1. ECM Harness Connector
2. ECM Terminal Function
Pin | Description | Connected to |
1 | Injector (Cylinder #2) [Low] control output | Injector (Cylinder #2) |
2 | Injector (Cylinder #4) [Low] control output | Injector (Cylinder #4) |
3 | Injector (Cylinder #6) [Low] control output | Injector (Cylinder #6) |
4 | Fuel Pressure Regulator Valve control output | Fuel Pressure Regulator Valve |
5 | Rail Pressure Regulator Valve control output | Fuel Pressure Regulator Valve |
6 | - | |
7 | Intake Air Temperature Sensor (IATS) #2 signal input | Boost Pressure Sensor (BPS) |
8 | - | |
9 | - | |
10 | Fuel Temperature Sensor (FTS) signal input | Fuel Temperature Sensor(FTS) |
11 | - | |
12 | - | |
13 | - | |
14 | - | |
15 | - | |
16 | Injector (Cylinder #2) [High] control output | Injector (Cylinder #2) |
17 | Injector (Cylinder #4) [High] control output | Injector (Cylinder #4) |
18 | Injector (Cylinder #6) [High] control output | Injector (Cylinder #6) |
19 | - | |
20 | Electric VGT Control Actuator control output | Electric VGT Control Actuator |
21 | Sensor ground | Engine Coolant Temperature Sensor (ECTS) |
22 | Engine Coolant Temperature Sensor(ECTS) signal input | Engine Coolant Temperature Sensor (ECTS) |
23 | Sensor ground | Position Sensor (Variable Swirl Control Actuator) |
24 | - | |
25 | - | |
26 | Sensor power (+5V) | Boost Pressure Sensor (BPS) |
27 | Sensor power (+5V) | Rail Pressure Sensor (RPS) |
28 | Camshaft Position Sensor(CMPS) signal input | Camshaft Position Sensor (CMPS) |
29 | Sensor ground | Camshaft Position Sensor (CMPS) |
30 | - | |
31 | Injector (Cylinder #1) [High] control output | Injector (Cylinder #1) |
32 | Injector (Cylinder #3) [High] control output | Injector (Cylinder #3) |
33 | Injector (Cylinder #5) [High] control output | Injector (Cylinder #5) |
34 | - | |
35 | - | |
36 | - | |
37 | - | |
38 | - | |
39 | Sensor ground | Fuel Temperature Sensor(FTS) |
40 | Rail Pressure Sensor(RPS) signal input | Rail Pressure Sensor (RPS) |
41 | Boost Pressure Sensor(BPS) signal input | Boost Pressure Sensor (BPS) |
42 | - | |
43 | Crankshaft Position Sensor (CKPS) [-] signal input | Crankshaft Position Sensor (CKPS) |
44 | - | |
45 | - | |
46 | Injector (Cylinder #1) [Low] control output | Injector (Cylinder #1) |
47 | Injector (Cylinder #3) [Low] control output | Injector (Cylinder #3) |
48 | Injector (Cylinder #5) [Low] control output | Injector (Cylinder #5) |
49 | Motor [+] control output | Variable Swirl Control Actuator |
50 | Motor [-] control output | Variable Swirl Control Actuator |
51 | Sensor power (+5V) | Position Sensor (Variable Swirl Control Actuator) |
52 | Position Sensor signal input | Position Sensor (Variable Swirl Control Actuator) |
53 | - | |
54 | Sensor power (+5V) | Camshaft Position Sensor (CMPS) |
55 | Sensor ground | Rail Pressure Sensor (RPS) |
56 | Sensor ground | Boost Pressure Sensor (BPS) |
57 | Sensor shield | Crankshaft Position Sensor (CKPS) |
58 | Crankshaft Position Sensor (CKPS) [+] signal input | Crankshaft Position Sensor (CKPS) |
59 | - | |
60 | Electric EGR Control Valve control output | Electric EGR Control Valve |
Pin | Description | Connected to |
1 | Power ground | Chassis ground |
2 | Power ground | Chassis ground |
3 | Battery power | Main Relay |
4 | Power ground | Chassis ground |
5 | Battery power | Main Relay |
6 | Battery power | Main Relay |
7 | - | |
8 | ESP/ABS Auto Recognition signal input | ESP: Ground, ABS: Open |
9 | - | |
10 | VS-/IP- (Virtual Ground) | Lambda Sensor |
11 | VS+ (NERNST Cell Voltage) | Lambda Sensor |
