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: Battery Sensor Repair procedures
Removal
1.
Open the trunk.
2.
Remove the luggage side trim [RH].
(Refer to Body - "Luggage Side Trim")
3.
Turn ignition switch OFF and disconnect the battery negative (-) terminal
(A).
...
Kia Niro (DE HEV) Owners Manual: Recommended cold tire inflation pressures
All tire pressures (including the spare) should be checked when the tires are
cold. “Cold Tires” means the vehicle has not been driven for at least three hours
or driven less than 1.6 km (one mile).
Recommended pressures must be maintained for the best ride, top vehicle handling,
and mini ...