ECM Terminal Input/Output Signal
Connector [C201-A]
ECM CONNECTOR PIN REFERENCE CHART
| 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 | S/W ON | DC | Max. 0.5V | -0.125V |
| S/W OFF | Battery Voltage | 13.47V | |||
| 11 | - | ||||
| 12 | - | ||||
| 13 | - | ||||
| 14 | - | ||||
| 15 | Alternator load signal input | Idle | Pulse | Hi: Battery Voltage | 13.67V |
| Lo: Max 1.5 V | -0.125mV | ||||
| 16 | Ground | Idle | DC | Max. 50 mV | 22.44mV |
| 17 | Sensor ground | Idle | DC | Max. 0.5V | 23.41mV |
| 18 | A/C switch "ON" signal input | A/C Relay OFF | DC | Battery Voltage | 12.37V |
| A/C Relay ON | Max. 1.0V | -25mV | |||
| 19 | - | ||||
| 20 | - | ||||
| 21 | Brake Switch 2 signal input | Pedal Release | DC | Battery Voltage | 13.97V |
| Pedal Push | Max. 0.5V | -25mV | |||
| 22 | - | ||||
| 23 | Brake Switch 1 signal input | Pedal Release | DC | Max. 0.5V | -225mV |
| Pedal Push | Battery Voltage | 12.97V | |||
| 24 | - | ||||
| 25 | Cruise Control Switch signal input | All Release | DC | 4.3-4.7V | 4.39V |
| Main SW | Battery Voltage | 13.37V | |||
| Set SW | 1.3-1.7V | 1.38V | |||
| Resume SW | 2.8-3.2V | 2.82V | |||
| Cancel SW | -0.2-0.2V | -37.54mV | |||
| 26 | A/C Thermal Switch signal input | A/C OFF | DC | Max. 1.0V | -25mV |
| A/C ON | Battery Voltage | 12.57V | |||
| 27 | - | ||||
| 28 | Fuel Tank Pressure Sensor (FTPS) signal input | Idle | DC | 0-5.0V | 1.42V |
| 29 | Fuel Level Sensor (FLS) signal input | IG ON | DC | 0-Battery Voltage | |
| Idle | |||||
| 30 | - | ||||
| 31 | - | ||||
| 32 | A/C Pressure Transducer (APT) signal input | A/C OFF | DC | 0-5V | 1.36V |
| A/C ON | 1.83V | ||||
| 33 | Sensor ground | Idle | DC | Max. 50 mV | 22.66mV |
| 34 | - | ||||
| 35 | - | ||||
| 36 | - | ||||
| 37 | Canister Close Valve (CCV) control output | ||||
| 38 | Battery Power (B+) | IG OFF | DC | Max. 1.0 V | -25mV |
| IG ON | Battery Voltage | 12.77V | |||
| 39 | Battery Power (B+) | IG OFF | DC | Max. 1.0 V | -25mV |
| IG ON | Battery Voltage | 12.77V | |||
| 40 | Battery Power (B+) | IG OFF | DC | Max. 1.0 V | -25mV |
| IG ON | Battery Voltage | 12.37V | |||
| 41 | CAN [High] | Recessive | Pulse | 2.0-3.0 V | 2.4V |
| Dominant | 2.75~4.5 V | 3.56V | |||
| 42 | CAN [Low] | Recessive | Pulse | 2.0-3.0 V | 2.42V |
| Dominant | 0.5~2.25 V | 1.62V | |||
| 43 | Main Relay control output | Relay ON | DC | Battery Voltage | 0.875V |
| Relay OFF | Max. 1.0V | 12.47V | |||
| 44 | Intake Air Temperature Sensor (IATS) signal input | Idle | Analog | 0-5V | 2.05V |
| 45 | Immobilizer Communication Line | When communicating after IG ON | Pulse | Hi: Min. 8.5V | 11.87V |
| Lo: Max. 3.5V | 875mV | ||||
| 46 | - | ||||
| 47 | Mass Air Flow Sensor (MAFS) signal input | Idle | Pulse | Hi: Vcc | 4.97V |
| Lo: Max. 0.5V | 70mV | ||||
| 48 | Sensor ground | Idle | DC | Max. 50 mV | 22.52mV |
| 49 | Accelerator Position Sensor (APS) 2 signal input | C.T | Analog | 0.3-0.9V | 0.38V |
| W.O.T | 1.5-3.0V | 2V | |||
| 50 | - | ||||
| 51 | Cruise "SET" Lamp control output | Cruise OFF | DC | Battery Voltage | 12.57V |
| Cruise ON | Max. 1.0V | -25mV | |||
