ECM HARNESS CONNECTOR
ECM TERMINAL FUNCTION
Pin | Description | Connected to |
1 | Injector (Cylinder #3) [HIGH] control output | Injector (Cylinder #3) |
2 | Injector (Cylinder #2) [HIGH] control output | Injector (Cylinder #2) |
3 | - |
|
4 | Battery power | Rail Pressure Regulator Valve |
5 | - |
|
6 | Sensor ground | Position Sensor in Variable Swirl Control Actuator |
7 | Sensor shield | Crankshaft Position Sensor (CKPS) |
8 | Sensor ground | Rail Pressure Sensor (RPS) |
9 | - |
|
10 | - |
|
11 | - |
|
12 | Crankshaft Position Sensor (CKPS) [-] signal input | Crankshaft Position Sensor (CKPS) |
13 | Reference voltage (+5V) | Boost Pressure Sensor (BPS) |
14 | - |
|
15 | - |
|
16 | Injector (Cylinder #1) [HIGH] control output | Injector (Cylinder #1) |
17 | Injector (Cylinder #4) [HIGH] control output | Injector (Cylinder #4) |
18 | - |
|
19 | Battery power | Fuel Pressure Regulator Valve |
20 | Sensor ground | Camshaft Position Sensor (CMPS) |
21 | - |
|
22 | - |
|
23 | Sensor ground | Boost Pressure Sensor (BPS) |
24 | - |
|
25 | - |
|
26 | Reference voltage (+5V) | Position Sensor in Variable Swirl Control Actuator |
27 | Crankshaft Position Sensor (CKPS) [+] signal input | Crankshaft Position Sensor (CKPS) |
28 | Reference voltage (+5V) | Rail Pressure Sensor (RPS) |
29 | - |
|
30 | Motor [-] control output | Variable Swirl Control Actuator |
31 | Injector (Cylinder #2) [LOW] control output | Injector (Cylinder #2) |
32 | - |
|
33 | Injector (Cylinder #4) [LOW] control output | Injector (Cylinder #4) |
34 | Rail Pressure Regulator Valve control output | Rail Pressure Regulator Valve |
35 | - |
|
36 | - |
|
37 | Reference frequency | Mass Air Flow Sensor (MAFS) |
38 | - |
|
39 | - |
|
40 | Boost Pressure Sensor (BPS) signal input | Boost Pressure Sensor (BPS) |
41 | Sensor ground | Engine Coolant Temperature Sensor (ECTS) |
42 | Mass Air Flow Sensor (MAFS) signal input | Mass Air Flow Sensor (MAFS) |
43 | Rail Pressure Sensor (RPS) signal input | Rail Pressure Sensor (RPS) |
44 | Sensor ground | MAFS & IATS #1 |
45 | Fuel Pump Relay output | Fuel Pump Relay |
46 | Injector (Cylinder #3) [LOW] control output | Injector (Cylinder #3) |
47 | Injector (Cylinder #1) [LOW] control output | Injector (Cylinder #1) |
48 | - |
|
49 | Fuel Pressure Regulator Valve control output | Fuel Pressure Regulator Valve |
50 | Camshaft Position Sensor (CMPS) signal input | Camshaft Position Sensor (CMPS) |
51 | - |
|
52 | - |
|
53 | Intake Air Temperature Sensor (IATS) #2 signal input | Intake Air Temperature Sensor (IATS) #2 built in BPS |
54 | - |
|
55 | - |
|
56 | Position Sensor signal input | Position Sensor in Variable Swirl Control Actuator |
57 | - |
|
58 | Engine Coolant Temperature Sensor (ECTS) signal input | Engine Coolant Temperature Sensor (ECTS) |
59 | Electric EGR Control Valve control output | Electric EGR Control Valve |
60 | Motor [+] control output | Variable Swirl Control Actuator |
Pin | Description | Connected to |
1 | Batter voltage supply after main relay | Main Relay |
2 | Power ground | Chassis Ground |
3 | Batter voltage supply after main relay | Main Relay |
4 | Power ground | Chassis Ground |
5 | Batter voltage supply after main relay | Main Relay |
