LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> Rio LX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal M/T] >> ECM Terminal Function >> Connector [K]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Connector [K]

Pin No. Description Connected to
1 ECM ground Chassis ground
2 ECM ground Chassis ground
3 ECM ground Chassis ground
4 Battery power (B+) Battery
5 Battery power (B+) Main Relay
6 Battery power (B+) Main Relay
7 Battery power (B+) Battery
8 Sensor ground Accelerator Position Sensor (APS)
9 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
10 -  
13 -  
15 -  
16 Sensor ground Engine Coolant Temperature Sensor (ECTS)
17 -  
18 Variable Intake Solenoid (VIS) valve control output Variable Intake Solenoid (VIS) valve
19 -  
20 A/C compressor relay control output A/C Compressor Relay
21 -  
22 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output CVVT Oil Control Valve (OCV) [Bank 1/Intake]
23 -  
24 Cooling fan relay [Low] control output Cooling Fan Relay [Low]
25 -  
26 Cooling fan relay [High] control output Cooling Fan Relay [High]
27 Fuel pump relay control output (With Immobilizer/Smart key) Fuel Pump Relay
28 -  
29 Ignition switch signal input Ignition Switch
30 Sensor ground Accelerator Position Sensor (APS)
31 Sensor ground Fuel Tank Pressure Sensor (FTPS)
32 -  
34 -  
35 -  
36 Sensor ground Rail Pressure Sensor (RPS)
37 Sensor ground A/C Pressure Transducer (APT)
38 -  
39 Alternator target voltage data signal output (COM) Alternator
40 -  
41 Start relay control output Start Relay
42 -  
43 Sensor power (+5V) Accelerator Position Sensor (APS)
44 Sensor power (+5V) Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
Camshaft Position Sensor (CMPS) [Bank 1/Intake]
45 -  
47 -  
49 -  
50 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
51 Main relay control output Main Relay
52 Sensor ground ETC Module
53 -  
54 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
55 -  
56 Intake Temperature Sensor (IATS) signal input Intake Temperature Sensor (IATS)
57 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
58 Sensor ground Knock Sensor (KS)
59 VS+ (NERNST Cell Voltage) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
60 Rc (Compensative Resistance) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
61 LIN communication signal input Battery Sensor
62 CCP - CAN [Low] Other control module, Data Link connector (DLC), Multi-purpose check connector
63 CAN [Low] Other control module, Data Link connector (DLC), Multi-purpose check connector
64 -  
65 -  
66 Sensor power (+5V) Accelerator Position Sensor (APS)
67 -  
69 -  
70 -  
71 Fuel pump relay control output (W/O Immobilizer/Smart key) Fuel Pump Relay
72 Canister Close Valve (CCV) control output (With Immobilizer/Smart key) Canister Close Valve (CCV)
73 Fuel Tank Pressure Sensor (FTPS) signal input Fuel Tank Pressure Sensor (FTPS)
74 Throttle Position Sensor (TPS) 2 signal input ETC Module
75 -  
76 Fuel Level Sensor (FLS) signal input Fuel Level Sensor (FLS)
77 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS)
78 Rail Pressure Sensor (RPS) signal input Rail Pressure Sensor (RPS)
79 Knock Sensor (KS) signal input Knock Sensor (KS)
80 VS-/IP- (Common Ground for VS, IP) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
81 Rc/Rp (Pump Cell Voltage) Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
82 Engine speed signal output Smart Key Control Module [With smart key system]
83 Immobilizer communication line Smart Key Control Module [With smart key system]
Immobilizer Module [Without smart key system]
84 CCP - CAN [High] Other control module, Data Link connector (DLC), Multi-purpose check connector
85 CAN [High] Other control module, Data Link connector (DLC), Multi-purpose check connector
86 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS)
Fuel Tank Pressure Sensor (FTPS)
87 Sensor power (+5V) A/C Pressure Transducer (APT)
Rail Pressure Sensor (RPS)
88 Sensor power (+5V) ETC Module
89 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
90 -  
91 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
92 -  
93 -  
94 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)