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Home >> Kia >> 2008 >> Magentis 2.4 3 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Fuel System (G4KC-GSL 2.4L) >> Engine Control Module (ECM) >> Engine Control Module >> 3. ECM Terminal Input/Output Signal >> Connector [C01]
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Connector [C01]

ECM TERMINAL INPUT/OUTPUT SIGNAL

Pin Description Condition Type Level Test Result
1 Power ground Idle DC Max. 50 mV  
2 Battery voltage after ignition key supply IG OFF DC Max. 0.5V -25mV
IG ON Battery Voltage 12.57V
3 Power ground Idle DC Max. 50 mV  
4 Battery voltage after ignition key supply IG OFF DC Max. 1.0V 175mV
IG ON Battery Voltage 12.77V
5 Power ground Idle DC Max. 50 mV  
6 Battery voltage supply Always Current Below 1.0mA/1.5mA 0.095mA
DC Battery Voltage 13.22V
7 Ignition Coil (Cylinder #4) control output Idle Pulse Primary voltage: 300-400V 360V
Ignition Coil (Cylinder #1) control output ON voltage: Max. 2V 1.46V
8 Ignition shield ground Idle DC Max. 50 mV 7.33mV
9 Sensor ground Idle DC Max. 50 mV 14.46mV
10 Mass Air Flow Sensor signal input Idle Analog 0-2.0V 1.0V
3000 RPM 1.0-4.5V 2.11V
11 Throttle Position Sensor #2 signal input C.T Analog Min. 4.0V 4.3V
W.O.T 0.25-0.9V 0.73V
12 Sensor ground Idle DC Max. 50mV 7.65mV
13 Accelerator Pedal Position Sensor #2 signal input C.T Analog 0.3-0.9V 330mV
W.O.T 1.5-3.0V 1.93V
14 Sensor ground Idle DC Max. 50 mV 8.15mV
15 Engine Coolant Temperature Sensor signal input Idle DC 0.5V-4.5V 0.94V
16 Sensor ground Idle DC Max. 50 mV 9.11mV
17 Heated Oxygen Sensor (Sensor 1) signal input Engine run DC Rich: 0.6-1.0V 0.79V
Lean: 0-0.4V 0.083V
18 Intake Air Temperature Sensor signal input Idle Analog 0-5.0V 2.33V
19 Sensor ground Idle DC Max. 50 mV 9.69mV
20 Accelerator Pedal Position Sensor #1 signal input C.T Analog 0.3-0.9V 0.8V
W.O.T 4.0-4.8V 4.0V
21 Sensor ground Idle DC Max. 50 mV 8.69mV
22 Knock Sensor (KS) signal input Knocking Frequency -0.3-0.3 V  
Normal 0 V  
23 Reference Voltage (+5V) IG OFF DC Max. 0.5V 0V
IG ON 4.9-5.1V 4.93V
24 Reference Voltage (+5V) IG OFF DC Max. 0.5V 0V
IG ON 4.9-5.1V 4.93V
25 Injector (Cylinder #1) control output Idle Pulse High: Battery Voltage 14.12V
Low: Max. 1.0V 0.4V
Peak voltage: Max. 80V 54.2V
26 Injector (Cylinder #3) control output Idle Pulse High: Battery Voltage 14.2V
Low: Max. 1.0V 0.4V
Peak voltage: Max. 80V 53.8V
27 Injector (Cylinder #4) control output Idle Pulse High: Battery Voltage 14.15V
Low: Max. 1.0V 0.4V
Peak voltage: Max. 80V 54.2V
28 Injector (Cylinder #2) control output Idle Pulse High: Battery Voltage 14.1V
Low: Max. 1.0V 0.4V
Peak voltage: Max. 80V 53.8V
29 Ignition coil for Cylinder #2 (with immobilizer) Idle Pulse Primary voltage: 300-400V 342V
Ignition coil for Cylinder #3 (without immobilizer) ON voltage: Max. 2V 1.47V
30 -        
31 -        
32 -        
33 Fuel Tank Pressure Sensor signal input Idle DC 0.4-4.6V 1.61V
34 Sensor ground Idle DC Max. 50 mV 7.18mV
35 A/C pressure transducer signal input Idle DC 0.4-4.6V A/C OFF: 1.57V A/C ON: 2.17V
36 Fuel Level Sensor signal input IG ON DC 0 - Battery Voltage 1.9°
Idle
37 Sensor ground Idle DC Max. 50 mV 7.63mV
38 Heated Oxygen Sensor (Sensor 2) signal input Engine run Analog Rich: 0.6-1.0V 0.76V
Lean: 0-0.4V 0.08V
39 Sensor ground Idle DC Max. 50 mV 7.36mV
40 CVVT Oil Temperature Sensor signal input Idle Analog 0.5-4.5V 0.78V
41 Throttle Position Sensor 1 signal input C.T Analog 0.25-0.9V 0.57V
W.O.T Min. 4.0V 4.2V
42 Sensor ground Idle DC Max. 50 mV 11.27mV
43 -        
44 -        
45 -        
46 -        
47 Reference Voltage (+5V) IG OFF DC Max. 0.5V 0mV
IG ON 4.9-5.1V 4.91V
48 Reference Voltage (+5V) IG OFF DC Max. 0.5V 0mV
IG ON 4.9-5.1V 4.91V
49 -        
50 -        
51 Ignition coil for Cylinder #1 (with immobilizer) Idle Pulse Primary voltage: 300-400V 360V
Ignition coil for Cylinder #4 (without immobilizer) ON voltage: Max. 2V 1.5V
52 -        
53 Vehicle Speed Sensor signal input Engine run Pulse High: Min. 4.5V 4.79V
