| TIBURON(GK) >2008 > G 2.7 DOHC > Fuel System > Engine Control System > Engine Control Module (ECM)>Specifications |

ENGINE CONTROL MODULE (ECM)
1. ECM HARNESS CONNECTOR 2. ECM TERMINAL FUNCTION CONNECTOR [C133-1]
Pin No. | Description | Connected to | Remark
1 | Ignition switch signal input | Ignition Switch |
2 | Not connected |  |
3 | Diagnostic Data Line (k-Line) | Data Link Connector (DLC) |
4 | ECM ground | Chassis ground |
5 | Power stage ground | Chassis ground |
6 | Power stage ground | Chassis ground |
7 | Battery voltage supply | Battery |
8 | Battery Voltage Supply after Main Relay | Main Relay |
9 | Battery Voltage Supply after Main Relay | Main Relay |
CONNECTOR [C133-2]
Pin No. | Description | Connected to | Remark
1 | Heated Oxygen Sensor Heater (B1/S1) control | Heated Oxygen Sensor (B1/S1) |
2 | Not connected |  |
3 | Not connected |  |
4 | Not connected |  |
5 | Not connected |  |
6 | Not connected |  |
7 | Heated Oxygen Sensor (B1/S2) Heater control | Heated Oxygen Sensor (B1/S2) |
8 | Not connected |  |
9 | Not connected |  |
10 | Not connected |  |
11 | Not connected |  |
12 | Not connected |  |
13 | Heated Oxygen Sensor (B2/S1) Heater control | Heated Oxygen Sensor (B2/S1) |
14 | Heated Oxygen Sensor (B1/S1) signal input | Heated Oxygen Sensor (B1/S1) |
15 | Heated Oxygen Sensor (B2/S1) signal input | Heated Oxygen Sensor (B2/S1) |
16 | Heated Oxygen Sensor (B1/S2) signal input | Heated Oxygen Sensor (B1/S2) |
17 | Fuel Consumption signal output | Trip Computer |
18 | Heated Oxygen Sensor (B2/S2) signal input | Heated Oxygen Sensor (B2/S2) |
19 | Heated Oxygen Sensor (B2/S2) Heater control | Heated Oxygen Sensor (B2/S2) |
20 | Heated Oxygen Sensor (B1/S1) ground | Heated Oxygen Sensor (B1/S1) |
21 | Heated Oxygen Sensor (B2/S1) ground | Heated Oxygen Sensor (B2/S1) |
22 | Heated Oxygen Sensor (B1/S2) ground | Heated Oxygen Sensor (B1/S2) |
23 | Main Relay control output | Main Relay |
24 | Heated Oxygen Sensor (B2/S2) ground | Heated Oxygen Sensor (B2/S2) |
CONNECTOR [C133-3]
Pin No. | Description | Connected to | Remark
1 | Mass Air Flow Sensor signal input | Mass Air Flow Sensor (MAFS) |
2 | Not connected |  |
3 | Not connected |  |
4 | Not connected |  |
5 | Not connected |  |
6 | Not connected |  |
7 | Not connected |  |
8 | Crankshaft Position Sensor signal input | Crankshaft Position Sensor (CKPS) |
9 | Not connected |  |
10 | Throttle Position Sensor supply | Throttle Position Sensor (TPS) |
11 | Not connected |  |
12 | Not connected |  |
13 | Not connected |  |
14 | Not connected |  |
15 | Not connected |  |
16 | Not connected |  |
17 | Mass Air Flow Sensor ground | Mass Air Flow Sensor (MAFS) |
18 | Not connected |  |
19 | Throttle Position Sensor signal input | Throttle Position Sensor (TPS) |
20 | Throttle Position Sensor ground | Throttle Position Sensor (TPS) |
21 | Crankshaft Position Sensor ground | Crankshaft Position Sensor (CKPS) |
22 | Intake Air Temperature Sensor signal input | Intake Air Temperature Sensor (IATS) |
23 | Intake Air Temperature Sensor ground | Intake Air Temperature Sensor (IATS) |
24 | Engine Coolant Temperature Sensor signal input | Engine Coolant Temperature Sensor (ECTS) |
