1. ECM Harness Connector
2. ECM Terminal Function
Pin. | Description | Connected to |
1 | Injector (Cylinder #2) [Low] control output [Immobilizer] | Injector (Cylinder #2) |
Injector (Cylinder #6) [Low] control output [Non-Immobilizer] | Injector (Cylinder #6) |
2 | Injector (Cylinder #4) [Low] control output [Immobilizer] | Injector (Cylinder #4) |
3 | Injector (Cylinder #6) [Low] control output | Injector (Cylinder #6) [With Immobilizer] |
Injector (Cylinder #2) [Low] control output | Injector (Cylinder #2) [Without Immobilizer] |
4 | Motor [-] control output | Air Control Valve (ACV) |
5 | - | |
6 | - | |
7 | - | |
8 | - | |
9 | - | |
10 | Feedback sensor power (+5V) | Variable Swirl Control Actuator |
Electric EGR Control Valve (EEGR) |
Air Control Valve (ACV) |
11 | - | |
12 | Sensor ground | Rail Pressure Sensor (RPS) |
13 | - | |
14 | EGR Cooler Bypass Solenoid Valve control output | EGR Cooler Bypass Solenoid Valve |
15 | Grow relay control output | Grow relay |
16 | Injector (Cylinder #2) [High] control output [Immobilizer] | Injector (Cylinder #2) |
Injector (Cylinder #6) [High] control output [Non-Immobilizer] | Injector (Cylinder #6) |
17 | Injector (Cylinder #4) [High] control output | Injector (Cylinder #4) |
18 | Injector (Cylinder #6) [High] control output | Injector (Cylinder #6) [With Immobilizer] |
Injector (Cylinder #2) [High] control output | Injector (Cylinder #2) [Without Immobilizer] |
19 | Motor [+] control output | Air Control Valve (ACV) |
20 | Electric VGT Control Actuator PWM signal input | Electric VGT Control Actuator |
21 | - | |
22 | - | |
23 | - | |
24 | - | |
25 | Sensor power (+5V) | Boost Pressure Sensor (BPS) |
Rail Pressure Sensor (RPS) |
DPF Differential Pressure Sensor (DPS) |
Camshaft Position Sensor (CMPS) |
26 | Feedback signal input | Variable Swirl Control Actuator |
27 | Feedback signal input | Electric EGR Control Valve (EEGR) |
28 | - | |
29 | - | |
30 | - | |
31 | Injector (Cylinder #1) [High] control output [Immobilizer] | Injector (Cylinder #1) |
Injector (Cylinder #5) [High] control output [Non-Immobilizer] | Injector (Cylinder #5) |
32 | Injector (Cylinder #3) [High] control output | Injector (Cylinder #3) |
33 | Injector (Cylinder #5) [High] control output | Injector (Cylinder #5) [With Immobilizer] |
Injector (Cylinder #1) [High] control output | Injector (Cylinder #1) [Without Immobilizer] |
34 | Motor [-] control output | Electric EGR Control Valve (EEGR) |
35 | Motor [-] control output | Variable Swirl Control Actuator |
36 | - | |
37 | Crankshaft Position Sensor (CKPS) [-] signal input | Crankshaft Position Sensor (CKPS) |
38 | Sensor ground | Camshaft Position Sensor (CMPS) |
39 | - | |
40 | Rail Pressure Sensor (RPS) signal input | Rail Pressure Sensor (RPS) |
41 | Feedback signal input | Air Control Valve (ACV) |
42 | Fuel Temperature Sensor (FTS) signal input | Fuel Temperature Sensor (FTS) |
43 | Engine Coolant Temperature Sensor (ECTS) signal input | Engine Coolant Temperature Sensor (ECTS) |
44 | Camshaft Position Sensor (CMPS) signal input | Camshaft Position Sensor (CMPS) |
45 | Rail Pressure Regulator Valve (RPRV) control output | Rail Pressure Regulator Valve (RPRV) |
46 | Injector (Cylinder #1) [Low] control output [Immobilizer] | Injector (Cylinder #1) |
Injector (Cylinder #5) [Low] control output [Non-Immobilizer] | Injector (Cylinder #5) |
47 | Injector (Cylinder #3) [Low] control output [Immobilizer] | Injector (Cylinder #3) |
