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Home >> Kia >> 2009 >> Optima EX, 2.7 4 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 2.7L >> Engine Control Module (ECM) >> Specifications >> ECM Terminal And Input/Output Signal >> ECM Terminal Function

ECM Terminal Function

Connector [C201-A] 

ECM CONNECTOR PIN REFERENCE CHART

Pin No. Description Connected to
1 2nd CAN [High] Multi-Purpose Check Connector
2 2nd CAN [Low] Multi-Purpose Check Connector
3 -  
4 -  
5 -  
6 -  
7 -  
8 -  
9 -  
10 Power Steering Switch signal input Power Steering Switch
11 -  
12 -  
13 -  
14 -  
15 Alternator load signal input Alternator
16 Ground Cruise Control Switch
17 Sensor ground Fuel Tank Pressure Sensor (FTPS)
18 A/C Switch "ON" signal input A/C Control Module
19 -  
20 -  
21 Brake Switch 2 signal input Brake Switch
22 -  
23 Brake Switch 1 signal input Brake Switch
24 -  
25 Cruise Control Switch signal input Cruise Control Switch
26 A/C Thermal Switch signal input A/C Thermal Switch
27 -  
28 Fuel Tank Pressure Sensor (FTPS) signal input Fuel Tank Pressure Sensor (FTPS)
29 Fuel Level Sensor (FLS) signal input Fuel Level Sensor (FLS)
30 -  
31 -  
32 A/C Pressure Transducer (APT) signal input A/C Pressure Transducer (APT)
33 Sensor ground A/C Pressure Transducer (APT)
34 -  
35 -  
36 -  
37 Canister Close Valve (CCV) control output Canister Close Valve (CCV)
38 Battery power (B+) Main Relay
39 Battery power (B+) Main Relay
40 Battery power (B+) Main Relay
41 CAN [High] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
42 CAN [Low] Other control module, Data Link Connector (DLC), Multi-Purpose Check Connector
43 Main Relay control output Main Relay
44 Intake Air Temperature Sensor (IATS) signal input Intake Air Temperature Sensor (IATS)
45 Immobilizer Communication Line Immobilizer Control Module
46 -  
47 Mass Air Flow Sensor (MAFS) signal input Mass Air Flow Sensor (MAFS)
48 Sensor ground Accelerator Position Sensor (APS) 2
49 Accelerator Position Sensor (APS) 2 signal input Accelerator Position Sensor (APS) 2
50 -  
51 Cruise "SET" Lamp control output Cruise "SET" Lamp
52 Vehicle speed signal input ABS/ESP Control Module
53 Sensor ground Intake Air Temperature Sensor (IATS)
54 Accelerator Position Sensor (APS) 1 signal input Accelerator Position Sensor (APS) 1
55 Sensor ground Accelerator Position Sensor (APS) 1
56 Sensor power (+5V) Fuel Tank Pressure Sensor (FTPS)
57 Sensor power (+5V) Accelerator Position Sensor (APS) 2
58 Sensor power (+5V) A/C Pressure Transducer (APT)
59 Sensor power (+5V) Accelerator Position Sensor (APS) 1
60 -  
61 Engine speed signal output Cluster (Tachometer)
62 Fuel consumption signal output Trip Computer
63 Malfunction Indicator Lamp (MIL) control output Malfunction Indicator Lamp (MIL)
64 A/C Compressor Relay control output A/C Compressor Relay
65 Cooling Fan Relay [Low] control output Cooling Fan Relay [Low]
66 Cooling Fan Relay [High] control output Cooling Fan Relay [High]
67 -  
68 -  
69 Cruise "MAIN" Lamp control output Cruise "MAIN" Lamp
70 Fuel Pump Relay control output [Without Immobilizer] Fuel Pump Relay
Variable Intake Solenoid (VIS) Valve control output [With Immobilizer] Variable Intake Solenoid (VIS) Valve
71 Variable Intake Solenoid (VIS) Valve control output [Without Immobilizer] Variable Intake Solenoid (VIS) Valve
Fuel Pump Relay control output [With Immobilizer] Fuel Pump Relay
72 Immobilizer Lamp control output Immobilizer Lamp
73 -  
74 -  
75 -  
76 -  
77 -  
78 Purge Control Solenoid Valve (PCSV) control output Purge Control Solenoid Valve (PCSV)
79 -  
80 -  

Connector [C201-B] 