12 | - | |
13 | - | |
14 | - | |
15 | Sensor power (+5V) | A/C Pressure Transducer (APT) |
16 | - | |
17 | - | |
18 | Battery power | Ignition Switch |
19 | - | |
20 | - | |
21 | - | |
22 | - | |
23 | - | |
24 | - | |
25 | Cooling Fan Relay [High] control output | Cooling Fan Relay [High] |
26 | - | |
27 | - | |
28 | - | |
29 | PTC Heater Relay control output | PTC Heater Relay |
30 | - | |
31 | - | |
32 | Rc/Rp (Pumping Cell Voltage) | Lambda Sensor |
33 | Immobilizer Communication Line | Immobilizer Control Module |
34 | - | |
35 | CAN [Low] | Other Control Modules |
36 | CAN [High] | Other Control Modules |
37 | - | |
38 | Intake Air Temperature Sensor (IATS) #1 signal input | Mass Air Flow Sensor(MAFS) |
39 | - | |
40 | Sensor Power (+5V) | Cruise Control Switch |
41 | - | |
42 | Water Sensor signal input | Water Sensor (in Fuel Filter) |
43 | Brake Switch 2 signal input | Brake Switch |
44 | Brake Switch 1 signal input | Brake Switch |
45 | Ground | Immobilizer Control Module |
46 | - | |
47 | Engine speed signal output | Tachometer (Cluster) |
48 | A/C Compressor Relay control output | A/C Compressor Relay |
49 | Main Relay control output | Main Relay |
50 | Cooling Fan Relay [Low] control output | Cooling Fan Relay [Low] |
51 | Lambda Sensor Heater control output | Lambda Sensor |
52 | - | |
53 | - | |
54 | Rc (Compensative Resistance) | Lambda Sensor |
55 | - | |
56 | - | |
57 | Accelerator Position Sensor (APS) #1 signal input | Accelerator Position Sensor (APS) #1 |
58 | Accelerator Position Sensor (APS) #2 signal input | Accelerator Position Sensor (APS) #2 |
59 | A/C Pressure Transducer (APT) signal input | A/C Pressure Transducer (APT) |
60 | Sensor power (+5V) | Accelerator Position Sensor (APS) #2 |
61 | - | |
62 | - | |
63 | - | |
64 | A/C Switch "ON" signal input | A/C Switch |
65 | A/C Pressure Switch signal input | A/C Pressure Switch |
66 | - | |
67 | - | |
68 | Fuel Pump Relay control output | Fuel Pump Relay |
69 | Immobilizer Lamp control output | Immobilizer Lamp (Cluster) |
70 | - | |
71 | Glow Time Lamp control output | Glow Time Lamp (Cluster) |
72 | Diagnosis Data Line (K-Line) | Data Link Connector (DLC), Multi-Purpose Connector |
73 | Accelerator Position Sensor signal output | EPS Control Module |
74 | Mass Air Flow Sensor(MAFS) signal input | Mass Air Flow Sensor(MAFS) |
75 | Reference Frequency | Mass Air Flow Sensor(MAFS) |
76 | - | |
77 | - | |
78 | - | |
79 | Sensor ground | Accelerator Position Sensor (APS) #1 |
80 | Sensor ground | Accelerator Position Sensor (APS) #2 |
81 | Sensor ground | Mass Air Flow Sensor(MAFS) |
82 | Sensor power (+5V) | Accelerator Position Sensor (APS) #1 |
83 | - | |
84 | Sensor ground | A/C Pressure Transducer (APT) |
85 | Thermo Switch signal input | A/C Switch |
86 | - | |
87 | - | |
88 | - | |
89 | - | |
90 | Feedback signal input | Electric VGT Control Actuator |
91 | Malfunction Indicator Lamp (MIL) control output | Malfunction Indicator Lamp (MIL) |
92 | - | |
93 | Cruise Control "ACTIVATOR" signal input | Cruise Control Switch |
94 | Ground | Cruise Control Switch |
3. ECM Terminal Input/output Signal
Pin | Description | Condition | Type | Level |
1 | Injector (Cylinder #2) [Low] control output | Engine Run | DC |  |
2 | Injector (Cylinder #4) [Low] control output |
3 | Injector (Cylinder #6) [Low] control output |
4 | Fuel Pressure Regulator Valve control output | Engine Run | PWM (120~200Hz) |  |
5 | Rail Pressure Regulator Valve control output | Engine Run | PWM (1kHz) | |
6 | - | | | |
