LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2019 >> 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 >> ECM Terminal Input/Output Signal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

ECM Terminal Input/Output Signal

CONNECTOR TERMINALS REFERENCE (A)

Pin No. Description Condition Type Level
1 Ignition Coil (Cylinder #4) control output Idle Pulse Vpeak = 400V
Frequency: 0 - 58.3 Hz
2 Injector (Cylinder #3) [High] control output IG OFF Pulse 0V
IG ON Battery Voltage - 65V
3 Injector (Cylinder #5) [High] control output IG OFF Pulse 0V
IG ON Battery Voltage - 65V
4 Injector (Cylinder #1) [High] control output IG OFF Pulse 0 V
IG ON Battery Voltage - 65V
5 Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input Idle Pulse High: 3.2 - Vcc
Low: Max 0.7V
Frequency: 0 - 350 Hz
6 Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input Idle Pulse High: 3.2 - Vcc
Low: Max 0.7V
Frequency: 0 - 350 Hz
7 Throttle Position Sensor (TPS) 2 signal input C.T Analog Min 4.0V
W.O.T 0.25 - 0.9V
8 - - - -
9 Rail Pressure Sensor (RPS) signal input Idle DC Voltage 1.0 - 2.0V
10 CVVT Oil Temperature Sensor (OTS) signal input IG ON Analog 3.2V (-40°C)
0.1V (150°C)
11 - - - -
12 - - - -
13 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
14 - - - -
15 - - - -
16 - - - -
17 - - - -
18 - - - -
19 ETC Motor [-] control output Idle PWM High: Battery power
Low: Max 1.0V
Frequency: 1, 500 - 2, 400 Hz
Duty: 0 - 98%
20 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Idle PWM High: Battery power
Low: Max 1.15V
Duty: 0 - 100%
21 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output Idle PWM High: Battery power
Low: Max 1.15V
Duty: 0 - 100%
22 Ignition Coil (Cylinder #5) control output Idle Pulse Vpeak = 400V
Frequency: 0 - 58.3 Hz
23 Injector (Cylinder #6) [High] control output IG OFF Pulse Battery Voltage - 65V
IG ON 0V
24 Injector (Cylinder #2) [High] control output IG OFF Pulse Battery Voltage - 65V
IG ON 0V
25 Injector (Cylinder #2) [High] control output IG OFF Pulse Battery Voltage - 65V
IG ON 0V
26 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: 3.2 - Vcc
Low: Max 0.7V
Frequency: 0 - 350 Hz
27 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: 3.2 - Vcc
Low: Max 0.7V
Frequency: 0 - 350 Hz
28 Intake Air Temperature Sensor (IATS) signal input IG ON Analog 3.2V (-40°C)
0.05V (125°C)
29 Sensor (MAPS) signal input IG ON Analog Approximately 4.44 V
Idle Approximately 0.75 V
30 - - - -
31 - - - -
32 - - - -
33 - - - -
34 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
35 - - - -
36 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
37 - - - -
38 Purge Control Solenoid Valve (PCSV) control output Idle PWM High: Battery power
Low: Max 1.0V
39 - - - -
40 ETC Motor [+] control output Idle PWM High: Battery power
Low: Max1.0V
Frequency: 1, 500 - 2, 400 Hz
Duty: 0 - 98%
41 - - - -
42 - - - -
43 Ignition Coil (Cylinder #1) control output Idle Pulse Vpeak = 400V
Frequency: 0 - 58.3 Hz
44 Injector (Cylinder #6) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
45 Injector (Cylinder #3) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
46 Injector (Cylinder #2) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
47 Sensor ground Idle DC Max 0.1V
48 Sensor ground Idle DC Max 0.1V
49 Sensor ground Idle DC Max 0.1V
50 - - - -
51 - - - -
52 - - - -
53 - - - -
54 Engine Coolant Temperature Sensor (ECTS) signal input IG ON Analog 3.22V (-40°C)
0.29V (125°C)
55 Sensor Shield Idle DC Max 0.1V
56 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.9 - 5.1V
57 - - - -
58 Sensor ground Idle DC Max 0.1V
59 Sensor ground Idle DC Max 0.1V
60 Variable Intake Solenoid (VIS) Valve 1 control output Idle PWM High: Battery power
