LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Hyundai >> 2012 >> Elantra Touring GLS, Standard Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System >> Engine Control Module (ECM) >> ECM Terminal And Input/Output signal >> ECM Terminal Input/Output Signal >> Connector [CBG-K]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Connector [CBG-K]

PIN DESCRIPTION

Pin No. Description Condition Type Level Test Result
1 Power Ground Idle DC Max. 50 mV  
2 Battery voltage supply after ignition switch IG OFF DC Max. 1.0 V 1.18 mV
IG ON Battery Voltage 12.7 V
3 Power Ground Idle DC Max. 50 mV -4.37 mV
4 Battery voltage supply after main relay IG OFF DC Max. 1.0 V -5.1 mV
IG ON Battery Voltage 12.3 V
5 ECM Ground Idle DC Max. 50 mV 10.1 mV
6 Battery Power (B+) Always DC Battery Voltage 12.2 V
7 Ignition Coil (Cylinder #1, 4) control output [With Immobilizer] Idle Pulse 1st Voltage: 300 ~ 400 V 372 V
ON Voltage: Max. 2.0 V 1.6 V
Ignition Coil (Cylinder #2, 3) control output [Without Immobilizer] Idle Pulse 1st Voltage: 300 ~ 400 V 372 V
ON Voltage: Max. 2.0 V 1.6 V
8 Shield Idle DC Max. 50 mV 18.3 mV
9 Sensor ground Idle DC Max. 50 mV 18.7 mV
10 Manifold Absolute Pressure Sensor signal input IG ON DC 3.9 ~ 4.1 V 4.09 V
Idle 0.8 ~ 1.6 V 1.44 V
11 -        
12 Ground Idle DC Max. 50 mV  
13 A/C Pressure Transducer signal input Idle DC 0.4 ~ 4.6 V A/C OFF: 1.18 V
A/C ON: 1.48 V
14 Sensor ground Idle DC Max. 50 mV 13.0 mV
15 Engine Coolant Temperature Sensor signal input Idle DC 0.5 ~ 4.5 V 1.84 V
16 Sensor ground Idle DC Max. 50 mV  
17 Heated Oxygen Sensor (Sensor 1) signal input Racing Analog Rich: 0.6 ~ 1.0 V  
Lean: Max. 0.4 V  
18 Intake Air Temperature Sensor signal input Idle Analog 0 ~ 5.0 V 3.63 V
19 -        
20 -        
21 Sensor ground Idle DC Max. 50 mV  
22 Knock Sensor signal input Knocking Variable Frequency    
Normal    
23 Sensor power (+5 V) IG OFF DC Max. 0.5 V 0 V
IG ON 4.9 ~ 5.1 V 5.03 V
24 -        
25 Injector (Cylinder #1) control output Idle DC Hi: Battery Voltage 14.4 V
Lo: Max. 1.0 V 280 mV
Vpeak: Max. 80 V 48.8 V
26 Injector (Cylinder #3) control output Idle DC Hi: Battery Voltage 14.2 V
Lo: Max. 1.0 V 240 mV
Vpeak: Max. 80 V 49.0 V
27 Injector (Cylinder #4) control output Idle DC Hi: Battery Voltage 14.4 V
Lo: Max. 1.0 V 280 mV
Vpeak: Max. 80 V 48.8 V
28 Injector (Cylinder #2) control output Idle DC Hi: Battery Voltage 14.2 V
Lo: Max. 1.0 V 240 mV
Vpeak: Max. 80 V 49.0 V
29 Ignition Coil (Cylinder #1, 4) control output [With Immobilizer] Idle Pulse 1st Voltage: 300 ~ 400 V 376 V
ON Voltage: Max. 2.0 V 1.36 V
Ignition Coil (Cylinder #2, 3) control output [Without Immobilizer] Idle Pulse 1st Voltage: 300 ~ 400 V 376 V
ON Voltage: Max. 2.0 V 1.36 V
30 -        
31 -        
32 -        
33 Fuel Tank Pressure Sensor signal input Idle DC 0.4 ~ 4.6 V 2.58 V
34 Sensor ground Idle DC Max. 50 mV 16.1 mV
35 -        
36 -        
37 Sensor ground Idle DC Max. 50 mV 17.3 mV
38 Heated Oxygen Sensor (Sensor 2) signal input Racing Analog Rich: 0.6 ~ 1.0 V 640 mV
Lean: Max. 0.4 V 22 mV
39 Sensor ground Idle DC Max. 50 mV 3.14 mV
40 CVVT Oil Temperature Sensor signal input Idle Analog 0.5 ~ 4.5 V 950 mV
41 Throttle Position Sensor signal input C.T Analog 0.25 ~ 0.9 V 307 mV
W.O.T Min. 4.0 V 4.28 V
42 Sensor ground Idle DC Max. 50 mV 13.6 mV
43 -        
44 -        
45 -        
46 -        