7 | Intake Air Temperature Sensor (IATS) #2 signal input | Idle | Analog | 0.5 ~ 4.5V |
8 | - | | | |
9 | - | | | |
10 | Fuel Temperature Sensor (FTS) signal input | IG ON | Analog | 0.5 ~ 4.5V |
11 | - | | | |
12 | - | | | |
13 | - | | | |
14 | - | | | |
15 | - | | | |
16 | Injector (Cylinder #2) [High] control output | Engine Run | DC | |
17 | Injector (Cylinder #4) [High] control output |
18 | Injector (Cylinder #6) [High] control output |
19 | - | | | |
20 | Electric VGT Control Actuator control output | IG ON | PWM (250Hz) | · Engine running duty: 20~80% · Idle duty: 80% · W.O.T duty: 50% |
21 | Sensor ground | Always | DC | 0 ~ 0.5V |
22 | Engine Coolant Temperature Sensor(ECTS) signal input | Idle | Analog | 0.5 ~ 4.5V |
23 | Sensor ground | Always | DC | 0 ~ 0.5V |
24 | - | | | |
25 | - | | | |
26 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
27 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
28 | Camshaft Position Sensor(CMPS) signal input | Engine Run | Pulse | High: 4.8 ~ 5.2V |
Low: Max. 1.0V |
29 | Sensor ground | Always | DC | 0 ~ 0.5V |
30 | - | | | |
31 | Injector (Cylinder #1) [High] control output | Engine Run | DC | |
32 | Injector (Cylinder #3) [High] control output |
33 | Injector (Cylinder #5) [High] control output |
34 | - | | | |
35 | - | | | |
36 | - | | | |
37 | - | | | |
38 | - | | | |
39 | Sensor ground | Always | DC | 0 ~ 0.5V |
40 | Rail Pressure Sensor(RPS) signal input | Engine Run | Analog | 0.5 ~ 4.5V |
41 | Boost Pressure Sensor(BPS) signal input | Engine Run | Analog | 1.0 ~ 4.4V |
42 | - | | | |
43 | Crankshaft Position Sensor (CKPS) [-] signal input | Engine Run | SINE Wave | Vp_p: Min. 1.0V |
44 | - | | | |
45 | - | | | |
46 | Injector (Cylinder #1) [Low] control output | Engine Run | DC | |
47 | Injector (Cylinder #3) [Low] control output |
48 | Injector (Cylinder #5) [Low] control output |
49 | Motor [+] control output | Engine Run | PWM | · Engine running duty: below 50% · Offset learning duty: 0~100% |
50 | Motor [-] control output | Engine Run | PWM |
51 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
52 | Position Sensor signal input | Idle | DC | 0.5 ~ 4.5V |
53 | - | | | |
54 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
55 | Sensor ground | Always | DC | 0 ~ 0.5V |
56 | Sensor ground | Always | DC | 0 ~ 0.5V |
57 | Sensor shield | | | |
58 | Crankshaft Position Sensor (CKPS) [+] signal input | Engine Run | SINE Wave | Vp_p: Min.1.0V |
59 | - | | | |
60 | Electric EGR Control Valve control output | Engine Run | PWM | · Engine running duty: 5~80% · Valve closing: 5% · Valve opening: 80% |
Pin | Description | Condition | Type | Level |
1 | Power ground | Always | DC | 0 ~ 0.5V |
2 | Power ground | Always | DC | 0 ~ 0.5V |
3 | Battery power | IG ON | DC | Battery Voltage |
4 | Power ground | Always | DC | 0 ~ 0.5V |
5 | Battery power | IG ON | DC | Battery Voltage |
6 | Battery power | IG ON | DC | Battery Voltage |
7 | - | | | |
8 | ESP/ABS Auto Recognition signal input | | | |
9 | - | | | |
10 | VS-/IP- (Virtual Ground) | Engine Run ＆ Heater ON | DC | ~ 3.0V |
11 | VS+ (NERNST Cell Voltage) | Engine Run ＆ Heater ON | DC | ~ 3.0V |
12 | - | | | |
13 | - | | | |
14 | - | | | |
15 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
16 | - | | | |
17 | - | | | |
18 | Battery power | IG ON | DC | Battery Voltage |
19 | - | | | |
20 | - | | | |
21 | - | | | |
22 | - | | | |
23 | - | | | |
24 | - | | | |
25 | Cooling Fan Relay [High] control output | Relay OFF | DC | Battery Voltage |
Relay ON | Max. 1.0V |
26 | - | | | |
27 | - | | | |
28 | - | | | |