25 | Engine Coolant Temperature Sensor ground | Engine Coolant Temperature Sensor (ECTS) |
26 | Power Steering Load input | Power Steering Switch |
27 | Not connected |  |
28 | Not connected |  |
29 | Knock Sensor #1 (Cyl. #1, 3, 5) signal input | Knock Sensor (KS) #1 |
30 | Knock Sensor #1 (Cyl. #1, 3, 5) ground | Knock Sensor (KS) #1 |
31 | Knock Sensor #2 (Cyl. #2, 4, 6) signal input | Knock Sensor (KS) #2 |
32 | Knock Sensor #2 (Cyl. #2, 4, 6) ground | Knock Sensor (KS) #2 |
33 | Injector (Cyl. 1) control output | Injector (Cyl. 1) |
34 | Injector (Cyl. 2) control output | Injector (Cyl. 2) |
35 | Injector (Cyl. 3) control output | Injector (Cyl. 3) |
36 | Injector (Cyl. 4) control output | Injector (Cyl. 4) |
37 | Injector (Cyl. 5) control output | Injector (Cyl. 5) |
38 | Injector (Cyl. 6) control output | Injector (Cyl. 6) |
39 | Not connected |  |
40 | Not connected |  |
41 | Not connected |  |
42 | Purge Control Solenoid Valve PWM output | Purge Control Solenoid Valve (PCSV) |
43 | Not connected |  |
44 | Not connected |  |
45 | Not connected |  |
46 | Idle Speed Control Actuator PWM output 2 (OPEN) | Idle Speed Control Actuator (ISCA) |
47 | Idle Speed Control Actuator PWM output 1 (CLOSE) | Idle Speed Control Actuator (ISCA) |
48 | Knock Sensor Shield | Knock Sensor (KS) |
49 | Not connected |  |
50 | Not connected |  |
51 | Not connected |  |
52 | Not connected |  |
CONNECTOR [C133-4]
Pin No. | Description | Connected to | Remark
1 | Not connected |  |
2 | Not connected |  |
3 | Not connected |  |
4 | Fuel Tank Pressure Sensor Supply | Fuel Tank Pressure Sensor (FTPS) |
5 | Fuel Level Sensor Signal input | Fuel Lwvel Sensor (FLS) |
6 | Not connected |  |
7 | Camshaft Position Sensor signal input | Camshaft Position Sensor (CMPS) |
8 | Camshaft Position Sensor ground | Camshaft Position Sensor (CMPS) |
9 | Not connected |  |
10 | Fuel Pump Relay control output | Fuel Pump Relay |
11 | Not connected |  |
12 | Not connected |  |
13 | Throttle Position PWM output | Other control modules |
14 | Fuel Tank Pressure Sensor ground | Fuel Tank Pressure Sensor (FTPS) |
15 | Fuel Level Sensor ground input | Fuel Level Sensor (FLS) |
16 | Not connected |  |
17 | Engine Speed signal output | Tachometer |
18 | Cooling Fan Relay [Low] control output | Cooling Fan Relay |
19 | Not connected |  |
20 | Malfunction Indicating Lamp (MIL) output | Malfunction Indicating Lamp (MIL) |
21 | Not connected |  |
22 | Vehicle speed signal input | ABS Control Module | With ABS
23 | Air conditioner switch [Low/High] signal input | Triple Switch |
24 | Air conditioner switch signal input | Air Conditioner Switch |
25 | Air conditioner switch [Middle] signal input | Triple Switch |
26 | Not connected |  |
27 | Not connected |  |
28 | Not connected |  |
29 | Air Conditioner Compressor Relay control output | Air Conditioner Compressor Relay |
30 | Canister Close Valve control output | Canister Close Valve (CCV) |
31 | Not connected |  |
32 | Not connected |  |
33 | Not connected |  |
34 | Fuel Tank Pressure Sensor signal input | Fuel Tank Pressure Sensor (FTPS) |
35 | Not connected |  |
36 | CAN [HIGH] | Other control modules (TCM, ABS, etc.) |
37 | CAN [LOW] | Other control modules (TCM, ABS, etc.) |
38 | Wheel Speed Sensor (WSS) ground | Wheel Speed Sensor (WSS) | Without ABS