| 52 | Vehicle speed signal input | Vehicle Run | Pulse | Hi: Min. 5.0V | 11.07V |
| Lo: Max. 1.0V | -125mV | ||||
| 53 | Sensor ground | Idle | DC | Max. 50 mV | 22.37mV |
| 54 | Accelerator Position Sensor (APS) 1 signal input | C.T | Analog | 0.3-0.9V | 819mV |
| W.O.T | 4.0-4.8V | 4.01V | |||
| 55 | Sensor ground | Idle | DC | Max. 50mV | 22.6mV |
| 56 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.95V |
| IG ON | 4.9-5.1V | -10mV | |||
| 57 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.95V |
| IG ON | 4.9-5.1V | -10mV | |||
| 58 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.95V |
| IG ON | 4.9-5.1V | -10mV | |||
| 59 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.95V |
| IG ON | 4.9-5.1V | -10mV | |||
| 60 | - | ||||
| 61 | Engine speed signal output | Idle | Pulse | Hi: Battery Voltage | 13.57V |
| Lo: Max. 0.5V | -25mV | ||||
| 20-26Hz | |||||
| 62 | Fuel consumption signal output | Idle | Pulse | Hi: Battery Voltage | 13.57V |
| Lo: Max. 0.5V | -25mV | ||||
| 63 | Malfunction Indicator Lamp (MIL) control output | Lamp OFF | DC | Hi: Battery Voltage | 13.37V |
| Lamp ON | Lo: Max. 2.0V | -25mV | |||
| 64 | A/C Compressor Relay control output | A/C OFF | DC | Battery Voltage | 13.97V |
| A/C ON | Max. 1.0V | 175mV | |||
| 65 | Cooling Fan Relay [Low] control output | Fan OFF | DC | Battery Voltage | 13.77V |
| Fan ON | Max. 1.0V | 175mV | |||
| 66 | Cooling Fan Relay [High] control output | Fan OFF | DC | Battery Voltage | 13.57V |
| Fan ON | Max. 1.0V | -25mV | |||
| 67 | Variable Intake Solenoid (VIS) Valve control output | Active | DC | Max. 1.0 V | 13.77 |
| Inactive | Battery Voltage | -25mV | |||
| 68 | - | ||||
| 69 | Cruise "MAIN" Lamp control output | Cruise OFF | DC | Battery Voltage | 12.37V |
| Cruise ON | Max. 1.0V | -25mV | |||
| 70 | Fuel Pump Relay control output [Without Immobilizer] | Relay OFF | DC | Battery Voltage | 12.57V |
| Relay ON | Max. 1.0V | -25mV | |||
| Variable Intake Solenoid (VIS) Valve control output [With Immobilizer] | Active | DC | Max. 1.0V | 175mV | |
| Inactive | Battery Voltage | 13.77V | |||
| 71 | Variable Intake Solenoid (VIS) Valve control output [Without Immobilizer] | Active | DC | Max. 1.0V | 175mV |
| Inactive | Battery Voltage | 13.77V | |||
| Fuel Pump Relay control output [With Immobilizer] | Relay OFF | DC | Battery Voltage | 12.57V | |
| Relay ON | Max. 1.0V | -25mV | |||
| 72 | Immobilizer lamp control output | Lamp OFF | DC | Battery Voltage | 12.77V |
| Lamp ON | Max. 1.0V | -25mV | |||
| 73 | - | ||||
| 74 | - | ||||
| 75 | - | ||||
| 76 | - | ||||
| 77 | - | ||||
| 78 | Purge Control Solenoid Valve (PCSV) control output | Inactive | Pulse | Hi: Battery Voltage | 13.83V |
| Active | Lo: Max. 1.0V | 31.54mV | |||
| 79 | - | ||||
| 80 | - |
Connector [C201-B]
ECM CONNECTOR PIN REFERENCE CHART
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | ETC Motor [-] control output | Idle | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | -125mV | ||||
| 2 | ETC Motor [+] control output | Idle | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | -325mV | ||||