6 | Power ground | Chassis Ground |
7 | - | |
8 | Sensor ground | Accelerator Position Sensor (APS) #2 |
9 | Accelerator Position Sensor (APS) #1 signal input | Accelerator Position Sensor (APS) #1 |
10 | Sensor ground | Fuel Temperature Sensor (FTS) |
11 | Fuel Temperature Sensor (FTS) signal input | Fuel Temperature Sensor (FTS) |
12 | Ground | A/C Pressure Transducer |
13 | A/C Pressure Transducer signal input | A/C Pressure Transducer |
14 | Ground | Cruise Control Switch |
15 | Cruise Control "ACTIVATOR" signal input | Cruise Control Switch |
16 | Ground | Immobilizer Control Module |
17 | - |
|
18 | - |
|
19 | Ground (VDC) |
|
20 | - |
|
21 | - |
|
22 | Reference voltage (+5V) | A/C Pressure Transducer |
23 | - |
|
24 | Reference voltage (+5V) | Cruise Control Switch |
25 | Diagnosis Data Line (K-Line) | Data Link Connector (DLC) |
26 | Throttle Position (PWM) | EPS module |
27 | Fuel consumption signal output | Trip computer |
28 | Ignition switch signal input | Ignition Switch |
29 | VGT Control Solenoid Valve control output | VGT Control Solenoid Valve |
30 | Sensor ground | Accelerator Position Sensor (APS) #1 |
31 | Accelerator Position Sensor (APS) #2 signal input | Accelerator Position Sensor (APS) #2 |
32 | Exhaust Gas Temperature Sensor (EGTS) #2 signal input | Exhaust Gas Temperature Sensor (EGTS) #2 for CPF |
33 | Sensor ground | Exhaust Gas Temperature Sensor (EGTS) #2 for CPF |
34 | Exhaust Gas Temperature Sensor (EGTS) #1 signal input | Exhaust Gas Temperature Sensor (EGTS) #1 for VGT |
35 | Sensor ground | Exhaust Gas Temperature Sensor (EGTS) #1 for VGT |
36 | Differential Pressure Sensor (DPS) signal input | Differential Pressure Sensor (DPS) |
37 | Sensor ground | Differential Pressure Sensor (DPS) |
38 | Brake Switch "Lamp" signal input | Brake Switch |
39 | - |
|
40 | Water Sensor siganl input | Water Sensor in Fuel Filter |
41 | - |
|
42 | Blower Switch Signal input | Blower Switch |
43 | - |
|
44 | Reference voltage (+5V) | Differential Pressure Sensor (DPS) |
45 | Reference voltage (+5V) | Accelerator Position Sensor (APS) #1 |
46 | Reference voltage (+5V) | Accelerator Position Sensor (APS) #2 |
47 | Immobilizer Communication Line | Immobilizer Control Module |
48 | Engine speed signal output | Tachometer (Cluster) |
49 | Cruise Control "SET" Lamp control output | Cruise Control "SET" Lamp (Cluster) |
50 | - |
|
51 | Lambda Sensor Heater control output | Lambda Sensor |
52 | - | |
53 | - |
|
54 | A/C Switch "ON" signal input | A/C Switch |
55 | - |
|
56 | Thermo Switch signal input | A/C Switch |
57 | - | |
58 | - |
|
59 | - |
|
60 | - |
|
61 | - |
|
62 | - |
|
63 | - |
|
64 | Lambda Sensor Voltage "NERNST" | Lambda Sensor |
65 | Lambda Sensor Current Pump | Lambda Sensor |
66 | - | |
67 | - |
|
68 | Malfunction Indicator Lamp (MIL) control output | Malfunction Indicator Lamp (MIL) |
69 | Glow Time Indicator Lamp contorl output | Glow Time Indicator Lamp (Cluster) |
70 | A/C Compressor Relay control output | A/C Compressor Relay |
71 | Cooling Fan Relay [LOW] control output | Cooling Fan Relay |
72 | Main Relay control output | Main Relay |
73 | - |
|
74 | - |
|
75 | Vehicle speed signal input | Vehicle Speed Sensor (VSS) |
76 | - |
|
77 | Feedback signal input | Throttle Control Actuator |