47 Sensor power (+5 V) IG OFF DC Max. 0.5 V 2.61 mV
IG ON 4.9 ~ 5.1 V 5.04 V
48 Sensor power (+5 V) IG OFF DC Max. 0.5 V 3.16 mV
IG ON 4.9 ~ 5.1 V 5.06 V
49 -        
50 -        
51 -        
52 -        
53 Vehicle speed signal input Vehicle Run Pulse Hi: Min. 4.5 V 13.0 V
Lo: Max. 0.5 V -200 mV
54 -        
55 Wheel Speed Sensor [A] signal input Vehicle Run (30 km/h) SINE Wave 15 Hz: Min. 0.13 Vpp  
1, 000 Hz: Min 0.2 Vpp  
Overall: Max. 250 Vpp  
56 Wheel Speed Sensor [B] signal input Vehicle Run (30 km/h) SINE Wave 15 Hz: Min. 0.13 Vpp  
1, 000 Hz: Min 0.2 Vpp  
Overall: Max. 250 Vpp  
57 Sensor ground Idle DC Max. 50 mV 10 mV
58 -        
59 -        
60 A/C switch "ON" signal input A/C S/W OFF DC Max. 1.0 V 0 mV
A/C S/W ON Battery Voltage 12.8 V
61 -        
62 A/C thermal switch signal input A/C S/W OFF DC Max. 1.0 V 0 mV
A/C S/W ON Battery Voltage 12.8 V
63 Fuel consumption signal output Idle Pulse Hi: Battery Voltage 13.8 V
Lo: Max. 1.0 V 0.1 V
64 Main Relay control output Relay OFF DC Battery Voltage 12.9 V
Relay ON Max. 1.0 V 0.88 V
65 Cooling Fan Relay [Low] control output Relay OFF DC Battery Voltage 12.9 V
Relay ON Max. 1.0 V 30 mV
66 CVVT Oil Control Valve control output Idle Pulse Hi: Battery Voltage 14.8 V
Lo: Max. 1.0 V 100 mV
67 Purge Control Solenoid Valve control output Active Inactive Pulse Hi: Battery Voltage 14.2 V
Lo: Max. 1.0 V 100 mV
68 -        
69 Immobilizer lamp control output Lamp OFF DC Battery Voltage  
Lamp ON Max. 2.0 V  
70 Fuel Pump Relay control output Relay OFF DC Battery Voltage 13 V
Relay ON Max. 1.0 V 100 mV
71 -        
72 -        
73 Battery voltage supply after main relay IG OFF DC Max. 1.0 V -5.1 mV
IG ON Battery Voltage 12.3 V
74 Alternator load signal input Idle Pulse Hi: Battery Voltage 14.0 V
Lo: Max. 1.5 V 10 mV
75 Immobilizer communication line When communicating after IG ON Pulse Hi: Min. 8.5 V  
Lo: Max. 3.5 V  
76 -        
77 CAN [HIGH] RECESSIVE Pulse 2.0 ~ 3.0 V 2.55 V
DOMINANT 2.75 ~ 4.5 V 3.57 V
78 CAN [LOW] RECESSIVE Pulse 2.0 ~ 3.0 V 2.55 V
DOMINANT 0.5 ~ 2.25 V 1.44 V
79 Sensor ground Idle DC Max. 50 mV 10 mV
80 Camshaft Position Sensor signal input Idle Pulse Hi: Vcc 5.0 V
Lo: Max. 0.5 V 0.2 V
81 Sensor ground Idle DC Max. 50 mV 10 mV
82 Crankshaft Position Sensor signal input Idle Pulse Hi: Vcc 5.0 V
Lo: Max. 0.5 V 40 mV
83 -        
84 -        
85 -        
86 Engine speed signal output Idle Pulse Hi: Battery Voltage 14.0 V
Lo: Max. 0.5 V 100 mV
Freq : 20 ~ 26 Hz 21.8 Hz
87 A/C Compressor Relay control output Relay OFF DC Battery Voltage 14.1 V
Relay ON Max. 1.0 V 0.1 V
88 Cooling Fan Relay [High] control output Relay OFF DC Battery Voltage 14.1 V
Relay ON Max. 1.0 V 320 mV
89 Idle Speed Control Actuator [OPEN] control output Idle Pulse Hi: Battery Voltage 14.6 V
Lo: Max. 1.0 V 192 mV
90 Idle Speed Control Actuator [CLOSE] control output Idle Pulse Hi: Battery Voltage 14.9 V
Lo: Max. 1.0 V 248 mV
91 Canister Close Valve control output Active Inactive Pulse Hi: Battery Voltage 14.0 V
Lo: Max. 1.0 V 170 mV
92 Malfunction Indicator Lamp (MIL) control output Lamp OFF DC Battery Voltage 13 V
Lamp ON Max. 1.0 V 50 mV
93 Heated Oxygen Sensor (Sensor 1) Heater control output Engine Run Pulse Hi: Battery Voltage 14 V
Lo: Max. 1.0 V 0.3 V
94 Heated Oxygen Sensor (Sensor 2) Heater control output Engine Run Pulse Hi: Battery Voltage 14 V
Lo: Max. 1.0 V 0.3 V
scientia non olet · About LEMON Manuals