| 3 | - | ||||
| 4 | CVVT Oil Temperature Sensor (OTS) signal input | Idle | Analog | 0-5.0V | 282mV at 96°C |
| 5 | - | ||||
| 6 | - | ||||
| 7 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | Analog | 0-5.0V | 1.88V |
| 8 | Manifold Absolute Pressure Sensor (MAPS) signal input | IG ON | Analog | 3.9-4.1V | 3.96V |
| Idle | 0.8-1.6V | 1.31V | |||
| 9 | - | ||||
| 10 | - | ||||
| 11 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.91V |
| IG ON | 4.9-5.1V | -50mV | |||
| 12 | Battery Power (+5V) | IG OFF | DC | Max. 0.5 V | 13.87V |
| IG ON | Battery Voltage | -125mV | |||
| 13 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.89V |
| IG ON | 4.9-5.1V | -70mV | |||
| 14 | Sensor ground | Idle | DC | Max. 50 mV | 19.77mV |
| 15 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.91V |
| IG ON | 4.9-5.1V | -50mV | |||
| 16 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.91V |
| IG ON | 4.9-5.1V | -50mV | |||
| 17 | Sensor ground | Idle | DC | Max. 50 mV | 21.1mV |
| 18 | Sensor ground | Idle | DC | Max. 50 mV | 20.87mV |
| 19 | Ignition Coil (Cylinder #6) control output | Idle | Pulse | 1st Voltage: 200~400V | 278V |
| ON Voltage: Max. 2V | 1.97V | ||||
| 20 | - | ||||
| 21 | Crankshaft Position Sensor [High] signal input | Idle | SINE WAVE | Vp_p: Min.1.0V | 41.6V |
| 22 | - | ||||
| 23 | Sensor Shield | Idle | DC | Max. 50 mV | 21.41mV |
| 24 | Camshaft Position Sensor [Bank 2] signal input | Idle | Pulse | Hi: Vcc | 4.95V |
| Lo: Max. 0.5V | -10mV | ||||
| 25 | Camshaft Position Sensor [Bank 1] signal input | Idle | Pulse | Hi: Vcc | 4.95V |
| Lo: Max. 0.5V | -10mV | ||||
| 26 | - | ||||
| 27 | - | ||||
| 28 | Sensor ground | Idle | DC | Max. 50 mV | 20.73mV |
| 29 | Sensor ground | Idle | DC | Max. 50 mV | 21.9mV |
| 30 | Sensor ground | Idle | DC | Max. 50 mV | 20.16mV |
| 31 | Sensor ground | Idle | DC | Max. 50 mV | 20.63mV |
| 32 | Sensor Power (+5V) | IG OFF | DC | Max. 0.5V | 4.91V |
| IG ON | 4.9-5.1V | -50mV | |||
| 33 | Sensor ground | Idle | DC | Max. 50 mV | 22.52mV |
| 34 | Sensor ground | Idle | DC | Max. 50 mV | 20.99mV |
| 35 | Power ground | Idle | DC | Max. 50 mV | |
| 36 | Power ground | Idle | DC | Max. 50 mV | |
| 37 | Power ground | Idle | DC | Max. 50 mV | |
| 38 | Power ground | Idle | DC | Max. 50 mV | |
| 39 | Power ground | Idle | DC | Max. 50 mV | |
| 40 | Ignition Coil (Cylinder #4) control output | Idle | Pulse | 1st Voltage: 2300~400V | 294V |
| ON Voltage: Max. 2V | 1.93V | ||||
| 41 | Crankshaft Position Sensor [Low] signal input | Idle | SINE WAVE | Vp_p: Min.1.0V | 8.24V |
| 42 | - | ||||
| 43 | - | ||||
| 44 | - | ||||
| 45 | - | ||||
| 46 | - | ||||
| 47 | - | ||||
| 48 | Throttle Position Sensor (TPS) 1 signal input | C.T | Analog | 0.25-0.9V | 0.68V |
| W.O.T | Min. 4.0V | 4.27V | |||
| 49 | Heated Oxygen Sensor [Bank 1/Sensor 1] signal input | Racing | DC | Rich: 0.6-1.0V | 774mV |
| Lean: 0-0.4V | 137mV | ||||
| 50 | Heated Oxygen Sensor [Bank 1/Sensor 2] signal input | Racing | DC | Rich: 0.6-1.0V | |
| Lean: 0-0.4V | |||||
| 51 | Heated Oxygen Sensor [Bank 2/Sensor 1] signal input | Racing | DC | Rich: 0.6-1.0V | 705.2mV |