39 | Wheel Speed Sensor (WSS) signal input | Wheel Speed Sensor (WSS)
40 | Cooling Fan Relay [High] control output | Cooling Fan Relay |
CONNECTOR [C133-5]
Pin No. | Description | Connected to | Remark
1 | Ignition coil #3 (Cyl. #3,6) control output | Ignition coil #3 (Cyl. #3,6) |
2 | Ignition coil #2 (Cyl. #2,5) control output | Ignition coil #2 (Cyl. #2,5) |
3 | Ignition coil #1 (Cyl. #1,4) control output | Ignition coil #1 (Cyl. #1,4) |
4 | Not connected |  |
5 | Ignition Coil shield | Ignition Coil and Chassis ground |
6 | Not connected |  |
7 | Not connected |  |
8 | Not connected |  |
9 | Not connected |  |
3. ECM TERMINAL INPUT/OUTPUT SIGNAL CONNECTOR [C133-1]
Pin | Description | Type | Vehicle State | Level | Test Result
1 | Ignition switch signal input | DC | IG ON | Vbatt | 14.19V
IG OFF | 0~0.5V | 0mV
2 | Not connected |  |  |  |
3 | Diagnostic Data Line (k-Line) | Pulse | When communicating |  | High: 13.69V Low: 307mV Speed:10.365kbps
4 | ECM ground | Static Signal | Always | 0~0.5V |
5 | Power stage ground | Static Signal | Always | 0~0.5V |
6 | Power stage ground | Static Signal | Always | 0~0.5V |
7 | Battery voltage supply | DC | Always | Vbatt | 13.37V
8 | Battery Voltage Supply after Main Relay | DC | IG ON | Vbatt | 14.15V
IG OFF | 0~0.5V | 0mV
9 | Battery Voltage Supply after Main Relay | DC | IG ON | Vbatt | 14.17V
IG OFF | 0~0.5V | 0V
CONNECTOR [C133-2]
Pin | Description | Type | Vehicle State | Level | Test Result
1 | Heated Oxygen Sensor Heater (B1/S1) control | PWM | Engine Run | Freq. : 10Hz | 14.24V 400mV 10.0Hz
2 | Not connected |  |  |  |
3 | Not connected |  |  |  |
4 | Not connected |  |  |  |
5 | Not connected |  |  |  |
6 | Not connected |  |  |  |
7 | Heated Oxygen Sensor (B1/S2) Heater control | PWM | Engine Run | Freq. : 10Hz | 14.19V 400mV 10.0Hz
8 | Not connected |  |  |  |
9 | Not connected |  |  |  |
10 | Not connected |  |  |  |
11 | Not connected |  |  |  |
12 | Not connected |  |  |  |
13 | Heated Oxygen Sensor (B2/S1) Heater control | PWM | Engine Run | Freq. : 10Hz | 14.24V 400mV 10.0Hz
14 | Heated Oxygen Sensor (B1/S1) signal input | Pulse | 3000 rpm after warm up | Freq. : 1.1Hz | 0.8V 100mV 1.33Hz
15 | Heated Oxygen Sensor (B2/S1) signal input | Pulse | 3000 rpm after warm up | Freq. : 1.1Hz | 0.8V 100mV 1.09Hz
16 | Heated Oxygen Sensor (B1/S2) signal input | Pulse | Racing | Freq. : 1.1Hz | 0.8V 100mV -Hz
17 | Fuel Consumption signal output |  |  |  |
18 | Heated Oxygen Sensor (B2/S2) signal input | Pulse | Racing | Freq. : 1.1Hz |
19 | Heated Oxygen Sensor (B2/S2) Heater control | PWM | Engine Run | Freq. : 10Hz | 14.01V 400mV 10.0Hz
20 | Heated Oxygen Sensor (B1/S1) ground | Static Signal | 3000 rpm after Warm up | 0~0.4V | 0V
21 | Heated Oxygen Sensor (B2/S1) ground | Static Signal | 3000 rpm after Warm up | 0~0.4V | 0V
22 | Heated Oxygen Sensor (B1/S2) ground | Static Signal | 3000 rpm after Warm up | 0~0.4V | 0V
23 | Main Relay control output | DC | IG ON | 0~1V | 903mV
IG OFF | Vbatt | 13.47V
24 | Heated Oxygen Sensor (B2/S2) ground | Static Signal | 3000 rpm after Warm up | 0~0.4V | 0V
CONNECTOR [C133-3]
Pin | Description | Type | Vehicle State | Level | Test Result