48 | Injector (Cylinder #5) [Low] control output | Injector (Cylinder #5) [With Immobilizer] |
Injector (Cylinder #1) [Low] control output | Injector (Cylinder #1) [Without Immobilizer] |
49 | Motor [+] control output | Electric EGR Control Valve (EEGR) |
50 | Motor [+] control output | Variable Swirl Control Actuator |
51 | Sensor ground | Intake Temperature Sensor (IATS) #2 |
Boost Pressure Sensor (BPS) |
Crankshaft Position Sensor (CKPS) |
Engine Coolant Temperature Sensor (ECTS) |
Fuel Temperature Sensor (FTS) |
Exhaust Gas Temperature Sensor (EGTS) |
Mass Air Flow Sensor(MAFS) |
52 | Crankshaft Position Sensor (CKPS) [+] signal input | Crankshaft Position Sensor (CKPS) |
53 | Sensor ground | DPF Differential Pressure Sensor (DPS) |
Cruise control switch |
54 | Feedback sensor ground | Variable Swirl Control Actuator |
Electric EGR Control Valve (EEGR) |
Air Control Valve (ACV) |
55 | - | |
56 | - | |
57 | - | |
58 | - | |
59 | Auto recognition signal input [ESP/ FTCS] | Chassis ground |
60 | Fuel Pressure Regulator Valve (FPRV) control output | Fuel Pressure Regulator Valve (FPRV) |
Pin. | Description | Connected to |
1 | Power ground | Chassis ground |
2 | Power ground | Chassis ground |
3 | Battery power (B+) | Main Relay |
4 | Power ground | Chassis ground |
5 | Battery power (B+) | Main Relay |
6 | Battery power (B+) | Main Relay |
7 | - | |
8 | Sensor ground | Accelerator Pedal Position Sensor (APS) #2 |
9 | Exhaust Gas Temperature Sensor (EGTS) signal input | Exhaust Gas Temperature Sensor (EGTS) |
10 | - | |
11 | Boost Pressure Sensor (BPS) signal input | Boost Pressure Sensor (BPS) |
12 | - | |
13 | Sensor power (+5V) | Accelerator Pedal Position Sensor (APS) #1 |
14 | Sensor power (+5V) | Cruise control switch |
15 | Sensor power (+5V) | Accelerator Pedal Position Sensor (APS) #2 |
16 | - | |
17 | - | |
18 | Mass Air Flow Sensor(MAFS) signal input | Mass Air Flow Sensor(MAFS) |
19 | - | |
20 | - | |
21 | Brake [Redundant] switch signal input | Brake switch |
22 | Feedback signal input | EVGT control actuator |
23 | Reference Frequency | Mass Air Flow Sensor(MAFS) |
24 | Thermo switch signal input | A/C Dual pressure switch |
25 | - | |
26 | - | |
27 | PTC Heater Relay control output | PTC Heater Relay |
28 | - | |
29 | - | |
30 | - | |
31 | - | |
32 | - | |
33 | Blower switch signal input | Heater control module |
34 | DPF Differential Pressure Sensor (DPS) signal input | DPF Differential Pressure Sensor (DPS) |
35 | - | |
36 | - | |
37 | - | |
38 | Immobilizer ground | Immobilizer control module |
39 | - | |
40 | - | |
41 | - | |
42 | - | |
43 | DPF auto recognition | Chassis ground |
44 | - | |
45 | Brake main switch signal input | Brake switch |
46 | - | |
47 | Immobilizer warning lamp control output | Immobilizer warning lamp (Cluster) |
48 | - | |
49 | A/C relay control output | A/C relay |
50 | Malfunction Indicator Lamp (MIL) control output | Malfunction Indicator Lamp (MIL) |
51 | - | |
52 | Cruise control switch signal | Cruise control switch |
53 | Accelerator Pedal Position Sensor (APS) #1 signal input | Accelerator Pedal Position Sensor (APS) #1 |
54 | Accelerator Pedal Position Sensor (APS) #2 signal input | Accelerator Pedal Position Sensor (APS) #2 |
55 | Adjust current | Lambda Sensor |
56 | Virtual ground | Lambda Sensor |
57 | - | |
58 | - | |
59 | - | |
60 | Engine speed signal output | Power Distribution Module (PDM) |
61 | - | |
62 | - | |
63 | - | |
64 | A/C switch ON signal input | Heater control module |