Low: Max 1.1V
61 Variable Intake Solenoid (VIS) Valve 2 control output Idle PWM High: Battery power
Low: Max 1.1V
62 - - - -
63 - - - -
64 Ignition Coil (Cylinder #2) control output Engine running Pulse Vpeak = 360 - 440V
Frequency: 125 - 1, 000 Hz
(Idle: 333 Hz)
65 Injector (Cylinder #1) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
66 Injector (Cylinder #4) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
67 Injector (Cylinder #5) [Low] control output IG OFF Pulse Battery Voltage - 65V
IG ON Max 5.0V
68 Crankshaft Position Sensor (CKPS) [High] signal input Idle SINE WAVE Vp_p: 0.4 - 200 V
Frequency: 55 - 7, 000 Hz
69 Crankshaft Position Sensor (CKPS) [Low] signal input Idle SINE WAVE Vp_p: 0.4 - 200 V
Frequency: 55 - 7, 000 Hz
70 - - - -
71 - - - -
72 Oil pressure switch signal input - - -
73 - - - -
74 - - - -
75 Throttle Position Sensor (TPS) 1 signal input C.T Analog 0.25 - 0.9V
W.O.T Min 4.0V
76 Knock Sensor (KS) [Bank 1] [Low] signal input Knocking Variable Frequency -0.3 to 0.3V
Normal 0V
77 Knock Sensor (KS) [Bank 2] [Low] signal input Knocking Variable Frequency -0.3 to 0.3V
Normal 0V
78 Sensor ground Idle DC Max 0.1V
79 Rc/Rp (Pump Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max Normal+150 mV
Lean: Min Normal-150 mV
80 VS+ (NERNST Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max Normal+150 mV
Lean: Min Normal-150 mV
81 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input Rich Analog Min 0.8V
Lean Max 0.1V
82 VS+ (NERNST Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max Normal+150 mV
Lean: Min Normal-150 mV
83 Rc (Compensative Resistance) Idle Analog |Rc-Rc/Rp|: Below ± 0.1V
84 Oil Pressure Solenoid Valve control output - - -
85 Ignition Coil (Cylinder #6) control output Idle Pulse Vpeak = 400V
Frequency: 0 - 58.3 Hz
86 Ignition Coil (Cylinder #3) control output Idle Pulse Vpeak = 400V
Frequency: 0 - 58.3 Hz
87 Fuel Pressure Control Valve (FPCV) [High] control output Idle DC Voltage Battery Voltage
Max 1.0V
88 Fuel Pressure Control Valve (FPCV) [Low] control output Idle DC Voltage Battery Voltage
Max 1.0V
89 Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output Idle PWM High: Battery power
Low: Max 1.15V
Duty: 0 - 100%
90 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Idle PWM High: Battery power
Low: Max 1.15V
Duty: 0 - 100%
91 CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output Idle PWM High: Battery power
Low: Max 1.0V
Frequency = 128Hz
Duty: 0 - 100%
92 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Idle PWM High: Battery power
Low: Max 1.0V
Frequency = 128Hz
Duty: 0 - 100%
93 Variable Force Solenoid (VFS) [Bank 2/Intake] control output Idle PWM High: Battery power
Low: Max 1.0V
Frequency = 128Hz
94 Variable Force Solenoid (VFS) [Bank 1/Intake] control output Idle PWM High: Battery power
Low: Max 1.0V
Frequency = 128Hz
95 - - - -
96 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
97 Knock Sensor (KS) [Bank 1] [High] signal input Knocking Variable Frequency -0.3 to 0.3V
Normal 0V
98 Knock Sensor (KS) [Bank 2] [High] signal input Knocking Variable Frequency -0.3 to 0.3V
Normal 0V
99 Sensor ground Idle DC Max 0.1V
100 - - - -
101 Rc (Compensative Resistance) Idle - |Rc-Rc/Rp|: Below ± 0.1V
102 VS-/IP- (Common ground) Idle Analog Reference for V_IP, V_N
103 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Idle DC Rich: 0.6 - 1.0V
Lean: Max 0.4V
104 VS-/IP- (Common ground) Idle Analog Reference for V_IP, V_N
105 Rc/Rp (Pump Cell Voltage) Idle Analog Normal: 450±50 mV
Rich: Max Normal+150 mV
Lean: Min Normal-150 mV
CONNECTOR TERMINALS REFERENCE (K)

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
scientia non olet · About LEMON Manuals