1 | Mass Air Flow Sensor signal input | Analog | Idle | 0.6~1.0V | 663mV
2000 rpm | 1.3~1.5V | 1.54V
3000 rpm | 1.7~1.9V |
2 | Not connected |  |  |  |
3 | Not connected |  |  |  |
4 | Not connected |  |  |  |
5 | Not connected |  |  |  |
6 | Not connected |  |  |  |
7 | Not connected |  |  |  |
8 | Crankshaft Position Sensor signal input | Pulse |  |  |
Idle | 600~900Hz | 705.94Hz
3000 rpm | 2.7~3.3kHz | 3,028Hz
9 | Not connected |  |  |  |
10 | Throttle Position Sensor supply | DC | After IG ON | Vcc | 5.02V
11 | Not connected |  |  |  |
12 | Not connected |  |  |  |
13 | Not connected |  |  |  |
14 | Not connected |  |  |  |
15 | Not connected |  |  |  |
16 | Not connected |  |  |  |
17 | Mass Air Flow Sensor ground | GND |  | 0~0.5V | 6.1mV
18 | Not connected |  |  |  |
19 | Throttle Position Sensor signal input | Analog | Idle | 0.2~0.8V | 304mV
W.O.T | 4.3~4.8V | 4.16V
20 | Throttle Position Sensor ground | GND |  | 0~0.5V | 5.2mV
21 | Crankshaft Position Sensor ground | GND |  | 0~0.5V | 5.2mV
22 | Intake Air Temperature Sensor signal input | Analog | -20°C (-4°F) | 4.27~4.54 V |
0°C (32°F) | 3.54~3.9 V |
20°C (68°F) | 2.63~2.93 V |
40°C (104°F) | 1.73~1.98 V |
60°C (140°F) | 1.08~1.25 V |
80°C (176°F) | 0.65~0.76 V |
23 | Intake Air Temperature Sensor ground | GND |  | 0~0.5V | 3.4mV
24 | Engine Coolant Temperature Sensor signal input | Analog | COLD(20°C) | 3.44V |
WARM(80°C) | 1.25V |
25 | Engine Coolant Temperature Sensor ground | GND |  | 0~0.5V | 4.7mV
26 | Power Steering Load input | DC | Active | 0~0.5V | -26mV
Inactive | Vbatt | 11.55V
27 | Not connected |  |  |  |
28 | Not connected |  |  |  |
29 | Knock Sensor #1 (Cyl. #1, 3, 5) signal input | Frequency | Knocking | -0.3 ~ 0.3V | 224mV
Normal | 0V | 0mV
30 | Knock Sensor #1 (Cyl. #1, 3, 5) ground |  |  |  |
31 | Knock Sensor #2 (Cyl. #2, 4, 6) signal input | Frequency | Knocking | -0.3 ~ 0.3V | 247mV
Normal | 0V | 0mV
32 | Knock Sensor #2 (Cyl. #2, 4, 6) ground |  |  |  |
33 | Injector (Cyl. 1) control output | DC(PWM) | 3000rpm | (20 ~ 30Hz) | High: 14.01V Low: 185mV Idle: 5.86Hz 3000rpm: 25.04Hz
34 | Injector (Cyl. 2) control output
35 | Injector (Cyl. 3) control output
36 | Injector (Cyl. 4) control output
37 | Injector (Cyl. 5) control output
38 | Injector (Cyl. 6) control output
39 | Not connected |  |  |  |
40 | Not connected |  |  |  |
41 | Not connected |  |  |  |
42 | Purge Control Solenoid Valve PWM output | PWM | Inactive | Vbatt |
Active (After warm up & racing) | Freq. : 20Hz |
43 | Not connected |  |  |  |
44 | Not connected |  |  |  |
45 | Not connected |  |  |  |
46 | Idle Speed Control Actuator PWM output 2 (OPEN) | PWM | Idle | Freq : 100Hz | High: 15.05V Low: 178mV Freq:100.0Hz
47 | Idle Speed Control Actuator PWM output 1 (CLOSE) | PWM | Idle | Freq : 100Hz | High: 14.82V Low: 151mV Freq:100.0Hz
48 | Knock Sensor Shield | GND |  | 0~0.5V |
49 | Not connected |  |  |  |
50 | Not connected |  |  |  |
51 | Not connected |  |  |  |
52 | Not connected |  |  |  |
CONNECTOR [C133-4]
Pin | Description | Type | Vehicle State | Level | Test Result
1 | Not connected |  |  |  |
2 | Not connected |  |  |  |
3 | Not connected |  |  |  |
4 | Fuel Tank Pressure Sensor Supply | DC | IG OFF | 0 ~ 0.5V | 0V
IG ON | 4.9 ~ 5.1V | 5.05V