65 | A/T auto recognition [2WD/4WD] | Chassis ground |
66 | - | |
67 | C-CAN [Low] | Other control module |
68 | C-CAN [High] | Other control module |
69 | Main Relay control output | Main Relay |
70 | Cooling Fan Relay #1 control output | Cooling Fan Relay #1 |
71 | Fuel Pump Relay control output | Fuel Pump Relay |
72 | - | |
73 | Lambda Sensor heater control output | Lambda Sensor |
74 | Sensor ground | Accelerator Pedal Position Sensor (APS) #1 |
75 | Intake Temperature Sensor (IATS) #2 signal input | Intake Temperature Sensor (IATS) #2 |
76 | Intake Temperature Sensor (IATS) #1 signal input | Intake Temperature Sensor (IATS) #1 |
77 | Pumping current | Lambda Sensor |
78 | NERNST cell voltage | Lambda Sensor |
79 | - | |
80 | - | |
81 | - | |
82 | Immobilizer communication line | Immobilizer control module |
83 | - | |
84 | - | |
85 | - | |
86 | - | |
87 | ON/ START power | Engine room Relay box |
88 | Water Sensor signal input | Water Sensor |
89 | - | |
90 | Cooling Fan Relay #2 control output | Cooling Fan Relay #2 |
91 | - | |
92 | - | |
93 | - | |
94 | - | |
3. ECM Terminal Input/output Signal
Pin | Description | Condition | Type | Level |
1 | Injector (Cylinder #2) [Low] control output | Idle | DC |  |
Injector (Cylinder #6) [Low] control output |
2 | Injector (Cylinder #4) [Low] control output | Idle | DC | |
3 | Injector (Cylinder #6) [Low] control output | Idle | DC | |
Injector (Cylinder #2) [Low] control output |
4 | Motor [-] control output | When ACV controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
5 | - | | | |
6 | - | | | |
7 | - | | | |
8 | - | | | |
9 | - | | | |
10 | Feedback sensor power (+5V) | IG Off | DC voltage | Max. 0.5V |
IG On | 5±0.1V |
11 | - | | | |
12 | Sensor ground | Idle | DC voltage | Max. 50 mV |
13 | - | | | |
14 | EGR Cooler Bypass Solenoid Valve control output | Idle | Pulse | Battery voltage |
Max. 1.0V |
15 | Grow Relay control output | | | |
16 | Injector (Cylinder #2) [High] control output | Idle | DC | |
Injector (Cylinder #6) [High] control output |
17 | Injector (Cylinder #4) [High] control output | Idle | DC | |
18 | Injector (Cylinder #6) [High] control output | Idle | DC | |
Injector (Cylinder #2) [High] control output |
19 | Motor [+] control output | When ACV controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
20 | Electric VGT Control Actuator PWM signal input | Idle | Pulse | HI : Battery voltage |
LO : Max. 0.5V |
21 | - | | | |
22 | - | | | |
23 | - | | | |
24 | - | | | |
25 | Sensor power (+5V) | IG Off | DC voltage | Max. 0.5V |
IG On | 5±0.1V |
26 | Feedback signal input | IG On (EGR Off) | DC voltage | 3.6~4.3V |
27 | Feedback signal input | Idle | DC voltage | 0.17~4.83V |
28 | - | | | |
29 | - | | | |
30 | - | | | |
31 | Injector (Cylinder #1) [High] control output | Idle | DC | |
Injector (Cylinder #5) [High] control output |
32 | Injector (Cylinder #3) [High] control output | Idle | DC | |
33 | Injector (Cylinder #5) [High] control output | Idle | DC | |
Injector (Cylinder #1) [High] control output |
34 | Motor [-] control output | When EEGR controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
35 | Motor [-] control output | When VSA controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
36 | - | | | |
37 | Crankshaft Position Sensor (CKPS) [-] signal input | Idle | SINE Wave | Vp_p: Min. 1.0V |
38 | Sensor ground | Idle | DC voltage | Max. 50 mV |
39 | - | | | |
40 | Rail Pressure Sensor (RPS) signal input | IG ON | Analog | Max. 1.0V |