Low: Max. 0.5V 0V
54 Power Steering Pressure Switch signal input S/W ON DC Max. 0.5V 0V
S/W OFF Battery Voltage 12.98V
55 Wheel Speed Sensor [+] signal input Engine run (30KPH) Sine wave 15Hz: Min. 0.13V peak-to-peak  
1000Hz: Min. 0.2V peak-to-peak  
All: Max. 250V peak-to-peak  
56 Wheel Speed Sensor [-] signal input Engine run (30KPH) Sine wave 15Hz: Min. 0.13V peak-to-peak  
1000Hz: Min. 0.2V peak-to-peak  
All: Max. 250V peak-to-peak  
57 Sensor ground Idle DC Max. 50 mV 5.29mV
58 Cruise control switch signal All Release DC 4.3-4.7V  
Cruise SW Battery voltage  
Set SW 0.3-0.7V  
Resume SW 1.80-2.2V  
Cancel SW -0.2-0.2V  
59 Cruise control switch ground Idle DC Max. 50 mV  
60 A/C switch signal input A/C S/W OFF DC Max. 1.0V -0.13mV
A/C S/W ON Battery Voltage 12.47V
61 Alternator FR signal input Idle Pulse High: Battery Voltage 13.27V
Low: Max. 1.5V -125mV
62 A/C Compressor switch signal input A/C S/W OFF DC Max. 1.0V 0.125mV
A/C S/W ON Battery Voltage 12.47V
63 Fuel consumption signal output Idle Pulse High: Battery Voltage 13.87V
Low: Max. 0.5V 75mV
64 Main relay control Relay ON DC Battery Voltage 12.57V
Relay OFF Max. 1.0V 0.775V
65 Cooling fan [Low] control output Relay OFF Pulse Battery Voltage 14.27V
Relay ON Max. 1.0V 75mV
66 CVVT Oil Control Valve control output Idle Pulse High: Battery Voltage 15.07V
Low: Max. 1.0V 75mV
67 Purge Control Solenoid Valve control output Inactive Active Pulse High: Battery Voltage 13.82V
Low: Max. 1.0V 196mV
68 -        
69 Immobilizer Lamp control output Lamp OFF DC Battery Voltage 11.67V
Lamp ON Max. 2.0V 75mV
70 Fuel Pump Relay control output Relay OFF DC Battery Voltage 12.45V
Relay ON Max. 1.0V 0V
71 ETC Motor [A] control output Idle Pulse Battery Voltage 14.07V
Max. 1.0V 75mV
72 ETC Motor [B] control output Idle Pulse Battery Voltage 14.47
Max. 1.0V 475mV
73 Ignition coil for Cylinder #3 (with immobilizer) Idle Pulse Primary voltage: 300-400V 325V
Ignition coil for Cylinder #2 (without immobilizer) ON voltage: Max. 2V 1.56V
74 Brake switch signal input Release DC Battery Voltage 13.96V
Push Max. 0.5V -25mV
75 Immobilizer communication line Communication after IG ON Pulse High: Min. 8.5V
Low: Max. 3.5V		  
76 Diagnostic Data Line (K-Line) When transmitting PULSE High: Min. Vbatt * 80% 12.78V
Low: Max. Vbatt * 20% 0.56V
When receiving High: Min. Vbatt * 70% 12.78V
Low: Max. Vbatt * 30% 0V
77 CAN [High] RECESSIVE Pulse 2.0-3.0 V 2.46V
DOMINANT 2.75-4.5V 3.46V
78 CAN [Low] RECESSIVE Pulse 2.0-3.0 V 2.46V
DOMINANT 0.5-2.25V 1.46V
79 Sensor ground Idle DC Max. 50 mV 7.53mV
80 Camshaft Position Sensor signal input Idle Pulse High: +5V 4.91V
Low: Max. 0.5V 0.2V
81 Sensor ground Idle DC Max. 50 mV 7.13mV
82 Crankshaft Position Sensor signal input Idle Pulse High: +5V 4.91V
Low: Max. 0.5V 0V
83 Brake switch signal input Release DC Max. 0.5V -125mV
Push Battery Voltage 13.07V
84 Clutch Switch signal input Release DC Max. 0.5V -
Push Battery Voltage
85 Throttle Position Sensor signal (PWM) output Idle Pulse High: Battery Voltage 13.8V
Low: 0-0.5V 75mV
86 Engine Speed signal output Idle Pulse High: Battery Voltage 13.87V
Low: Max. 0.5V 75mV
Idle: 20-26 Hz 21.97 Hz
87 A/C Compressor Relay control output A/C OFF DC Battery Voltage 14.07V
A/C ON Max. 1.0V 75mV
88 Cooling fan [High] control output Relay OFF DC Battery Voltage 14.07V
Relay ON Max. 1.0V 0.075V
89 Cruise lamp control Lamp OFF DC Battery voltage  
Lamp ON Max. 1.0V  
90 Cruise set lamp control Lamp OFF DC Battery voltage  
Lamp ON Max. 1.0V  
91 Canister Close Valve control output Inactive Pulse High: Battery Voltage 13.67V
Active Low: Max. 1.0V 75mV
92 Malfunction Indicator Lamp (MIL) control output MIL OFF DC Battery Voltage 13.67V
MIL ON Max. 1.0V 75mV
93 Heated Oxygen Sensor (Sensor 1) Engine run Pulse High: Battery Voltage 14.27V
Heater control output Low: Max. 1.0V 0.28V
94 Heated Oxygen Sensor (Sensor 2) Engine run Pulse High: Battery Voltage 14.27V
Heater control output Low: Max. 1.0V 0.28V
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