3. ECM Terminal Input/Output Signal
CONNECTOR [C144-A]
CONNECTOR SPECIFICATIONS REFERENCE
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | 2nd CAN [High] | Idle | DC | 2.0-3.0V | 2.5V |
| 2 | 2nd CAN [Low] | Idle | DC | 2.0-3.0V | 2.5V |
| 3 | - | ||||
| 4 | - | ||||
| 5 | - | ||||
| 6 | - | ||||
| 7 | - | ||||
| 8 | - | ||||
| 9 | - | ||||
| 10 | Power Steering Switch signal input | ||||
| 11 | - | ||||
| 12 | - | ||||
| 13 | - | ||||
| 14 | - | ||||
| 15 | Alternator load signal input | Idle | PULSE | High: Battery Voltage | 13.6V |
| Low: Max. 1.5V | 0V | ||||
| 140-190Hz | 160Hz | ||||
| 16 | Cruise Switch ground | ||||
| 17 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 18 | Air conditioner switch "ON" signal input | A/C Relay OFF | DC | Battery Voltage | 9.1V |
| A/C Relay ON | Max. 1.0V | 0.1V | |||
| 19 | - | ||||
| 20 | - | ||||
| 21 | Brake switch signal input | Brake pedal releasing | DC | Battery Voltage | 12.7V |
| Brake pedal pressing | Max. 0.5V | 0.03V | |||
| 22 | - | ||||
| 23 | Brake lamp signal input | Brake pedal releasing | DC | Max. 0.5V | 0V |
| Brake pedal pressing | Battery Voltage | 13.0V | |||
| 24 | - | ||||
| 25 | Cruise Switch signal input | ||||
| 26 | Air conditioner blower switch signal input | A/C OFF | DC | Max. 1.0V | 0V |
| A/CON | Battery Voltage | 11.9V | |||
| 27 | Diagnostic Data Line (K-Line) | When transmitting | PULSE | High: Min. Vbatt * 80% | 11.3V |
| Low: Max. Vbatt * 20% | 0.14V | ||||
| When receiving | High: Min. Vbatt * 70% | 11.3V | |||
| Low: Max. Vbatt * 30% | 0.32V | ||||
| 28 | Fuel Tank Pressure Sensor signal input | Idle | DC | 0.4-4.6V | 2.5V |
| 29 | Fuel Lever signal input | ||||
| 30 | - | ||||
| 31 | - | ||||
| 32 | Air Conditioner Pressure Sensor signal input | A/C OFF | DC | 0-5.0V | |
| A/C ON | 1.85-2.2V | ||||
| 33 | Sensor ground | Idle | DC | Max. 50mV | 40mV |
| 34 | - | ||||
| 35 | - | ||||
| 36 | - | ||||
| 37 | Canister Close Valve control output | Active Inactive | PULSE | High: Battery Voltage | 14.0V |
| Low: Max. 1.0V | 170mV | ||||
| 38 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0V | 0V |
| IG ON | Battery Voltage | 12.1V | |||
| 39 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0V | 0V |
| IG ON | Battery Voltage | 12.1V | |||
| 40 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0V | 0V |
| IG ON | Battery Voltage | 12.1V | |||
| 41 | CAN [High] | RECESSIVE | PULSE | 2.0-3.0V | 3.85V |
| DOMINANT | 2.75-4.5V | 2.5V | |||
| 42 | CAN [Low] | RECESSIVE | PULSE | 2.0-3.0V | 2.55V |
| DOMINANT | 2.75-4.5V | 1.34V | |||
| 43 | Main Relay control output | Relay ON | DC | Battery Voltage | 12.3V |
| Relay OFF | Max. 1.0V | 0.87V | |||
| 44 | Intake Air Temperature Sensor signal input | Idle | Analog | 0-5.0V | 1.86V |
| 45 | Immobilizer communication line | ||||
| 46 | - | ||||
| 47 | Mass Air Flow Sensor signal input | Idle | PULSE | High: Vref | 5.04V |
| Low: Max. 0.5V | 0.27V | ||||
| Idle: 3.0KHz | |||||
| 3,000 RPM | High: Vref | 5.04V | |||
| Low: Max. 0.5V | 0.27V | ||||
| 3000 RPM: 4.5 kHz | |||||