Idle | 1.0 ~ 1.5 V |
3000 RPM | 1.5 ~ 3.0 V |
41 | Feedback signal input | Idle | DC voltage | 0.17~4.83V |
42 | Fuel Temperature Sensor (FTS) signal input | Idle | Analog | 0.5V ~ 4.5V |
43 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | Analog | 0.74V |
44 | Camshaft Position Sensor (CMPS) signal input | Idle | Pulse | HI : Vcc or Battery voltage |
LO : Max. 1.0V |
45 | Rail Pressure Regulator Valve (FPRV) control output | Idle | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
Frequency =0.7~1.1kHz |
46 | Injector (Cylinder #1) [Low] control output | Idle | DC | |
Injector (Cylinder #5) [Low] control output |
47 | Injector (Cylinder #3) [Low] control output | Idle | DC | |
48 | Injector (Cylinder #5) [Low] control output | Idle | DC | |
Injector (Cylinder #1) [Low] control output |
49 | Motor [+] control output | When VSA controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
50 | Motor [+] control output | When VSA controlling | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
51 | Sensor ground | Idle | DC voltage | Max. 50 mV |
52 | Crankshaft Position Sensor (CKPS) [+] signal input | Idle | SINE Wave | Vp_p: Min.1.0V |
53 | Sensor ground | Idle | DC voltage | Max. 50 mV |
54 | Feedback sensor ground | Idle | DC voltage | Max. 50 mV |
55 | - | | | |
56 | - | | | |
57 | A/C Pressure Transducer (APT) signal input | A/C On | Analog | Max. 4.8V |
58 | - | | | |
59 | Auto recognition signal input [ESP/ FTCS] | ESP/TCS | DC voltage | Max. 0.5V |
ABS | Battery voltage |
60 | Fuel Pressure Regulator Valve (FPRV) control output | Idle | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
Pin | Description | Condition | Type | Level |
1 | Power ground | Idle | DC voltage | Max. 50 mV |
2 | Battery power (B+) | Idle | DC voltage | Max. 50 mV |
3 | Battery power (B+) | IG Off | DC voltage | Max. 1.0 V |
IG On | Battery voltage |
4 | Power ground | Idle | DC voltage | Max. 50 mV |
5 | Battery power (B+) | IG Off | DC voltage | Max. 1.0 V |
IG On | Battery voltage |
6 | Battery power (B+) | IG Off | DC voltage | Max. 1.0 V |
IG On | Battery voltage |
7 | - | | | |
8 | Sensor ground | Idle | DC voltage | Max. 50 mV |
9 | Exhaust Gas Temperature Sensor (EGTS) signal input | Idle | Analog | 3.3V |
10 | - | | | |
11 | Boost Pressure Sensor (BPS) signal input | IG ON | Analog | 0.5V ~ 4.5V |
12 | - | | | |
13 | Sensor power (+5V) | IG Off | DC voltage | Max. 0.5V |
IG On | 5±0.1V |
14 | Sensor power (+5V) | IG Off | DC voltage | Max. 0.5V |
IG On | 5±0.1V |
15 | Sensor power (+5V) | IG Off | DC voltage | Max. 0.5V |
IG On | 5±0.1V |
16 | - | | | |
17 | - | | | |
18 | Mass Air Flow Sensor(MAFS) signal input | Idle | Pulse | HI : Vcc or Battery voltage |
LO : Max. 1.0V |
19 | - | | | |
20 | - | | | |
21 | Brake [Redundant] switch signal input | Release | DC voltage | Battery voltage |
Push | Max. 0.5V |
22 | Feedback signal input | Idle | Pulse | HI : Vcc or Battery voltage |
LO : Max. 1.0V |
23 | Reference Frequencyuency | Idle | Pulse | HI : Vcc or Battery voltage |
LO : Max. 1.0V |
24 | Thermo switch signal input | A/C Off | DC voltage | Max. 0.5V |
A/C On | Battery voltage |
25 | - | | | |
26 | - | | | |
27 | PTC Heater Relay control output | Relay Off | DC voltage | Battery voltage |
Relay On | Max. 1.0V |
28 | - | | | |
29 | - | | | |
30 | - | | | |
31 | - | | | |
32 | - | | | |
33 | Blower switch signal input | Blower Off | DC voltage | Battery voltage |
Blower On | Max. 1.0V |
