ECM Terminal Input/Output Signal
Connector [EBG-K]
ECM TERMINAL INPUT/OUTPUT SIGNAL CHART
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | Power Ground | Idle | DC | Max. 50mV | |
| 2 | Battery voltage supply after ignition switch | IG OFF | DC | Max. 1.0V | 1.18mV |
| IG ON | Battery Voltage | 12.7V | |||
| 3 | Power Ground | Idle | DC | Max. 50mV | -4.37mV |
| 4 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0V | -5.1mV |
| IG ON | Battery Voltage | 12.3V | |||
| 5 | ECM Ground | Idle | DC | Max. 50mV | 10.1mV |
| 6 | Battery Power (B+) | Always | DC | Battery Voltage | 12.2V |
| 7 | Ignition Coil (Cylinder #1, 4) control output [With Immobilizer] | Idle | Pulse | 1st Voltage: 300 ~ 400V | 372V |
| ON Voltage: Max. 2.0V | 1.6V | ||||
| Ignition Coil (Cylinder #2, 3) control output [Without Immobilizer] | Idle | Pulse | 1st Voltage: 300 ~ 400V | 372V | |
| ON Voltage: Max. 2.0V | 1.6V | ||||
| 8 | Shield | Idle | DC | Max. 50mV | 18.3mV |
| 9 | Sensor ground | Idle | DC | Max. 50mV | 18.7mV |
| 10 | Manifold Absolute Pressure Sensor signal input | IG ON | DC | 3.9 ~ 4.1V | 4.09V |
| Idle | 0.8 ~ 1.6V | 1.44V | |||
| 11 | - | ||||
| 12 | Ground | Idle | DC | Max. 50mV | |
| 13 | A/C Pressure Transducer signal input | Idle | DC | 0.4 ~ 4.6V | A/C OFF:1.18V A/C ON:1.48V |
| 14 | Sensor ground | Idle | DC | Max. 50mV | 13.0mV |
| 15 | Engine Coolant Temperature Sensor signal input | Idle | DC | 0.5 ~ 4.5V | 1.84V |
| 16 | Sensor ground | Idle | DC | Max. 50mV | |
| 17 | Heated Oxygen Sensor (Sensor 1) signal input | Racing | Analog | Rich: 0.6 ~ 1.0V | |
| Lean: Max. 0.4V | |||||
| 18 | Intake Air Temperature Sensor signal input | Idle | Analog | 0 ~ 5.0V | 3.63V |
| 19 | - | ||||
| 20 | - | ||||
| 21 | Sensor ground | Idle | DC | Max. 50mV | |
| 22 | Knock Sensor signal input | Knocking | Variable Frequency | ||
| Normal | |||||
| 23 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9 ~ 5.1V | 5.03V | |||
| 24 | - | ||||
| 25 | Injector (Cylinder #1) control output | Idle | DC | Hi: Battery Voltage | 14.4V |
| Lo: Max. 1.0V | 280mV | ||||
| Vpeak: Max. 80V | 48.8V | ||||
| 26 | Injector (Cylinder #3) control output | Idle | DC | Hi: Battery Voltage | 14.2V |
| Lo: Max. 1.0V | 240mV | ||||
| Vpeak: Max. 80V | 49.0V | ||||
| 27 | Injector (Cylinder #4) control output | Idle | DC | Hi: Battery Voltage | 14.4V |
| Lo: Max. 1.0V | 280mV | ||||
| Vpeak: Max. 80V | 48.8V | ||||
| 28 | Injector (Cylinder #2) control output | Idle | DC | Hi: Battery Voltage | 14.2V |
| Lo: Max. 1.0V | 240mV | ||||
| Vpeak: Max. 80V | 49.0V | ||||
| 29 | Ignition Coil (Cylinder #1, 4) control output [With Immobilizer] | Idle | Pulse | 1st Voltage: 300 ~ 400V | 376V |
| ON Voltage: Max. 2.0V | 1.36V | ||||
| Ignition Coil (Cylinder #2, 3) control output [Without Immobilizer] | Idle | Pulse | 1st Voltage: 300 ~ 400 | 376V | |
| ON Voltage: Max. 2.0V | 1.36V | ||||
| 30 | - | ||||
| 31 | - | ||||
| 32 | - | ||||
| 33 | Fuel Tank Pressure Sensor signal input | Idle | DC | 0.4 ~ 4.6 V | 2.58V |
| 34 | Sensor ground | Idle | DC | Max. 50mV | 16.1mV |
| 35 | - | ||||
| 36 | - | ||||
| 37 | Sensor ground | Idle | DC | Max. 50mV | 17.3mV |
| 38 | Heated Oxygen Sensor (Sensor 2) signal input | Racing | Analog | Rich: 0.6 ~ 1.0V | 640mV |
| Lean: Max. 0.4V | 22mV | ||||
| 39 | Sensor ground | Idle | DC | Max. 50mV | 3.14mV |
| 40 | CVVT Oil Temperature Sensor signal input | Idle | Analog | 0.5 ~ 4.5V | 950mV |
| 41 | Throttle Position Sensor signal input | C.T | Analog | 0.25 ~ 0.9V | 307mV |
| W.O.T | Min. 4.0V | 4.28V | |||
| 42 | Sensor ground | Idle | DC | Max. 50mV | 13.6mV |
| 43 | - | ||||
| 44 | - | ||||
| 45 | - | ||||
| 46 | - | ||||
| 47 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 2.61mV |
| IG ON | 4.9 ~ 5.1V | 5.04V | |||
| 48 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 3.16mV |