| 48 | Sensor ground | Idle | DC | Max. 50mV | 35mV |
| 49 | Accelerator Position Sensor #2 signal input | C.T | Analog | 0.3-0.9V | 0.4V |
| W.O.T | 1.5-3.0V | 2.1V | |||
| 50 | - | ||||
| 51 | Cruise "SET" lamp control output | ||||
| 52 | Vehicle speed signal input | Vehicle running | PULSE | High: Min. 5.0V | 12.6V |
| Low: Max. 1.0V | 0.2V | ||||
| 53 | Sensor ground | Idle | DC | Max. 50mV | 34mV |
| 54 | Accelerator Position Sensor #1 signal input | C.T | Analog | 0.3-0.9V | 0.77V |
| W.O.T | 4.0-4.8V | 4.23V | |||
| 55 | Sensor ground | Idle | DC | Max. 50mV | 36mV |
| 56 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.08V | |||
| 57 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.08V | |||
| 58 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.08V | |||
| 59 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.08V | |||
| 60 | - | ||||
| 61 | Engine speed signal output | Idle | PULSE | High: Battery Voltage | 13.0V |
| Low: Max. 0.5V | 0V | ||||
| 20-26Hz | 35Hz | ||||
| 62 | Fuel consumption signal output | Idle | PULSE | High: Battery Voltage or Vref | 12.8V |
| Low: Max. 0.5V | 0V | ||||
| 63 | Malfunction Indicator Lamp (MIL) control output | MIL OFF | DC | High: Battery Voltage | 4.24V |
| MIL ON | Low: Max. 2.0V | 0V | |||
| 64 | Air Conditioner Compressor Relay control output | A/C OFF | DC | Battery Voltage | 13.0V |
| A/C ON | Max. 1.0V | 0.14V | |||
| 65 | Cooling Fan Relay [Low] control output | ||||
| 66 | Cooling Fan Relay [High] control output | ||||
| 67 | - | ||||
| 68 | Throttle Position Sensor signal (PWM) output | Idle | PULSE | High: Battery Voltage | 12.3V |
| Low: 0-0.5 V | 0V | ||||
| 100Hz | |||||
| 69 | Cruise "CRUISE" lamp control output | ||||
| 70 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage | 12.5V |
| Relay ON | Max. 1.0V | 0.09V | |||
| 71 | Variable Intake Solenoid Valve control output | Active | DC | Max. 1.0V | 0.1V |
| Inactive | Battery Voltage | 12.4V | |||
| 72 | Immobilizer lamp control output | ||||
| 73 | - | ||||
| 74 | - | ||||
| 75 | - | ||||
| 76 | - | ||||
| 77 | - | ||||
| 78 | Purge Control Solenoid Valve control output | Inactive Active | PULSE | High: Battery Voltage | 13.2V |
| Low: Max. 1.0V | 0.08V | ||||
| 16Hz | |||||
| 79 | Wheel Speed Sensor [Low] signal input | ||||
| 80 | Wheel Speed Sensor [High] signal input |
CONNECTOR [C144-B]
CONNECTOR SPECIFICATIONS REFERENCE
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | ETC Motor [-] control output | Idle | PULSE | High: Battery Voltage | 13.3V |
| Low: Max. 1.0V | 0.3V | ||||
| 3.14KHz | |||||
| 2 | ETC Motor [+] control output | Idle | PULSE | High: Battery Voltage | 13.3V |
| Low: Max. 1.0V | 0.4V | ||||
| 3.14KHz | |||||
| 3 | - | ||||
| 4 | CVVT Oil Temperature Sensor signal input | Idle | Analog | 0.5-4.5V | 1.68V |
| 5 | - | ||||
| 6 | - | ||||
| 7 | Engine Coolant Temperature Sensor signal input | Idle | Analog | 0.5-4.5V | 0.47V |
| 8 | Manifold Absolute Pressure Sensor signal input | IG ON | Analog | 3.9-4.1V | 4.01V |
| Idle | 0.8-1.6V | 1.59V | |||
| 9 | - | ||||
| 10 | - | ||||