34 | DPF Differential Pressure Sensor (DPS) signal input | Idle | Analog | 0.5V ~ 4.5V |
35 | CAN 2 [Low] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 0.5 ∼ 2.25 V |
36 | CAN 2 [High] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 2.75 ∼ 4.5 V |
37 | - | | | |
38 | Immobilizer ground | Idle | DC voltage | Max. 50 mV |
39 | - | | | |
40 | - | | | |
41 | - | | | |
42 | - | | | |
43 | DPF auto recognition | Non-DPF | DC voltage | Battery voltage |
DPF | Max. 0.5V |
44 | - | | | |
45 | Brake main switch signal input | Release | DC voltage | Max. 0.5V |
Push | Battery voltage |
46 | - | | | |
47 | Immobilizer warning lamp control output | Lamp Off | DC voltage | Battery voltage |
Lamp On | Max. 1.0V |
48 | - | | | |
49 | A/C relay control output | A/Con Off | DC voltage | Battery voltage |
A/Con On | Max. 1.0V |
50 | Malfunction Indicator Lamp (MIL) control output | Lamp Off | DC voltage | Battery voltage |
Lamp On | Max. 1.0V |
51 | - | | | |
52 | Cruise control switch signal | All Release | DC voltage | 5.0 ± 0.1 V |
Main SW | 5.0 ± 0.1 V |
Set SW | 0.5 ± 0.2 V |
Resume SW | 1.5 ± 0.2 V |
Cancel SW | 0 ± 0.2 V |
53 | Accelerator Pedal Position Sensor (APS) #1 signal input | C.T | Analog | 0.3 ~ 0.9V |
W.O.T | 4.0 ~ 4.8V |
54 | Accelerator Pedal Position Sensor (APS) #2 signal input | C.T | Analog | 0.3 ~ 0.9V |
W.O.T | 1.5 ~ 3.0V |
55 | Adjust current | ENG Run | Analog | l Rc-Rp l <0.2V |
56 | Virtual ground | ENG Run | Analog | 2.5±0.1V |
57 | - | | | |
58 | - | | | |
59 | - | | | |
60 | Engine speed signal output | | | |
61 | - | | | |
62 | - | | | |
63 | - | | | |
64 | A/C switch ON signal input | A/C SW Off | DC voltage | Max. 1.0V |
A/C SW On | Battery voltage |
65 | A/T auto recognition [2WD/4WD] | 2WD | DC voltage | Battery voltage |
4WD | Max. 0.5V |
66 | - | | | |
67 | C-CAN [Low] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 0.5 ∼ 2.25 V |
68 | C-CAN [High] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 2.75 ∼ 4.5 V |
69 | Main Relay control output | Relay Off | DC voltage | Battery voltage |
Relay On | Max. 1.0V |
70 | Cooling Fan Relay #1 control output | Relay Off | DC voltage | Battery voltage |
Relay On | Max. 1.0V |
71 | Fuel Pump Relay control output | Relay Off | DC voltage | Battery voltage |
Relay On | Max. 1.0V |
72 | - | | | |
73 | Lambda Sensor heater control output | Vehicle Run | Pulse | HI : Battery voltage |
LO : Max. 1.0V |
74 | Sensor ground | Idle | DC voltage | Max. 50 mV |
75 | Intake Temperature Sensor (IATS) #2 signal input | Idle | Analog | 1.9V |
76 | Intake Temperature Sensor (IATS) #1 signal input | Idle | Analog | 0.5V ~ 4.5V |
77 | Pumping current | ENG Run | Analog | Normal : 0 ± 500 mV |
Rich : Min. Normal - 1.5V |
Lean : Max. Normal + 1.5V |
78 | NERNST cell voltage | ENG Run | Analog | Normal : 450 ± 50 mV |
Rich : Max. Normal + 150mV |
Lean : Min. Normal - 150mV |
79 | - | | | |
80 | - | | | |
81 | - | | | |
82 | Immobilizer signal input | Communicating after IG ON | Pulse | HI : Min. 8.5V |
LO : Max. 3.5V |
83 | Neutral switch signal input | | | |
84 | - | | | |
85 | - | | | |
86 | - | | | |
87 | ON/ START power | IG Off | DC voltage | Max. 1.0 V |
IG On | Battery voltage |
88 | Water Sensor signal input | Full of Water | Analog | Battery voltage |
No Water | Max. 1V |
89 | - | | | |
90 | Cooling Fan Relay #2 control output | Relay Off | DC voltage | Battery voltage |
Relay On | Max. 1.0V |
91 | - | | | |
92 | - | | | |
93 | - | | | |
94 | - | | | |