5 | Fuel Level Sensor signal input | DC | IG ON | 0 ~ Vbat |
6 | Not connected |  |  |  |
7 | Camshaft Position Sensor signal input | Frequency |  |  | High: 5.02V Low: 529mV
Idle | 5.25~7.25Hz | Idle: 5.84Hz
3000rpm | 20~30Hz | 3000rpm: 25.14Hz
8 | Camshaft Position Sensor ground | GND |  | 0~0.5V |
9 | Not connected |  |  |  |
10 | Fuel Pump Relay control output | DC | IG ON | Vbatt | 13.08V
Idle | 0~0.5V | 93mV
11 | Not connected |  |  |  |
12 | Not connected |  |  |  |
13 | Throttle Position PWM output | Pulse |  | Freq. : 100Hz | High: 12.72V Low: 88mV Freq:100.0Hz
C.T | 5% DUTY | C.T:4.92%
W.O.T | 91% DUTY | WOT:90.92%
14 | Fuel Tank Pressure Sensor ground | DC | Idle | 0 ~ 0.5V |
15 | Fuel Level Sensor ground | DC | Idle | 0 ~ 0.5V |
16 | Not connected |  |  |  |
17 | Engine Speed signal output | Pulse |  |  | High: 10.35V Low: 13.6mV
Idle | 40Hz | Idle: 35.25Hz
3000 rpm | 150Hz | 3000rpm: 151.25Hz
18 | Cooling Fan Relay [Low] control output | DC | FAN ON | 0~0.5V | 497mV
FAN OFF | Vbatt | 13.95V
19 | Not connected |  |  |  |
20 | Malfunction Indicating Lamp (MIL) output | DC | MIL ON | 0~0.5V | 16.4mV
MIL OFF | Vbatt | 13.54V
21 | Not connected |  |  |  |
22 | Vehicle speed signal input | Pulse | Vehicle Run(80km/h) |  | High: 5.02V Low: 0.92mV
From ABS: 250Hz | 252Hz
From VSS: 25Hz | -
23 | Air conditioner switch [Low/High] signal input | DC | S/W OFF | 0~0.5V | 0.02V
S/W ON | Vbatt | 12.22V
24 | Air conditioner switch signal input | DC | S/W OFF | 0~0.5V | 0mV
S/W ON | Vbatt | 12.45V
25 | Air conditioner switch [Middle] signal input | DC | S/W OFF | 0~0.5V | 0mV
S/W ON | Vbatt | 12.22V
26 | Not connected |  |  |  |
27 | Not connected |  |  |  |
28 | Not connected |  |  |  |
29 | Air Conditioner Compressor Relay control output | DC | Relay ON | 0~0.5V | 118mV
Relay OFF | Vbatt | 13.7V
30 | Canister Close Valve control output | PWM | Inactive | Vbatt |
Active (After warm up & racing) | Frea. : 10Hz |
31 | Not connected |  |  |  |
32 | Not connected |  |  |  |
33 | Not connected |  |  |  |
34 | Fuel Tank Pressure Sensor signal input | DC | Idle | 0.4 ~ 4.6V | 2.5V
35 | Not connected |  |  |  |
36 | CAN [HIGH] | DC (256kbps) | Recessive | 2.0~3.0V | 2.51V
Dominant | 2.75~4.5V | 3.56V
37 | CAN [LOW] | DC (256kbps) | Recessive | 2.0~3.0V | 2.52V
Dominant | 0.5~2.25V | 1.51V
38 | Wheel Speed Sensor (WSS) ground | GND |  | 0V |
39 | Wheel Speed Sensor (WSS) signal input |  | Run Vehicle |  |
40 | Cooling Fan Relay [High] control output | DC | Relay ON | 0V | 543mV
Relay OFF | Vbatt | 13.98V
CONNECTOR [C133-5]
Pin | Description | Type | Vehicle State | Level | Test Result
1 | Ignition coil #3 (Cyl. #3,6) control output | Pulse | Engine Run |  | Hi:14.03V Lo: 0.78~1.13V Peak: 348V Idle: 11.70Hz 3000rpm: 50.2Hz
2 | Ignition coil #2 (Cyl. #2,5) control output | Pulse | Engine Run |  | Hi: 13.98V Lo: 0.77~1.13V Peak: 352V Idle: 11.79Hz 3000rpm: 50.5Hz
3 | Ignition coil #1 (Cyl. #1,4) control output | Pulse | Engine Run |  | Hi: 14.07V Lo: 0.77~1.09V Peak: 352V Idle: 11.88Hz 3000rpm: 49.8Hz
4 | Not connected |  |  |  |
5 | Ignition Coil shield | GND |  | 0V | -0.2mV
6 | Not connected |  |  |  |
7 | Not connected |  |  |  |
8 | Not connected |  |  |  |
9 | Not connected |  |  |  |