ECM CONNECTOR PIN REFERENCE CHART

Pin No. Description Connected to
1 ETC Motor [-] control output ETC Motor
2 ETC Motor [+] control output ETC Motor
3 -  
4 CVVT Oil Temperature Sensor (OTS) signal input CVVT Oil Temperature Sensor (OTS)
5 -  
6 -  
7 Engine Coolant Temperature Sensor (ECTS) signal input Engine Coolant Temperature Sensor (ECTS)
8 Manifold Absolute Pressure Sensor (MAPS) signal input Manifold Absolute Pressure Sensor (MAPS)
9 -  
10 -  
11 Sensor power (+5V) Manifold Absolute Pressure Sensor (MAPS)
12 Battery power (B+) Ignition Switch
13 Sensor power (+5V) Throttle Position Sensor (TPS) 2
14 Sensor ground Throttle Position Sensor (TPS) 1
15 Sensor power (+5V) Camshaft Position Sensor (CMPS) [Bank 2]
16 Sensor power (+5V) Throttle Position Sensor (TPS) 1
17 Sensor ground Camshaft Position Sensor (CMPS) [Bank 2]
18 Sensor ground Camshaft Position Sensor (CMPS) [Bank 1]
19 Ignition Coil (Cylinder #6) control output Ignition Coil (Cylinder #6)
20 -  
21 Crankshaft Position Sensor (CKPS) [High] signal input Crankshaft Position Sensor (CKPS)
22 -  
23 Sensor Shield Knock Sensor (KS) #1 [Bank 1]
Knock Sensor (KS) #2 [Bank 2]
24 Camshaft Position Sensor (CMPS)[Bank 2] signal input Camshaft Position Sensor (CMPS) [Bank 2]
25 Camshaft Position Sensor (CMPS)[Bank 1] signal input Camshaft Position Sensor (CMPS) [Bank 1]
26 -  
27 -  
28 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
29 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
30 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
31 Sensor ground Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
32 Sensor power (+5V) Camshaft Position Sensor (CMPS) [Bank 1]
33 Sensor ground Engine Coolant Temperature Sensor (ECTS)
34 Sensor ground Manifold Absolute Pressure Sensor (MAPS)
CVVT Oil Temperature Sensor (OTS)
35 Power ground Chassis Ground
36 Power ground Chassis Ground
37 Power ground Chassis Ground
38 Power ground Chassis Ground
39 Power ground Chassis Ground
40 Ignition Coil (Cylinder #4) control output Ignition Coil (Cylinder #4)
41 Crankshaft Position Sensor (CKPS) [Low] signal input Crankshaft Position Sensor (CKPS)
42 -  
43 -  
44 -  
45 -  
46 -  
47 -  
48 Throttle Position Sensor (TPS) 1 signal input Throttle Position Sensor (TPS) 1
49 Heated Oxygen Sensor (HO2S)[Bank 1/Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
50 Heated Oxygen Sensor (HO2S)[Bank 1/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
51 Heated Oxygen Sensor (HO2S)[Bank 2/Sensor 1] signal input Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
52 Heated Oxygen Sensor (HO2S)[Bank 2/Sensor 2] signal input Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
53 Knock Sensor (KS) [Bank 2] [High] signal input Knock Sensor (KS) [Bank 2]
54 Knock Sensor (KS) [Bank 2] [Low] signal input Knock Sensor (KS) [Bank 2]
55 Knock Sensor (KS) [Bank 1] [Low] signal input Knock Sensor (KS) [Bank 1]
56 Knock Sensor (KS) [Bank 1] [High] signal input Knock Sensor (KS) [Bank 1]
57 Throttle Position Sensor (TPS) 2 signal input Throttle Position Sensor (TPS) 2
58 Sensor ground Throttle Position Sensor (TPS) 2
59 -  
60 Ignition Coil (Cylinder #2) control output Ignition Coil (Cylinder #2)
61 CVVT Oil Control Valve (OCV)[Bank 2/Intake] control output CVVT Oil Control Valve (OCV) [Bank 2/Intake]
62 CVVT Oil Control Valve (OCV)[Bank 1/Intake] control output CVVT Oil Control Valve (OCV) [Bank 1/Intake]
63 Injector (Cylinder #2) control output Injector (Cylinder #2)
64 Injector (Cylinder #3) control output Injector (Cylinder #3)
65 -  
66 -  
67 Heated Oxygen Sensor (HO2S)[Bank 2/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1]
68 Injector (Cylinder #4) control output Injector (Cylinder #4)
69 Injector (Cylinder #5) control output Injector (Cylinder #5)
70 Heated Oxygen Sensor (HO2S)[Bank 1/Sensor 1] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1]
71 Injector (Cylinder #6) control output Injector (Cylinder #6)
72 Injector (Cylinder #1) control output Injector (Cylinder #1)
73 Heated Oxygen Sensor (HO2S)[Bank 2/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2]
74 Heated Oxygen Sensor (HO2S)[Bank 1/Sensor 2] Heater control output Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2]
75 -  
76 Battery power (B+) Battery
77 Ignition Coil (Cylinder #3) control output Ignition Coil (Cylinder #3)
78 Ignition Coil (Cylinder #5) control output Ignition Coil (Cylinder #5)
79 Ignition Coil (Cylinder #1) control output Ignition Coil (Cylinder #1)
80 -