78 | - |
|
79 | - | |
80 | Brake Switch "Redundant" signal input | Brake Switch |
81 | - | |
82 | - |
|
83 | CAN [LOW] | Other Control Modules |
84 | CAN [HIGH] | Other Control Modules |
85 | - |
|
86 | Lambda Sensor Virtual Ground | Lambda Sensor |
87 | Lambda Sensor Current Adjust | Lambda Sensor |
88 | - |
|
89 | Intake Air Temperature Sensor (IATS) #1 signal input | Intake Air Temperature Sensor (IATS) #1 in MAFS |
90 | Throttle Control Actuator control output | Throttle Control Actuator |
91 | Cruise Control "MAIN" Lamp control output | Cruise Control "MAIN" Lamp (Cluster) |
92 | Immobilizer Lamp control output | Immobilizer Lamp (Cluster) |
93 | Glow Relay control output | Glow Relay |
94 | PTC Heater Relay control output | PTC Heater Relay |
ECM TERMINAL INPUT/OUTPUT SIGNAL
Pin | Description | Type | Vehicle State | Level |
1 | Injector (Cylinder #3) [HIGH] control output | Idle | Pulse | B+ ~ 80V |
2 | Injector (Cylinder #2) [HIGH] control output | Idle | Pulse | B+ ~ 80V |
3 | - | - | - | - |
4 | Battery power | Idle | DC | Vbatt |
5 | - | - | - | - |
6 | Sensor ground | Idle | DC | Max. 50mV |
7 | Sensor shield | Idle | DC | Max. 50mV |
8 | Sensor ground | Idle | DC | Max. 50mV |
9 | - | - | - | - |
10 | - | - | - | - |
11 | - | - | - | - |
12 | Crankshaft Position Sensor (CKPS) [-] signal input | Idle | Sine Wave | Vp_p : Min.1.0V |
13 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
14 | - | - | - | - |
15 | - | - | - | - |
16 | Injector (Cylinder #1) [HIGH] control output | Idle | Pulse | Vbatt ~ 80V |
17 | Injector (Cylinder #4) [HIGH] control output | Idle | Pulse | Vbatt ~ 80V |
18 | - | - | - | - |
19 | Battery power | IG OFF | DC | Max. 0.5 V |
IG ON | Vbatt | |||
20 | Sensor ground | Idle | DC | Max. 50 mV |
21 | - | - | - | - |
22 | - | - | - | - |
23 | Sensor ground | Idle | DC | Max. 50 mV |
24 | - | - | - | - |
25 | - | - | - | - |
26 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
27 | Crankshaft Position Sensor (CKPS) [+] signal input | Idle | Sine Wave | Vp_p : Min.1.0V |
28 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
29 | - | - | - | - |
30 | Motor [-] control output | Active | DC | Max.0.5V |
31 | Injector (Cylinder #2) [LOW] control output | Idle | Pulse | Peak Current : 19 ~ 21 A Hold Current : 11~ 13 A ![]() |
32 | - | - | - | - |
33 | Injector (Cylinder #4) [LOW] control output | Idle | Pulse | Peak Current : 19 ~ 21 A Hold Current : 11~ 13 A ![]() |
34 | Rail Pressure Regulator Valve control output | Idle | Pulse | Hi: Vbatt Lo: Max. 1.0V Frequency = 1kHz ± 2% |
35 | - | - | - | - |
36 | - | - | - | - |
37 | Reference frequency | Idle | Pulse | Hi: Vcc or Vbatt Lo: Max. 1.0V |
38 | - | - | - | - |
39 | - | - | - | - |
40 | Boost Pressure Sensor (BPS) signal input | IG ON | Analog | 0.5 ~ 4.5V |
41 | Sensor ground | Idle | DC | Max. 50 mV |
42 | Mass Air Flow Sensor (MAFS) signal input | Idle | Pulse | Hi: Vcc or Vbatt Lo: Max. 1.0V |
43 | 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 | |||
44 | Sensor ground | Idle | DC | Max. 50 mV |
45 | Fuel Pump Relay output | Relay OFF | DC | Vbatt |
Relay ON | Max. 1.0V | |||
46 | Injector (Cylinder #3) [LOW] control output | Idle | Pulse | Peak Current : 19 ~ 21 A Hold Current : 11~ 13 A ![]() |