29 | PTC Heater Relay control output | Relay OFF | DC | Battery Voltage |
Relay ON | Max. 1.0V |
30 | - | | | |
31 | - | | | |
32 | Rc/Rp (Pumping Cell Voltage) | Engine Run ＆ Heater ON | DC |  |
33 | Immobilizer Communication Line | | | |
34 | - | | | |
35 | CAN [Low] | RECESSIVE | DC | 2.0 ~ 3.0V |
DOMINANT | 0.5 ~ 2.25V |
36 | CAN [High] | RECESSIVE | DC | 2.0 ~ 3.0V |
DOMINANT | 2.75 ~ 4.5V |
37 | - | | | |
38 | Intake Air Temperature Sensor (IATS) #1 signal input | Idle | Analog | 0.5 ~ 4.5V |
39 | - | | | |
40 | Sensor Power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
41 | - | | | |
42 | Water Sensor signal input | IG ON | DC | |
43 | Brake Switch 2 signal input | Release | DC | Battery Voltage |
Push | Max. 0.5V |
44 | Brake Switch 1 signal input | Release | DC | Max. 0.5V |
Push | Battery Voltage |
45 | Ground | Always | DC | 0 ~ 0.5V |
46 | - | | | |
47 | Engine speed signal output | Engine Run | Pulse (4Pulse/rev) | |
48 | A/C Compressor Relay control output | A/C OFF | DC | Battery Voltage |
A/C ON | Max. 1.0V |
49 | Main Relay control output | Relay OFF | DC | Battery Voltage |
Relay ON | Max. 1.0V |
50 | Cooling Fan Relay [Low] control output | Relay OFF | DC | Battery Voltage |
Relay ON | Max. 1.0V |
51 | Lambda Sensor Heater control output | Engine Run ＆ Heater ON | PWM (100Hz) | |
52 | - | | | |
53 | - | | | |
54 | Rc (Compensative Resistance) | Engine Run ＆ Heater ON | DC |  |
55 | - | | | |
56 | - | | | |
57 | Accelerator Position Sensor (APS) #1 signal input | Released | DC | 0.7 ~ 0.8V |
Fully depressed | 3.8 ~ 4.4V |
58 | Accelerator Position Sensor (APS) #2 signal input | Released | DC | 0.275 ~ 0.475V |
Fully depressed | 1.75 ~ 2.35V |
59 | A/C Pressure Transducer (APT) signal input | A/C ON | DC | Max. 4.8V |
60 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
61 | - | | | |
62 | - | | | |
63 | - | | | |
64 | A/C Switch "ON" signal input | A/C S/W OFF | DC | Max. 1.0V |
A/C S/W ON | Battery Voltage |
65 | A/C Pressure Switch signal input | S/W OFF | DC | Max. 1.0V |
S/W ON | Battery Voltage |
66 | - | | | |
67 | - | | | |
68 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage |
Relay ON | Max. 1.0V |
69 | Immobilizer Lamp control output | Lamp OFF | DC | Battery Voltage |
Lamp ON | Max. 1.0V |
70 | - | | | |
71 | Glow Time Lamp control output | Lamp OFF | DC | Battery Voltage |
Lamp ON | Max. 1.0V |
72 | Diagnosis Data Line (K-Line) | When transmitting | Pulse | High: Min. Vbatt×80% |
Low: Max. Vbatt×20% |
When receiving | High: Min. Vbatt×70% |
Low: Max. Vbatt×30% |
73 | Accelerator Position Sensor signal output | | | |
74 | Mass Air Flow Sensor(MAFS) signal input | Engine Run ＆ Warmed-up | Pulse |  |
75 | Reference Frequency | Idle | Pulse | High: Vcc or Vbat Low: Max. 1.0V |
76 | - | | | |
77 | - | | | |
78 | - | | | |
79 | Sensor ground | Always | DC | 0 ~ 0.5V |
80 | Sensor ground | Always | DC | 0 ~ 0.5V |
81 | Sensor ground | Always | DC | 0 ~ 0.5V |
82 | Sensor power (+5V) | IG ON | DC | 4.9 ~ 5.1V |
83 | - | | | |
84 | Sensor ground | Always | DC | 0 ~ 0.5V |
85 | Thermo Switch signal input | A/C OFF | DC | Max. 0.5V |
A/C ON | Battery Voltage |
86 | - | | | |
87 | - | | | |
88 | - | | | |
89 | - | | | |
90 | Feedback signal input | IG ON | PWM | · Engine running duty: 20~80% · Idle duty: 80% · W.O.T duty: 50 |
91 | Malfunction Indicator Lamp (MIL) Control output | Lamp OFF | DC | Battery Voltage |
Lamp ON | Max. 1.0V |
92 | - | | | |
93 | Cruise Control "ACTIVATOR" signal input | IG ON | DC | 4.9 ~ 5.1V |
94 | Ground | Always | DC | 0 ~ 0.5V |
