LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2017 >> Tucson SE, FWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.0L >> 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 [C200-AA] 

Pin No. Description Condition Type Level
1 Injector (Cylinder #1) [High] control output Relay ON/OFF DC voltage 71V
2 Injector (Cylinder #4) [High] control output Relay ON/OFF DC voltage 71V
3 Injector (Cylinder #2) [High] control output Relay ON/OFF DC voltage 71V
4 Injector (Cylinder #3) [High] control output Relay ON/OFF DC voltage 71V
5 -      
6 -      
7 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC voltage Battery voltage
    Relay ON   Max. 1.76V
8 -      
9 -      
10 -      
11 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
    IG ON   4.9 ~ 5.1V
12 Throttle Position Sensor (TPS) 1 signal input Idle Analog 0.33 ~ 4.72V
13 Sensor ground Idle DC voltage Max. 50 mV
14 -      
15 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
    IG ON   4.9 ~ 5.1V
16 -      
17 -      
18 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
    IG ON   4.9 ~ 5.1V
19 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
    IG ON   4.9 ~ 5.1V
20 -      
21 -      
22 -      
23 -      
24 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] heater control output Relay OFF DC voltage Battery voltage
    Relay ON   Max. 1.65V
25 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] heater control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.65V
26 -      
27 -      
28 -      
29 -      
30 -      
31 -      
32 Sensor ground Idle DC voltage Max. 50 mV
33 -      
34 Throttle Position Sensor (TPS) 2 signal input Idle Analog 0.55 ~ 4.37V
35 -      
36 -      
37 -      
38 -      
39 -      
40 -      
41 Sensor ground Idle DC voltage Max. 50 mV
42 -      
43 -      
44 -      
45 -      
46 -      
47 -      
48 -      
49 Sensor ground      
50 -      
51 Alternator PWM signal output Idle Pulse High: Battery voltage
Low: Max. 1.5V
52 -      
53 Brake switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
54 Accelerator Position Sensor (APS) 1 signal input Idle Analog 0.674 ~ 4.379V
55 -      
56 Accelerator Position Sensor (APS) 2 signal input Idle Analog 0.261 ~ 2.204V
57 -      
58 -      
59 -      
60 Sensor ground   Knocking Variable
Normal Frequency
61 Knock Sensor (KS) signal input   Knocking Variable
      Normal Frequency
62 Sensor ground Idle DC voltage Max. 50 mV
63 Sensor ground Idle DC voltage Max. 50 mV
64 Injector (Cylinder #1) [Low] control output Relay OFF DC voltage 71V
    Relay ON   Max. 1.0V
65 Injector (Cylinder #4) [Low] control output Relay OFF DC voltage 71V
    Relay ON   Max. 1.0V
66 Injector (Cylinder #2) [Low] control output Relay OFF DC voltage 71V
    Relay ON   Max. 1.0V
67 Injector (Cylinder #3) [Low] control output Relay OFF DC voltage 71V
    Relay ON   Max. 1.0V
68 -      
69 -      
70 -      
71 -      
72 -      
73 -      
74 -      
75 -      
76 -      
77 Fuel Tank Pressure Sensor (FTPS) signal input Idle Analog 0.3343 ~ 0.4667V
78 Fuel Level signal input Idle Analog 0.193 ~ 4.0V
79 -      
80 -      
81 -      
82 Engine Coolant Temperature Sensor (ECTS) signal input Idle Analog 0.270 ~ 4.77V
83 VS-/IP- (Common Ground for VS, IP) Idle DC voltage Max. 50 mV
84 VS+ (NERNST Cell Voltage) Idle Analog 0 ~ 5.1V
85 Fuel Pressure Control Valve (FPCV) [High] control output Relay OFF DC voltage 16V
    Relay ON   Max. 1.0V
86 Fuel Pressure Control Valve (FPCV) [Low] control output Relay ON/OFF DC voltage 16V
87 -      
88 -      
89 -      
90 -      
91 -      
92 -      
93 -      
94 -      
95 -      
96 -      
97 -      
98 -      
99 -      
100 -      
101 -      
102 -      
103 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Engine Analog Rich: 0.6 ~ 1.0V
    Running   Lean: Max. 0.4V
104 Rc/Rp (Pump Cell Voltage) Idle Analog 0 ~ 5.1V
105 Rc (Compensative Resistance) Idle Analog 0 ~ 5.1V

