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Home >> Kia >> 2016 >> Optima LX 1.6T >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - 1.6L - Optima (Except HEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal Input/Output Signal >> Connector [K]
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Connector [K]

Pin No. Description Condition Type Level
1 ECM ground Idle DC voltage Max. 50mV
2 ECM ground Idle DC voltage Max. 50mV
3 ECM ground Idle DC voltage Max. 50mV
4 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
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 Battery power (B+) IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
8 Sensor ground Idle DC voltage Max. 50mV
9 Accelerator Position Sensor (APS) 1 signal input Idle Analog 0.674 - 4.379 V
10 Sensor ground Idle DC voltage Max. 50mV
11 -      
12 Sensor ground Idle DC voltage Max. 50mV
13 -      
14 Throttle Position Sensor (TPS) 1 signal input Idle Analog 0.33 - 4.72 V
15 -      
16 -      
17 Fuel Level signal input Idle Analog 0.193 - 4.0V
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 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
21 -      
22 Wiper switch signal input      
23 -      
24 Alternator PWM signal output [FR] Idle Pulse High: Battery voltage
Low: Max. 1.5V
25 -      
26 -      
27 -      
28 -      
29 Ignition switch signal input IG OFF DC voltage Max. 1.0V
IG ON Battery voltage
30 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input Engine Analog Rich: 0.6 - 1.0V
Running Lean: Max. 0.4V
31 Accelerator Position Sensor (APS) 2 signal input Idle Analog 0.261 - 2.204 V
32 Sensor ground Idle DC voltage Max. 50mV
33 Sensor ground Idle DC voltage Max. 50mV
34 -      
35 Sensor ground Idle DC voltage Max. 50mV
36 Throttle Position Sensor (TPS) 2 signal input Idle Analog 0.55 - 4.37 V
37 Ambient Temperature Sensor (ATS) signal input      
38 -      
39 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
40 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
41 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
42 Sensor power (+5V) IG OFF DC voltage Max. 0.5V
IG ON 4.9 - 5.1V
43 A/C switch input      
44 A/C pressure switch      
45 A/C Pressure Transducer (APT) signal input A/C ON Analog 0.348 - 4.63 V
46 Vehicle speed signal input Idle Pulse High: Min. 5.4V
Low: Max. 2.25V
47 -      
48 -      
49 -      
50 -      
51 -      
52 VS-/IP- (Common Ground for VS, IP) Idle DC voltage Max. 50mV
53 Rc/Rp (Pump Cell Voltage) Idle Analog 0 - 5.1V
54 -      
55 Sensor ground (-) Idle DC voltage Max. 50mV
56 -      
57 Boost Pressure Sensor (BPS) signal input      
58 Rail Pressure Sensor (RPS) signal input Idle Analog 0.43 - 3.46V
59 -      
60 Start signal input ON DC voltage Battery voltage
OFF Max. 2V
61 LIN communication signal input      
62 -      
63 CAN [Low] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 0.5 - 2.25V
64 Sensor ground Idle DC voltage Max. 50mV
65 Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
66 -      
67 Crankshaft Position Sensor (CKPS) [B] signal input Idle Pulse Vp_p: Min. 1.0V
68 -      
69 -      
70 RCV control solenoid valve control output      
71 -      
72 Purge Control Solenoid Valve (PCSV) control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.76V
73 -      
74 VS+ (NERNST Cell Voltage) Idle Analog 0 - 5.1V
75 Rc (Compensative Resistance) Idle Analog 0 - 5.1V
76 Sensor ground Idle DC voltage -
77 Sensor ground Idle DC voltage Max. 50mV
78 Sensor ground Idle DC voltage Max. 50mV
79 Intake Temperature Sensor (IATS) signal input Idle Analog 0.209 - 4.756V
80 Manifold Absolute Pressure Sensor (MAPS) signal input Idle Analog 0.6683 - 4.346V
81 -      
82 -      
83 Immobilizer communication line When transmitting Pulse High: Min. 8.4V (at 14V)
Low: Max. 6.44V (at 14V)
84 -      
85 CAN [High] RECESSIVE Pulse 2.0 - 3.0V
DOMINANT 2.75 - 4.5V
86 Sensor ground (-) Idle DC voltage Max. 50mV
87 Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input Idle Pulse High: min. 4.8V
Low: Max. 0.6V
88 -      
89 Crankshaft Position Sensor (CKPS) [A] signal input Idle Pulse Vp_p: Min. 1.0V
90 Fuel pump relay control output (Smart key type) Relay OFF DC voltage Battery voltage
Relay ON Max. 1.44V
91 -      
92 -      
93 Main relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 1.7V
94 Start relay control output Relay OFF DC voltage Battery voltage
Relay ON Max. 2.64V