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Kia Optima: ECM Terminal And Input/Output signal - Engine Control Module (ECM). Schematic Diagrams - Engine Control System - Engine Control/Fuel System - Kia Optima TF 2011-2024 Service ManualKia Optima: ECM Terminal And Input/Output signal

ECM Terminal Function
Connector [CHTG-AG]
Pin
No.
 Description
 Connected to
1
 Ignition Coil (Cylinder #2) control output [Without Smart Key]
 Ignition Coil (Cylinder #2)
Ignition Coil (Cylinder #3) control output [Smart Key]
 Ignition Coil (Cylinder #3)
2
 -
  
3
 -
  
4
 -
  
5
 ETC Motor [+] control output
 ETC Motor
6
 ETC Motor [-] control output
 ETC Motor
7
 -
  
8
 -
  
9
 -
  
10
 -
  
11
 -
  
12
 Sensor power (+5V)
 Electric Waste Gate Actuator (EWGA)
Rail Pressure Sensor (RPS)
A/C Pressure Transducer (APT)
Manifold Absolute Pressure Sensor (MAPS) #2
Fuel Tank Pressure Sensor (FTPS)
13
 -
  
14
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
15
 -
16
 Electric Waste Gate Actuator (EWGA) Feed beck signal
 Electric Waste Gate Actuator (EWGA)
17
 CVVT Oil Temperature Sensor (OTS) signal input
 CVVT Oil Temperature Sensor (OTS)
18
 Manifold Absolute Pressure Sensor (MAPS)#2 signal input
 Manifold Absolute Pressure Sensor (MAPS)#2
19
 -
  
20
 Fuel Tank Pressure Sensor (FTPS) signal input
 Fuel Tank Pressure Sensor (FTPS)
21
 Electric Waste Gate Actuator (EWGA) DC Motor output (-)
 Electric Waste Gate Actuator (EWGA)
22
 Ignition Coil (Cylinder #4) control output [Without Smart Key]
 Ignition Coil (Cylinder #4)
Ignition Coil (Cylinder #1) control output [Smart Key]
 Ignition Coil (Cylinder #1)
23
 -
  
24
 -
  
25
 -
  
26
 -
  
27
 -
  
28
 -
  
29
 -
  
30
 -
  
31
 -
  
32
 -
  
33
 Sensor power (+5V)
 Throttle Position Sensor (TPS) 1,2
34
 -
  
35
 Sensor ground
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
36
 -
37
 Sensor ground
 Electric Waste Gate Actuator (EWGA)
38
 -
  
39
 Rail Pressure Sensor (RPS) signal input
 Rail Pressure Sensor (RPS)
40
 -
  
41
 Sensor ground
 Fuel Tank Pressure Sensor (FTPS)
42
 Electric Waste Gate Actuator (EWGA) DC Motor output (+)
 Electric Waste Gate Actuator (EWGA)
43
 -
44
 -
  
45
 -
  
46
 -
  
47
 -
  
48
 -
  
49
 -
  
50
 -
  
51
 -
  
52
 -
  
53
 -
  
54
 Sensor ground
 Throttle Position Sensor (TPS) 1,2
55
 Sensor ground
 Accelerator Position Sensor (APS) 2
56
 Sensor ground
 Accelerator Position Sensor (APS) 1
57
 Immobilizer communication line
 Smart Key Control Module [Smart Key]
Immobilizer Control Module [Immobilizer]
58
 Sensor ground
 CVVT Oil Temperature Sensor (OTS)
59
 Intake Air Temperature Sensor (IATS) signal input
 Intake Air Temperature Sensor (IATS)
60
 Sensor ground
 Rail Pressure Sensor (RPS)
61
 Sensor ground
 Manifold Absolute Pressure Sensor (MAPS)
Intake Air Temperature Sensor (IATS)
62
 Sensor ground
 Engine Coolant Temperature Sensor (ECTS)
63
 Engine Coolant Temperature Sensor (ECTS) signal input
 Engine Coolant Temperature Sensor (ECTS)
64
 Ignition Coil (Cylinder #3) control output [Without Smart Key]
 Ignition Coil (Cylinder #3)
Ignition Coil (Cylinder #2) control output [Smart Key]
 Ignition Coil (Cylinder #2)
65
 -
  
66
 -
  
67
 -
  
68
 -
  
69
 -
  
70
 -
  
71
 -
  
72
 -
  
73
 -
  
74
 -
  
75
 Throttle Position Sensor (TPS) 2 signal input
 Throttle Position Sensor (TPS) 2
76
 Accelerator Position Sensor (APS) 2 signal input
 Accelerator Position Sensor (APS) 2
77
 Accelerator Position Sensor (APS) 1 signal input
 Accelerator Position Sensor (APS) 1
78
 -
79
 -
  
80
 Sensor ground
 A/C Pressure Transducer (APT)
81
 Sensor ground
 Manifold Absolute Pressure Sensor (MAPS) #2
82
 Manifold Absolute Pressure Sensor (MAPS) signal input
 Manifold Absolute Pressure Sensor (MAPS)
83
 Rc/Rp (Pump Cell Voltage)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
84
 VS-/IP- (Common Ground for VS, IP)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
85
 Ignition Coil (Cylinder #1) control output [Without Smart Key]
 Ignition Coil (Cylinder #1)
Ignition Coil (Cylinder #4) control output [With Smart Key]
 Ignition Coil (Cylinder #4)
86
 -
  