Connector [C200-AK] 

Pin No. Description Condition Type Level
1 ECM ground Idle DC voltage Max. 50 mV
2 ECM ground Idle DC voltage Max. 50 mV
3 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
4 ECM ground Idle DC voltage Max. 50 mV
5 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
6 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
7 Sensor ground Idle DC voltage Max. 50 mV
8 Sensor ground Idle DC voltage Max. 50 mV
9 -      
10 Sensor ground Idle DC voltage Max. 50 mV
11 -      
12 -      
13 -      
14 -      
15 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 ~ 5.1V
16 Alternator COM signal output Idle Pulse High: Battery voltage
Low: Max. 0.6V
17 -      
18 -      
19 -      
20 Cooling fan (PWM) control output A/C ON Pulse High: Battery voltage
Low: Max. 0.5V
21 -      
22 ETC motor [-] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
23 ETC motor [+] control output Idle Pulse High: Battery voltage
Low: Max. 1.0V
24 -      
25 Sensor ground Idle DC voltage Max. 50 mV
26 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.6683 ~ 4.346V
27 Rail Pressure Sensor (RPS) signal input Idle Analog 0.43 ~ 3.46V
28 Intake Temperature Sensor (IATS) signal input Idle Analog 0.209 ~ 4.756V
29 -      
30 -      
31 -      
32 -      
33 -      
34 -      
35 -      
36 -      
37 Canister Close Valve (CCV) control output (Without Immobilizer) Active DC voltage Battery voltage
Inactive Max. 1.76V
Fuel pump relay control output (With Immobilizer) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
38 -      
39 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
40 Ignition coil (Cylinder #2) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
41 -      
42 Sensor ground Idle DC voltage Max. 50 mV
43 -      
44 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.348 ~ 4.63 V
45 -      
46 Brake Light switch signal input ON DC voltage Battery voltage
OFF Max. 2.25V
47 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
48 -      
49 -      
50 Main relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.7V
Canister Close Valve (CCV) control output (With Immobilizer) Active DC voltage Battery voltage
Inactive Max. 1.76V
51 Fuel pump relay control output (Without Immobilizer) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
52 -      
53 -      
54 -      
55 -      
56 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output Idle Pulse High: Battery voltage
Low: Max. 1.65V
57 Ignition coil (Cylinder #1) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
58 -      
59 -      
60 CAN [High] RECESSIVE Pulse 2.0 ~ 3.0V
DOMINANT 2.75 ~ 4.5V
61 Immobilizer communication line When transmitting Pulse High: Min. 8.4V (at 14V)
Low: Max. 6.44V (at 14V)
62 LIN (Local Interconnect Network) Serial Bus Line      
63 Engine RPM signal      
64 Vehicle speed signal input Idle Pulse High: Min. 5.4V
Low: Max. 2.25V
65 -      
66 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
67 Start signal input ON DC voltage Battery voltage
OFF Max. 2V
68 Ignition switch signal input IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
69 -      
70 -      
71 Start relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 2.64V
72 -      
73 -      
74 Ignition coil (Cylinder #4) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V
75 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
76 -      
77 CAN [Low] RECESSIVE Pulse 2.0 ~ 3.0V
DOMINANT 0.5 ~ 2.25V
78 Sensor ground Idle DC voltage Max. 50 mV
79 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp p: Min. 1.0V
80 Sensor ground Idle DC voltage Max. 50 mV
81 -      
82 -      
83 -      
84 -      
85 Variable Intake Solenoid (VIS) valve control output Relay OFF DC voltage Battery voltage
    Relay ON   Max. 1.65V
86 -      
87 -      
88 -      
89 -      
90 -      
91 Ignition coil (Cylinder #3) control output Idle Pulse 1st voltage: 370 ~ 430V
ON voltage: Max. 2.2V