93 |
- |
|
94 |
- |
|
Input/Output signal |
Connector [C133-S]
Pin no. |
Description |
Condition |
Type |
Level |
1 |
HCU ground |
Always |
DC Voltage |
Max. 50mV |
2 |
HCU ground |
Always |
DC Voltage |
Max. 50mV |
3 |
HCU ground |
Always |
DC Voltage |
Max. 50mV |
4 |
Battery power (B+) |
Always |
DC Voltage |
Battery Voltage |
5 |
Battery power (B+) |
Always |
DC Voltage |
Battery Voltage |
6 |
Battery power (B+) |
Always |
DC Voltage |
Battery Voltage |
7 |
- |
|
|
|
8 |
- |
|
|
|
9 |
- |
|
|
|
10 |
- |
|
|
|
11 |
- |
|
|
|
12 |
- |
|
|
|
13 |
- |
|
|
|
14 |
- |
|
|
|
15 |
Brake Switch 2 signal input |
IG ON |
DC Voltage |
Battery Voltage |
16 |
Brake Switch 1 signal input |
Always |
DC Voltage |
Battery Voltage |
17 |
- |
|
|
|
18 |
- |
|
|
|
19 |
- |
|
|
|
20 |
- |
|
|
|
21 |
- |
|
|
|
22 |
- |
|
|
|
23 |
- |
|
|
|
24 |
- |
|
|
|
25 |
- |
|
|
|
26 |
- |
|
|
|
27 |
- |
|
|
|
28 |
- |
|
|
|
29 |
- |
|
|
|
30 |
- |
|
|
|
31 |
Sensor power (+5V) |
IG ON |
DC Voltage |
4.9 - 5.1V |
32 |
Sensor ground |
IG ON |
DC Voltage |
Max. 50mV |
33 |
Clutch Pressure Sensor (CPS) signal input |
IG ON |
Analog |
0.5 - 4.5V |
34 |
- |
|
|
|
35 |
- |
|
|
|
36 |
- |
|
|
|
37 |
- |
|
|
|
38 |
Start signal input |
IG ST |
DC Voltage |
Battery Voltage |
39 |
- |
|
|
|
40 |
- |
|
|
|
41 |
- |
|
|
|
42 |
- |
|
|
|
43 |
- |
|
|
|
44 |
- |
|
|
|
45 |
- |
|
|
|
46 |
- |
|
|
|
47 |
- |
|
|
|
48 |
- |
|
|
|
49 |
- |
|
|
|
50 |
- |
|
|
|
51 |
- |
|
|
|
52 |
- |
|
|
|
53 |
- |
|
|
|
54 |
- |
|
|
|
55 |
- |
|
|
|
56 |
- |
|
|
|
57 |
- |
|
|
|
58 |
- |
|
|
|
59 |
- |
|
|
|
60 |
- |
|
|
|
61 |
- |
|
|
|
62 |
- |
|
|
|
63 |
- |
|
|
|
64 |
- |
|
|
|
65 |
- |
|
|
|
66 |
- |
|
|
|
67 |
- |
|
|
|
68 |
- |
|
|
|
69 |
- |
|
|
|
70 |
- |
|
|
|
71 |
- |
|
|
|
72 |
- |
|
|
|
73 |
IGN signal input |
IG ON |
DC Voltage |
Battery Voltage |
74 |
- |
|
|
|
75 |
L - CAN [High] |
IG ON |
Pulse |
|
76 |
L - CAN [Low] |
IG ON |
Pulse |
|
77 |
- |
|
|
|
78 |
Powertrain CAN [High] |
IG ON |
Pulse |
Dominant:2.75 - 4.5(3.5)V Receive:2.0 - 3.0(2.5)V |
79 |
Powertrain CAN [Low] |
IG ON |
Pulse |
Receive:2.0 - 3.0(2.5)V Dominant:0.5 - 2.25(1.5)V |
80 |
- |
|
|
|
81 |
Hybrid CAN [High] |
IG ON |
Pulse |
Dominant:2.75 - 4.5(3.5)V Receive:2.0 - 3.0(2.5)V |
82 |
Hybrid CAN [Low] |
IG ON |
Pulse |
Receive:2.0 - 3.0(2.5)V Dominant:0.5 - 2.25(1.5)V |
83 |
- |
|
|
|
84 |
- |
|
|
|
85 |
- |
|
|
|
86 |
- |
|
|
|
87 |
- |
|
|
|
88 |
- |
|
|
|
89 |
- |
|
|
|
90 |
- |
|
|
|
91 |
- |
|
|
|
92 |
- |
|
|
|
93 |
- |
|
|
|
94 |
- |
|
|
|
Circuit Diagram |
Kia Niro 2017 (DE HEV) Service Manual: External AMP Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad center lower panel.
(Refer to Body - "Crash Pad Center Panel")
3.
Disconnect the external amplifier connectors (A).
...
Kia Niro (DE HEV) Owners Manual: Maintenance when trailer towing
Your vehicle will need service more often when you regularly pull a trailer.
Important items to pay particular attention to include engine oil, transaxle fluid,
axle lubricant and cooling system fluid. Brake condition is another important item
to frequently check. Each item is covered in this ...