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Home >> Kia >> 2020 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (PHEV) >> Engine Control Module (ECM) >> Schematic Diagrams >> ECM Terminal And Input/Output Signal >> ECM Terminal Input/Output Signal >> Connector [B]
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Connector [B]

Pin No. Description Condition Type Level
1 ECM ground Idle DC -0.3 - 0.5V
2 ECM ground Idle DC -0.3 - 0.5V
3 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
4 ECM ground Idle DC -0.3 - 0.5V
5 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
6 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
7 -      
8 Flexray communication [high] signal input - - -
9 -      
10 Brake Switch [test] signal input Brake OFF DC Battery Voltage (B+)
Brake ON ax 0.5V
11 -      
12 -      
13 Electrical load signal input Lamp OFF DC Battery Voltage (B+)
Lamp ON -0.3 - 0.5V
14 Immobilizer communication line - - -
15 -      
16 Main Relay control output Relay OFF DC Battery Voltage (B+)
Relay ON -0.3 - 1.2V
17 -      
18 -      
19 -      
20 CVVT Oil Control (OCV) Valve [Bank 1/Intake] control output Idle Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 300Hz
21 -      
22 Injector (Cylinder #2) [high] control output Engine Run PWM
G13361668Courtesy of KIA MOTORS AMERICA, INC.
23 Injector (Cylinder #2) [low] control output Engine Run Pulse
G13361669Courtesy of KIA MOTORS AMERICA, INC.
24 -      
25 Flexray communication [low] signal input      
26 -      
27 Brake Switch [lamp] signal input Brake OFF DC Max 0.5V
Brake ON Battery Voltage (B+)
28 -      
29 -      
30 -      
31 -      
32 LIN communication signal input      
33 Fuel Pump Relay control output Relay OFF DC Battery Voltage (B+)
Relay ON -0.3 - 1.2V
34 -      
35 Cooling Fan PWM control output IG OFF PWM Battery Voltage (B+)
IG ON -0.3 - 1.2V
36 -      
37 -      
38 -      
39 Injector (Cylinder #3) [high] control output Engine Run PWM
G13361670Courtesy of KIA MOTORS AMERICA, INC.
40 Injector (Cylinder #3) [low] control output Engine Run Pulse
G13361671Courtesy of KIA MOTORS AMERICA, INC.
41 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
42 -      
43 -      
44 Sensor ground Idle DC -0.3 - 0.5V
45 - - - -
46 Sensor ground Idle DC -0.3 - 0.5V
47 Sensor ground Idle DC -0.3 - 0.5V
48 Sensor ground Idle DC -0.3 - 0.5V
49 -      
50 Sensor ground Idle DC -0.3 - 0.5V
51 -      
52 -      
53 -      
54 Vehicle speed signal output Engine Run Frequency Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 21Hz (Idle), 100Hz (3, 000rpm)
55 -      
56 Injector (Cylinder #4) [high] control output Engine Run PWM
G13361672Courtesy of KIA MOTORS AMERICA, INC.
57 Injector (Cylinder #4) [low] control output Engine Run Pulse
G13361673Courtesy of KIA MOTORS AMERICA, INC.
58 Heated Oxygen Sensor [Bank 1/Sensor 2] signal input Idle DC Rich: 0.6 - 1.0V
Lean: Max 0.4V
59 H-CAN [low] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
60 C-CAN [high] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
61 -      
62 -      
63 -      
64 Accelerator Position Sensor (APS) 2 signal input C.T Analog Max 1.0V
W.O.T 1.5 - 3.0V
65 Accelerator Position Sensor (APS) 1 signal input C.T Analog Max 1.0V
W.O.T Minimum 4.0V
66        
67 -      
68 -      
69 Electric Water Pump (Stand-by) - - -
70 -      
71 Purge Control Solenoid Valve (PCSV) control output Inactive Active Pulse High: Battery Voltage (B+)
Low: Max 1.0V
Vpeak: 42.0 - 60.0V
Frequency: 20Hz
72 -      
73 Injector (Cylinder #1) [high] control output Engine Run PWM
G13361674Courtesy of KIA MOTORS AMERICA, INC.
74 Injector (Cylinder #1) [low] control output Engine Run Pulse
G13361675Courtesy of KIA MOTORS AMERICA, INC.
75 Battery power (B+) IG OFF DC Max 1.0V
IG ON Battery Voltage (B+)
76 H-CAN [high] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
77 C-CAN [low] Recessive Pulse 2.0 - 3.0V
Dominant 2.75 - 4.5V
78 Vehicle speed signal input - - -
79 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
80 -      
81 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
82 Sensor power (+5V) IG OFF DC Max 0.5V
IG ON 4.75 - 5.25V
83 -      
84 Fuel Tank Level Sender - - -
85 -      
86 CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output Idle Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 300Hz
87 - - - -
88 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output Engine Run Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
89 Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output Engine Run Pulse High: Battery Voltage (B+)
Low: -0.3 - 1.0V
Frequency: 8 - 10Hz
Duty: 0 - 100%
90 Fuel Pressure Control Valve [high] Control Engine Run PWM
G13361676Courtesy of KIA MOTORS AMERICA, INC.
91 Fuel Pressure Control Valve [low] Control Engine Run PWM
G13361677Courtesy of KIA MOTORS AMERICA, INC.
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