47 | Injector (Cylinder #1) [LOW] control output | Idle | Pulse | Peak Current : 19 ~ 21 A Hold Current : 11~ 13 A ![]() |
48 | - | - | - | - |
49 | Fuel Pressure Regulator Valve control output | Idle | Pulse | Hi: Vbatt Lo: Max. 1.0V |
50 | Camshaft Position Sensor (CMPS) signal input | Idle | Pulse | Hi: Vcc or Vbatt Lo: Max. 1.0V |
51 | - | - | - | - |
52 | - | - | - | - |
53 | Intake Air Temperature Sensor (IATS) #2 signal input | Idle | Analog | 0.5 ~ 4.5V |
54 | - | - | - | - |
55 | - | - | - | - |
56 | Position Sensor signal input | Idle | DC | 0.5 ~ 4.5V |
57 | - | - | - | - |
58 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | Analog | 0.5 ~ 4.5V |
59 | Electric EGR Control Valve control output | Idle | Pulse | Hi: Vbatt Lo: Max. 1.0V |
60 | Motor [+] control output | Active | Pulse | Hi: Vbatt Lo: Max. 1.0V |
Pin | Description | Type | Vehicle State | Level |
1 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0 V |
IG ON | Vbatt | |||
2 | Power ground | Idle | DC | Max. 50 mV |
3 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0 V |
IG ON | Vbatt | |||
4 | Power ground | Idle | DC | Max. 50 mV |
5 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0 V |
IG ON | Vbatt | |||
6 | Power ground | Idle | DC | Max. 50 mV |
7 | - | - | - | - |
8 | Sensor ground | Idle | DC | Max. 50 mV |
9 | Accelerator Position Sensor (APS) #1 signal input | C.T | Analog | 0.3 ~ 0.9V |
W.O.T | 4.0 ~ 4.8V | |||
10 | Sensor ground | Idle | DC | Max. 50 mV |
11 | Fuel Temperature Sensor (FTS) signal input | IG ON | Analog | 0.5 ~ 4.5V |
12 | Ground | Idle | DC | Max. 50 mV |
13 | A/C Pressure Transducer signal input | A/C On | Analog | Max. 4.8V |
14 | Ground | Idle | DC | Max. 50mV |
15 | Cruise Control "ACTIVATOR" signal input | - | - | - |
16 | Ground | Idle | DC | Max. 50 mV |
17 | - | - | - | - |
18 | - | - | - | - |
19 | Ground | Idle | DC | Max. 50 mV |
20 | - | - | - | - |
21 | - | - | - | - |
22 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
23 | - | - | - | - |
24 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
25 | Diagnosis K-Line | When transmitting | Pulse | Hi: Min. Vbatt×80% Lo: Max. Vbatt×20% |
When receiving | Hi: Min. Vbatt×70% Lo: Max. Vbatt×30% | |||
26 | Throttle position | - | - | - |
27 | Fuel consumption signal output | Idle | Pulse | Hi: Vbatt or Vcc Lo: Max. 0.5V |
28 | Ignition switch signal input | IG OFF | DC | Max. 1.0V |
IG ON | Vbatt | |||
29 | VGT Control Solenoid Valve control output | Idle | Pulse | Hi: Vbatt Lo: Max. 0.5V |
30 | Sensor ground | Idle | DC | Max. 50 mV |
31 | Accelerator Position Sensor (APS) #2 signal input | C.T | Analog | 0.3 ~ 0.9V |
W.O.T | 1.5 ~ 3.0V | |||
32 | Exhaust Gas Temperature Sensor (EGTS) #2 signal input | Idle | Analog | 0.5 ~ 4.5V |
33 | Sensor ground | Idle | DC | Max. 50 mV |
34 | Exhaust Gas Temperature Sensor (EGTS) #1 signal input | Idle | Analog | 0.5 ~ 4.5V |
35 | Sensor ground | Idle | DC | Max. 50 mV |
36 | Differential Pressure Sensor (DPS) signal input | Idle | Analog | 0.5 ~ 4.5V |
37 | Sensor ground | Idle | DC | Max. 50 mV |
38 | Brake Switch "Lamp" signal input | Release | DC | Max. 0.5V |
Push | Vbatt | |||
39 | - | - | - | - |