| IG ON | 4.9 ~ 5.1V | 5.06V | |||
| 49 | - | ||||
| 50 | - | ||||
| 51 | - | ||||
| 52 | - | ||||
| 53 | Vehicle speed signal input | Vehicle Run | Pulse | Hi: Min. 4.5V | 13.0V |
| Lo: Max. 0.5V | -200mV | ||||
| 54 | Power Steering Switch signal input | ||||
| 55 | Wheel Speed Sensor [A] signal input | Vehicle Run (30km/h) | SINE Wave | 15Hz: Min. 0.13Vpp | |
| 1, 000Hz: Min 0.2Vpp | |||||
| Overall: Max. 250Vpp | |||||
| 56 | Wheel Speed Sensor [B] signal input | Vehicle Run (30km/h) | SINE Wave | 15Hz: Min. 0.13Vpp | |
| 1, 000Hz: Min 0.2Vpp | |||||
| Overall: Max. 250Vpp | |||||
| 57 | Sensor ground | Idle | DC | Max. 50mV | 10mV |
| 58 | - | ||||
| 59 | - | ||||
| 60 | A/C switch "ON" signal input | A/C S/W OFF | DC | Max. 1.0V | 0mV |
| A/C S/W ON | Battery Voltage | 12.8V | |||
| 61 | - | ||||
| 62 | A/C thermal switch signal input | A/C S/W OFF | DC | Max. 1.0V | 0mV |
| A/C S/W ON | Battery Voltage | 12.8V | |||
| 63 | Fuel consumption signal output | Idle | Pulse | Hi : Battery Voltage | 13.8V |
| Lo : Max. 1.0V | 0.1V | ||||
| 64 | Main Relay control output | Relay OFF | DC | Battery Voltage | 12.9V |
| Relay ON | Max. 1.0V | 0.88V | |||
| 65 | Cooling Fan Relay [Low] control output | Relay OFF | DC | Battery Voltage | 12.9V |
| Relay ON | Max. 1.0V | 30mV | |||
| 66 | CVVT Oil Control Valve control output | Idle | Pulse | Hi : Battery Voltage | 14.8V |
| Lo : Max. 1.0V | 100mV | ||||
| 67 | Purge Control Solenoid Valve control output | Active Inactive | Pulse | Hi: Battery Voltage | 14.2V |
| Lo: Max. 1.0V | 100mV | ||||
| 68 | - | ||||
| 69 | Immobilizer lamp control output | Lamp OFF | DC | Battery Voltage | |
| Lamp ON | Max. 2.0V | ||||
| 70 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage | 13V |
| Relay ON | Max. 1.0V | 100mV | |||
| 71 | - | ||||
| 72 | - | ||||
| 73 | Battery voltage supply after main relay | IG OFF | DC | Max. 1.0V | -5.1mV |
| IG ON | Battery Voltage | 12.3V | |||
| 74 | - | ||||
| 75 | Immobilizer communication line | When communicating after IG ON | Pulse | Hi: Min. 8.5V | |
| Lo: Max. 3.5V | |||||
| 76 | - | ||||
| 77 | CAN [HIGH] | RECESSIVE | Pulse | 2.0 ~ 3.0V | 2.55V |
| DOMINANT | 2.75 ~ 4.5V | 3.57V | |||
| 78 | CAN [LOW] | RECESSIVE | Pulse | 2.0 ~ 3.0V | 2.55V |
| DOMINANT | 0.5 ~ 2.25V | 1.44V | |||
| 79 | Sensor ground | Idle | DC | Max. 50mV | 10mV |
| 80 | Camshaft Position Sensor signal input | Idle | Pulse | Hi: VCC | 5.0V |
| Lo: Max. 0.5V | 0.2V | ||||
| 81 | Sensor ground | Idle | DC | Max. 50mV | 10mV |
| 82 | Crankshaft Position Sensor signal input | Idle | Pulse | Hi: VCC | 5.0V |
| Lo: Max. 0.5V | 40mV | ||||
| 83 | Fuel Level Sensor signal input | ||||
| 84 | - | ||||
| 85 | - | ||||
| 86 | Engine speed signal output | Idle | Pulse | Hi: Battery Voltage | 14.0V |
| Lo: Max. 0.5V | 100mV | ||||
| Freq : 20 ~ 26Hz | 21.8Hz | ||||
| 87 | A/C Compressor Relay control output | Relay OFF | DC | Battery Voltage | 14.1V |
| Relay ON | Max. 1.0V | 0.1V | |||
| 88 | Cooling Fan Relay [High] control output | Relay OFF | DC | Battery Voltage | 14.1V |
| Relay ON | Max. 1.0V | 320mV | |||
| 89 | Idle Speed Control Actuator [OPEN] control output | Idle | Pulse | Hi: Battery Voltage | 14.6V |
| Lo: Max. 1.0V | 192mV | ||||
| 90 | Idle Speed Control Actuator [CLOSE] control output | Idle | Pulse | Hi: Battery Voltage | 14.9V |
| Lo: Max. 1.0V | 248mV | ||||
| 91 | Canister Close Valve control output | Active Inactive | Pulse | Hi: Battery Voltage | 14.0V |
| Lo: Max. 1.0V | 170mV | ||||
| 92 | Malfunction Indicator Lamp (MIL) control output | Lamp OFF | DC | Battery Voltage | 13V |
| Lamp ON | Max. 1.0V | 50mV | |||
| 93 | Heated Oxygen Sensor (Sensor 1) Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 14V |
| Lo: Max. 1.0V | 0.3V | ||||
| 94 | Heated Oxygen Sensor (Sensor 2) Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 14V |
| Lo: Max. 1.0V | 0.3V |