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Home >> Kia >> 2020 >> Cadenza Technology >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> Connector [K]
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Connector [K]

Pin No. Description Connected to
1 ECM ground Chassis ground
2 ECM ground Chassis ground
3 Battery power (B+) Main Relay
4 ECM ground Chassis ground
5 Battery power (B+) Main Relay
6 Battery power (B+) Main Relay
7 -  
8 -  
9 -  
10 -  
11 -  
12 -  
13 Sensor ground A/C Pressure Transducer (APT)
14 Immobilizer communication line Immobilizer Control Module
15 Fuel Level Sender (FLS) signal input [Fuel pump] Fuel Level Sender (FLS)
16 -  
17 -  
18 -  
19 -  
20 Sensor power (+5V) Accelerator Position Sensor (APS) 1
21 Main Relay control output Main Relay
22 -  
23 -  
24 -  
25 -  
26 -  
27 -  
28 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
29 Fuel Tank Pressure Sensor (FTPS) Signal input Fuel Tank Pressure Sensor (FTPS)
30 -  
31 -  
32 Fuel Level Sender (FLS) signal input [Sub Fuel Sender] Sub Fuel Level Sender
33 Fuel Pump Relay control output Fuel Pump Relay
34 Sensor power (+5V) Fuel Tank Pressure Sensor (FTPS)
35 Sensor power (+5V) A/C Pressure Transducer (APT)
36 Sensor power (+5V) Accelerator Position Sensor (APS) 2
37 -  
38 Vehicle speed signal input VDC control module
39 -  
40 -  
41 Start signal input Start Relay
42 -  
43 -  
44 -  
45 Sensor ground Fuel Tank Pressure Sensor (FTPS)
46 -  
47 Sensor ground Accelerator Position Sensor (APS) 2
48 -  
49 Brake Switch [Test] signal input Brake Switch
50 -  
51 -  
52 Sensor ground Accelerator Position Sensor (APS) 1
53 -  
54 -  
55 -  
56 -  
57 -  
58 -  
59 -  
60 P-CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
61 -  
62 -  
63 -  
64 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
65 -  
66 -  
67 -  
68 -  
69 LIN (Local Interconnect Network) Serial Bus Line Battery Sensor
70 -  
71 Cooling Fan Relay control output Cooling Fan Relay
72 Engine speed signal output Integrated Body Control Unit (IBU)
73 -  
74 -  
75 -  
76 -  
77 P-CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78 -  
79 Start Relay control output Start Relay
80 -  
81 -  
82 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
83 Brake Switch [Light] signal input Brake Switch
84 -  
85 -  
86 -  
87 -  
88 -  
89 -  
90 -  
91 Canister Close Valve (CCV) Control output Canister Close Valve (CCV)

ECM Terminal Input/Output signal 



Pin No. Description Condition Type Level
1 ECM ground Idle DC -0.3 to 0.5V
2 ECM ground Idle DC -0.3 to 0.5V
3 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
4 ECM ground Idle DC -0.3 to 0.5V
5 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
6 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
7 -      
8 -      
9 -      
10 -      
11 -      
12 -      
13 Sensor ground Idle DC Max 0.1V
14 Immobilizer communication line Transmitting DC High: Min Vbatt X 80%
Low: Max Vbatt X 20%
Receiving High: Min Vbatt X 70%
Low: Max Vbatt X 30%
15 Fuel Level Sender (FLS) signal input [Fuel Pump]      
16 -      
17 -      
18 -      
19 -      
20 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.9 → 5.1V
21 Main Relay control output Relay OFF DC Battery power
Relay ON Max 1.7V
22 -      
23 -      
24 -      
25 -      
26 -      
27 -      
28 Accelerator Position Sensor (APS) 2 signal input C.T Analog 0.29 → 0.46V
W.O.T 1.93-2.18V
29 Fuel Tank Pressure Sensor (FTPS) Signal input Idle DC 0.4 → 4.6 V
30 -      
31 -      
32 Fuel Level Sender (FLS) signal input [Sub Fuel Sender]      
33 Fuel Pump Relay control output Relay OFF DC Voltage Battery Voltage
Relay ON Max 1.0V
34 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.9 → 5.1V
35 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.9 → 5.1V
36 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.9 → 5.1V
37 -      
38 Vehicle speed signal input Vehicle Running Pulse High: Battery power
Low: Max 0.5V
Frequency: 0.7 (1 km/h) → 200 Hz (240 km/h)
Duty: 44 → 56%
39 -      
40 -      
41 Start Relay control output Relay OFF DC Battery Voltage (B+)
Relay ON -0.3 to 1.2V
42 -      
43 -      
44 -      
45 Sensor ground Idle DC Max 0.1 V
46 -      
47 Sensor ground Idle DC Max 0.1 V
48 -      
49 Brake Switch [Test] signal input Brake OFF DC Battery Voltage (B+)
Brake ON Max 0.5V
50 -      
51 -      
52 Sensor ground Idle DC Max 0.1V
53 -      
54 -      
55 -      
56 -      
57 -      
58 -      
59 -      
60 P-CAN [Low] Recessive Pulse 2.0 → 3.0V
Dominant 0.5 → 2.25V
61 -      
62 -      
63 -      
64 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.5 → 4.5V
65 -      
66 -      
67 -      
68 -      
69 LIN (Local Interconnect Network) Serial Bus Line Transmitting DC High: Min Vbatt X 80%
Low: Max Vbatt X 20%
Receiving High: Min Vbatt X 70%
Low: Max Vbatt X 30%
70 -      
71 Cooling fan Relay control output A/C ON Pulse High: Battery power
Low: Max 1.1V
72 Engine speed signal output Idle Pulse High: Battery power
Low: Max 1.1V
Frequency: 0 → 350 Hz
Duty: 47.5 → 52.5%
73 -      
74 -      
75 -      
76 -      
77 P-CAN [High] Recessive Pulse 2.0 → 3.0V
Dominant 2.75 4.5V
78 -      
79 Start Relay control output Relay OFF DC Battery power
Relay ON Max 1.1V
80 -      
81 -      
82 Accelerator Position Sensor (APS) 1 signal input C.T Analog 0.7 0.8V
W.O.T 3.85 4.35V
83 Brake Switch 1 signal input Brake OFF DC Max 0.5V
Brake ON Battery power
84 -      
85 -      
86 -      
87 -      
88 -      
89 -      
90 -      
91 Canister Close Valve (CCV) Control output Inactive Pulse High: Battery voltage (B+) Low: Max 1.0 V Vpeak: 42.0 60.0 V