| 11 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.08V | |||
| 12 | Battery voltage supply after ignition switch | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | Battery Voltage | 12.2V | |||
| 13 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.05V | |||
| 14 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 15 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.06V | |||
| 16 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.06V | |||
| 17 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 18 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 19 | ignition Coil (Cylinder #6) control output | Idle | PULSE | 1st: 300-400V | 272V |
| ON: Max. 2V | 1.2V | ||||
| 5.8Hz | |||||
| 20 | - | ||||
| 21 | Crankshaft Position Sensor [High] signal input | Idle | Sine Wave | Vp_p: Min.L 0V | 8V |
| 700Hz | |||||
| 22 | - | ||||
| 23 | Sensor Shield | Idle | DC | Max. 50mV | 32mV |
| 24 | Camshaft Position Sensor [Bank 2] signal input | Idle | PULSE | High: Vref | 5.08V |
| Low: Max. 0.5V | 0.06V | ||||
| 40Hz | |||||
| 25 | Camshaft Position Sensor [Bank 1] signal input | Idle | PULSE | High: Vref | 5.08V |
| Low: Max. 0.5V | 0.06V | ||||
| 40Hz | |||||
| 26 | - | ||||
| 27 | - | ||||
| 28 | Sensor ground | Idle | DC | Max. 50mV | 27mV |
| 29 | Sensor ground | Idle | DC | Max. 50mV | 27mV |
| 30 | Sensor ground | Idle | DC | Max. 50mV | 26V |
| 31 | Sensor ground | Idle | DC | Max. 50mV | 27mV |
| 32 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9-5.1V | 5.06V | |||
| 33 | Sensor ground | Idle | DC | Max. 50mV | 13mV |
| 34 | Sensor ground | Idle | DC | Max. 50mV | 13mV |
| 35 | Power ground | Idle | DC | Max. 50mV | 0mV |
| 36 | Power ground | Idle | DC | Max. 50mV | 0mV |
| 37 | Power ground | Idle | DC | Max. 50mV | 0mV |
| 38 | Power ground | Idle | DC | Max. 50mV | 2mV |
| 39 | Power ground | Idle | DC | Max. 50mV | 2mV |
| 40 | Ignition Coil (Cylinder #4) control output | Idle | PULSE | 1st: 300~400V | 263V |
| ON: Max. 2V | 1.4V | ||||
| 5.8Hz | |||||
| 41 | Crankshaft Position Sensor [Low] signal input | Idle | Sine Wave | Vp_p: Min.L 0V | 8V |
| 700Hz | |||||
| 42 | - | ||||
| 43 | - | ||||
| 44 | - | ||||
| 45 | - | ||||
| 46 | - | ||||
| 47 | - | ||||
| 48 | Throttle Position Sensor #1 signal input | C.T | Analog | 0.25-0.9V | |
| W.O.T | Min. 4.0V | ||||
| 49 | Heated Oxygen Sensor [Bank 1 / Sensor 1] signal input | Engine Running | DC | Rich: 0.6-1.0V | 0.95V |
| Lean: 0-0.4V | 0.13V | ||||
| 50 | Heated Oxygen Sensor [Bank 1 / Sensor 2] signal input | Engine Running | DC | Rich: 0.6-1.0V | 0.88V |
| Lean: 0-0.4V | 0.21V | ||||
| 51 | Heated Oxygen Sensor [Bank 2 / Sensor 1] signal input | Engine Running | DC | Rich: 0.6-1.0V | 0.91V |
| Lean: 0-0.4V | 0.18V | ||||
| 52 | Heated Oxygen Sensor [Bank 2 / Sensor 2] signal input | Engine Running | DC | Rich: 0.6-1.0V | 0.89V |
| Lean: 0-0.4V | 0.22V | ||||
| 53 | Knock Sensor (KS) #2 [High] signal input | Knocking | Variable Frequency | -0.3-0.3 V | 1.7V |
| Normal | 0 V | ||||
| 54 | Knock Sensor (KS) #2 [Low] signal input | Knocking | Variable Frequency | -0.3-0.3 V | 1.7V |