87
 -
  
88
 -
  
89
 -
  
90
 -
  
91
 -
  
92
 -
  
93
 -
  
94
 -
  
95
 -
  
96
 Throttle Position Sensor (TPS) 1 signal input
 Throttle Position Sensor (TPS) 1
97
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 2
98
 Sensor power (+5V)
 Accelerator Position Sensor (APS) 1
99
 -
100
 -
  
101
 A/C Pressure Transducer (APT) signal input
 A/C Pressure Transducer (APT)
102
 -
  
103
 Sensor power (+5V)
 Manifold Absolute Pressure Sensor (MAPS)
104
 Rc (Compensative Resistance)
 Heated Oxygen Sensor [Bank 1/Sensor 1]
105
 VS+ (NERNST Cell Voltage)
 Heated Oxygen Sensor [Bank 1/Sensor 1]

Connector [CHTG-BG]

Pin
No.
 Description
 Connected to
1
 ECM ground
 Chassis ground
2
 ECM ground
 Chassis ground
3
 Battery power (B+)
 Main Relay
4
 ECM ground
 Chassis ground
5
 Battery power (B+)
 Main Relay
6
 Battery power (B+)
 Main Relay
7
 -
8
 Crankshaft Position Sensor (CKPS) signal input
 Crankshaft Position Sensor (CKPS)
9
 -
  
10
 Brake Switch 2 signal input
 Brake Switch
11
 -
  
12
 -
  
13
 -
  
14
 Electrical load [wiper] signal input
 Wiper Relay
15
 Electrical load signal input (FR)
 Alternator
16
 Alternator PWM signal output (COM)
 Alternator
17
 -
18
 Cooling Fan Relay [High] control output
 Cooling Fan Relay [High]
19
 Immobilizer Lamp control output
 Immobilizer Lamp [Without Button Engine Start System]
20
 -
  
21
 -
  
22
 Injector (Cylinder #2) [High] control output
 Injector (Cylinder #2)
23
 Injector (Cylinder #2) [Low] control output
 Injector (Cylinder #2)
24
 -
25
 Sensor ground
 Crankshaft Position Sensor (CKPS)
26
 -
  
27
 Brake Switch 1 signal input
 Brake Switch
28
 -
  
29
 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input
 Camshaft Position Sensor (CMPS) [Bank 1/Intake]
30
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
31
 -
  
32
 LIN communication signal input
 Battery Sensor
33
 Cooling Fan Relay [Low] control output
 Cooling Fan Relay [Low]
34
 -
35
 -
  
36
 -
  
37
 -
38
 -
  
39
 Injector (Cylinder #3) [High] control output
 Injector (Cylinder #3)
40
 Injector (Cylinder #3) [Low] control output
 Injector (Cylinder #3)
41
 Battery power (B+)
 Ignition Switch
42
 -
  
43
 -
  
44
 Sensor shield
 Knock Sensor (KS)
45
 Sensor ground
 Knock Sensor (KS)
46
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1/Intake]
47
 Sensor ground
 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust]
48
 -
  
49
 -
  
50
 -
  
51
 -
  
52
 -
  
53
 Main Relay control output
 Main Relay
54
 -
  
55
 -
  
56
 Injector (Cylinder #4) [High] control output
 Injector (Cylinder #4)
57
 Injector (Cylinder #4) [Low] control output
 Injector (Cylinder #4)
58
 Battery power (B+)
 Battery
59
 -
60
 CAN [Low]
 Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
61
 -
  
62
 Knock Sensor (KS) signal input
 Knock Sensor (KS)
63
 Clutch Switch signal input
 Clutch Switch [M/T]
64
 -
  
65
 -
  
66
 -
  
67
 -
  
68
 -
69
 Starter Relay control output
 Starter Relay [With Smart Key]
70
 Fuel Pump Relay control output
 Fuel Pump Relay
71
 Engine speed signal output
 Smart Key Control Module
72
 RCV Control Solenoid Valve control output
 RCV Control Solenoid Valve
73
 Injector (Cylinder #1) [High] control output
 Injector (Cylinder #1)
74
 Injector (Cylinder #1) [Low] control output
 Injector (Cylinder #1)
75
 Battery power (B+)
 Battery
76
 -
77
 CAN [High]
 Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
78
 Vehicle speed signal input
 ESC Control Unit [With ESC]
79
 -
  
80
 -
  
81
 -
  
82
 Starter Control Switch signal input
 Smart Key Control Module [With Smart Key]
83
 Fuel Level Sender (FLS) signal input
 Fuel Level Sender (FLS)
84
 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output
 CVVT Oil Control Valve (OCV) [Bank 1/Exhaust]
85
 CVVT Oil Control Valve (OCV) [Bank 1/Intake] control output
 CVVT Oil Control Valve (OCV) [Bank 1/Intake]
86
 Purge Control Solenoid Valve (PCSV) control output
 Purge Control Solenoid Valve (PCSV)
87
 Canister Close Valve (CCV) control output
 Canister Close Valve (CCV)
88
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
89
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output
 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
90
 Fuel Pressure Regulator Valve [High] control output
 Fuel Pressure Regulator Valve
91
 Fuel Pressure Regulator Valve [Low] control output
 Fuel Pressure Regulator Valve

ECM Terminal Input/ Output signal
Connector [CHTG-AG]
Pin
No.
 Description
 Condition
 Type
 Level
1
 Ignition Coil (Cylinder #2) control output [Without Smart Key]
 Engine
Running
 Pulse
 Vpeak = 360 ~ 440V
Ignition Coil (Cylinder #3) control output [With Smart Key]
 125<Frequency<1,000Hz
(333Hz at idle)
2
 -
  
  
  
3
 -
See also:

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