| Lean: 0-0.4V | 82mV | ||||
| 52 | Heated Oxygen Sensor [Bank 2/Sensor 2] signal input | Racing | DC | Rich: 0.6-1.0V | |
| Lean: 0-0.4V | |||||
| 53 | Knock Sensor (KS) [Bank 2] [High] signal input | Knocking | Variable Frequency | -0.3-0.3 V | |
| Normal | 0 V | ||||
| 54 | Knock Sensor (KS) [Bank 2] [Low] signal input | Knocking | Variable Frequency | -0.3-0.3 V | |
| Normal | 0 V | ||||
| 55 | Knock Sensor (KS) [Bank 1] [Low] signal input | Knocking | Variable Frequency | -0.3-0.3 V | |
| Normal | 0 V | ||||
| 56 | Knock Sensor (KS) [Bank 1] [High] signal input | Knocking | Variable Frequency | -0.3-0.3 V | |
| Normal | 0 V | ||||
| 57 | Throttle Position Sensor (TPS) 2 signal input | C.T | Analog | Min. 4.0V | 4.23V |
| W.O.T | 0.25-0.9V | 703mV | |||
| 58 | Sensor ground | Idle | DC | Max. 50 mV | 21.64mV |
| 59 | - | ||||
| 60 | Ignition Coil (Cylinder #2) control output | Idle | Pulse | 1st Voltage: 200~400V | 305V |
| ON Voltage: Max. 2V | 1.85V | ||||
| 61 | CVVT Oil Control Valve [Bank 2/Intake] control output | Idle | Pulse | Battery Voltage | 14.45V |
| Max. 1.0V | 50mV | ||||
| 62 | CVVT Oil Control Valve [Bank 1/Intake] control output | Idle | Pulse | Battery Voltage | 14.47V |
| Max. 1.0V | 75mV | ||||
| 63 | Injector (Cylinder #2) control output | Idle | Pulse | Battery Voltage | 14.06V |
| Max. 1.0V | 44.2mV | ||||
| 64 | Injector (Cylinder #3) control output | Idle | Pulse | Battery Voltage | 14V |
| Max. 1.0V | 38.31mV | ||||
| 65 | - | ||||
| 66 | - | ||||
| 67 | Heated Oxygen Sensor [Bank 2/Sensor 1] Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | 275mV | ||||
| 68 | Injector (Cylinder #4) control output | Idle | Pulse | Hi: Battery Voltage | 13.96V |
| Lo: Max. 1.0V | 55.71mV | ||||
| 69 | Injector (Cylinder #5) control output | Idle | Pulse | Hi: Battery Voltage | 14V |
| Lo: Max. 1.0V | 40.82mV | ||||
| 70 | Heated Oxygen Sensor [Bank 1/Sensor 1] Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | 275mV | ||||
| 71 | Injector (Cylinder #6) control output | Idle | Pulse | Hi: Battery Voltage | 13.95mV |
| Lo: Max. 1.0V | 55.77mV | ||||
| 72 | Injector (Cylinder #1) control output | Idle | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | 56.7mV | ||||
| 73 | Heated Oxygen Sensor [Bank 2/Sensor 2] Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 13.87V |
| Lo: Max. 1.0V | 275mV | ||||
| 74 | Heated Oxygen Sensor [Bank 1/Sensor 2] Heater control output | Engine Run | Pulse | Hi: Battery Voltage | 14.07V |
| Lo: Max. 1.0V | 275mV | ||||
| 75 | - | ||||
| 76 | Battery Power (B+) | Always | DC | Battery Voltage | 12.39V |
| 1.0 mA or below 1.5 mA | 0.34mA | ||||
| 77 | Ignition Coil (Cylinder #3) control output | Idle | Pulse | 1st Voltage: 200~400V | 289V |
| ON Voltage: Max. 2V | 1.87V | ||||
| 78 | Ignition Coil (Cylinder #5) control output | Idle | Pulse | 1st Voltage: 200~400V | 279V |
| ON Voltage: Max. 2V | 1.93V | ||||
| 79 | Ignition Coil (Cylinder #1) control output | Idle | Pulse | 1st Voltage: 200~400V | 269V |
| ON Voltage: Max. 2V | 1.91V | ||||
| 80 | - |