40 | Water Sensor siganl input | Full of Water | Analog | Vbatt |
No Water | Max. 1V | |||
41 | - | - | - | - |
42 | Blower Switch Signal input | Blower Off | DC | Vbatt |
Blower On | Max. 2V | |||
43 | - | - | - | - |
44 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
45 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
46 | Reference voltage (+5V) | IG OFF | DC | Max. 0.5V |
IG ON | 4.9 ~ 5.1V | |||
47 | Immobilizer Communication Line | After IG ON when communicating | Pulse | Hi: Min. 8.5V |
Lo: Max. 3.5V | ||||
48 | Engine speed signal output | Idle | Pulse | Hi: Vbatt Lo: Max. 5V Frequency : 50~60Hz |
49 | Cruise Control "SET" Lamp control output | - | - | - |
50 | - | - | - | - |
51 | Lambda Sensor Heater control output | Vehicle Run | Pulse | Hi: Vbatt Lo: Max. 1.0V |
52 | - | - | - | - |
53 | - | - | - | - |
54 | A/C Switch "ON" signal input | A/C SW OFF | DC | Max. 1.0V |
A/C SW ON | Vbatt | |||
55 | - | - | - | - |
56 | Thermo Switch signal input | A/C OFF | DC | Max. 0.5V |
A/C ON | Vbatt | |||
57 | - | - | - | - |
58 | - | - | - | - |
59 | - | - | - | - |
60 | - | - | - | - |
61 | - | - | - | - |
62 | - | - | - | - |
63 | - | - | - | - |
64 | Lambda Sensor Voltage "NERNST" | Engine Run | Analog | Normal : 450 ± 50 mV Rich : Max. Normal + 150mV Lean : Min. Normal - 150mV |
65 | Lambda Sensor Current Pump | Engine Run | Analog | Normal : 0 ± 500 mV Rich : Min. Normal - 1.5V Lean : Max. Normal + 1.5V |
66 | - | - | - | - |
67 | - | - | - | - |
68 | Malfunction Indicator Lamp (MIL) control output | Lamp OFF | DC | Vbatt |
Lamp ON | Max. 1.0V | |||
69 | Glow Time Indicator Lamp control output | Glow OFF | DC | Vbatt |
Glow ON | Max. 1.0V | |||
70 | A/C Compressor Relay control output | A/Con OFF | DC | Vbatt |
A/Con ON | Max. 1.0V | |||
71 | Cooling Fan Relay [LOW] control output | Relay OFF | DC | Vbatt |
Relay ON | Max. 1.0V | |||
72 | Main Relay control output | Relay OFF | DC | Vbatt |
Relay ON | Max. 1.0V | |||
73 | - | - | - | - |
74 | - | - | - | - |
75 | Vehicle speed signal input | Vehicle Run | Pulse | Hi: Min. 5.0V Lo: Max. 1.0V |
76 | - | - | - | - |
77 | Feedback signal input | Normal | DC | Vbatt |
Abnormal | Max. 0.5V | |||
78 | - | - | - | - |
79 | - | - | - | - |
80 | Brake Switch "Redundant" signal input | Release | DC | Vbatt |
Push | Max. 0.5V | |||
81 | - | - | - | - |
82 | - | - | - | - |
83 | CAN [LOW] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 0.5 ∼ 2.25 V | |||
84 | CAN [HIGH] | Recessive | Pulse | 2.0 ~ 3.0 V |
Dominant | 2.75 ∼ 4.5 V | |||
85 | - | - | - | - |
86 | Lambda Sensor Virtual Ground | Engine Run | Analog | 2.4 ~ 2.6V |
87 | Lambda Sensor Current Adjust | Engine Run | Analog | |Current Pump - Current Adjust |< 0.2V |
88 | - | - | - | - |
89 | Intake Air Temperature Sensor (IATS) #1 signal input | Idle | Analog | 0.5V ~ 4.5V |
90 | Throttle Control Actuator control output | Key On/Key Off | Pulse | Hi: Vbatt Lo: Max. 1V |
91 | Cruise Control "MAIN" Lamp control output | - | - | - |
92 | Immobilizer Lamp control output | Lamp OFF | DC | Vbatt |
Lamp ON | Max. 1.0V | |||
93 | Glow Relay control output | Relay OFF | DC | Vbatt |
Relay ON | Max. 1.0V | |||
94 | PTC Heater Relay control output | Relay OFF | DC | Vbatt |
Relay ON | Max. 1.0V |