| Normal | 0 V | ||||
| 55 | Knock Sensor (KS) #1 [Low] signal input | Knocking | Variable Frequency | -0.3-0.3 V | 1.7V\ |
| Normal | 0 V | ||||
| 56 | Knock Sensor (KS) #1 [High] signal input | Knocking | Variable Frequency | -0.3-0.3 V | 1.7V |
| Normal | 0 V | ||||
| 57 | Throttle Position Sensor #2 signal input | C.T | Analog | Min. 4.0V | |
| W.O.T | 0.25-0.9V | ||||
| 58 | Sensor ground | Idle | DC | Max. 50mV | 17mV |
| 59 | - | ||||
| 60 | Ignition Coil (Cylinder #2) control output | Idle | PULSE | 1st: 300~400V | 266V |
| ON: Max. 2V | 1.3V | ||||
| 5.8Hz | |||||
| 61 | CVVT Oil Control Valve [Bank 2] control output | Idle | PULSE | Battery Voltage | 14.5V |
| Max. 1.0V | 0.1V | ||||
| Duty variance when operating the accelerator | 128Hz | ||||
| 62 | CVVT Oil Control Valve [Bank 1] control output | Idle | PULSE | Battery Voltage | 14.3V |
| Max. 1.0V | 0.1V | ||||
| Duty variance when operating the accelerator | 128Hz | ||||
| 63 | Injector (Cylinder #2) control output | Idle | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 57.5V | ||||
| 5.8Hz | |||||
| 64 | Injector (Cylinder #3) control output | Idle | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 56.8V | ||||
| 5.8Hz | |||||
| 65 | - | ||||
| 66 | - | ||||
| 67 | Heated Oxygen Sensor [Bank 2 / Sensor 1] Heater control output | Engine Running | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.17V | ||||
| 16Hz | |||||
| 68 | Injector (Cylinder #4) control output | Idle | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 56.8V | ||||
| 5.8Hz | |||||
| 69 | Injector (Cylinder #5) control output | Idle | PULSE | High: Battery Voltage | 13.7V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 56.8V | ||||
| 5.8Hz | |||||
| 70 | Heated Oxygen Sensor [Bank 1 / Sensor 1] Heater control output | Engine Running | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.17V | ||||
| 16Hz | |||||
| 71 | Injector (Cylinder #6) control output | Idle | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 56.8V | ||||
| 5.8Hz | |||||
| 72 | Injector (Cylinder #1) control output | Idle | PULSE | High: Battery Voltage | 13.8V |
| Low: Max. 1.0V | 0.13V | ||||
| Vpeak: Max. 80V | 56.8V | ||||
| 5.8Hz | |||||
| 73 | Heated Oxygen Sensor [Bank 2 / Sensor 2] Heater control output | Engine Running | PULSE | High: Battery Voltage | 13.9V |
| Low: Max. 1.0V | 0.19V | ||||
| 16Hz | |||||
| 74 | Heated Oxygen Sensor [Bank 1 / Sensor 2] Heater control output | Engine Running | PULSE | High: Battery Voltage | 13.9V |
| Low: Max. 1.0V | 0.18V | ||||
| 16Hz | |||||
| 75 | - | ||||
| 76 | Power Supply (B+) | Always | DC | Battery Voltage | 13.0V |
| 77 | Ignition Coil (Cylinder #3) control output | Idle | PULSE | 1st: 300~400V | 266V |
| ON: Max. 2V | 1.4V | ||||
| 5.8Hz | |||||
| 78 | Ignition Coil (Cylinder #5) control output | Idle | PULSE | 1st: 300~400V | 267V |
| ON: Max. 2V | 1.4V | ||||
| 5.8Hz | |||||
| 79 | Ignition Coil (Cylinder #1) control output | Idle | PULSE | 1st: 300~400V | 268V |
| ON: | Max. 2V 1.4V | ||||
| 5.8Hz | |||||
| 80 | - |