2. ECM Terminal Function
CONNECTOR [C301]
CONNECTOR DESCRIPTION CHART
| Pin | Description | Connected to | Remark |
|---|---|---|---|
| 1 | Power ground | Chassis ground | - |
| 2 | Battery voltage supply after ignition switch | Ignition Switch | - |
| 3 | Power ground | Chassis ground | - |
| 4 | Battery voltage supply after main relay | Main Relay | - |
| 5 | Power ground | Chassis ground | - |
| 6 | Battery voltage supply | Battery | - |
| 7 | Ignition Coil (Cylinder #4) control output | Ignition Coil (Cylinder #4) | With immobilizer |
| Ignition Coil (Cylinder #1) control output | Ignition Coil (Cylinder #1) | Without immobilizer | |
| 8 | Shield | Ignition Coil (Cyl. #1, 2, 3, 4) | - |
| 9 | Sensor ground | Mass Air Flow Sensor (MAFS) & Intake Air Temperature Sensor (IATS) | - |
| 10 | Mass Air Flow Sensor signal input | Mass Air Flow Sensor (MAFS) | - |
| 11 | Throttle Position Sensor #2 signal input | Throttle Position Sensor (TPS) #2 | - |
| 12 | Sensor ground | Accelerator Position Sensor (APS) #2 | - |
| 13 | Accelerator Position Sensor #2 signal input | Accelerator Position Sensor (APS) #2 | - |
| 14 | Sensor ground | Engine Coolant Temperature Sensor (ECTS) | - |
| 15 | Engine Coolant Temperature Sensor signal input | Engine Coolant Temperature Sensor (ECTS) | - |
| 16 | Sensor ground | Heated Oxygen Sensor (Sensor 1) | - |
| 17 | Heated Oxygen Sensor (Sensor 1) signal input | Heated Oxygen Sensor (Sensor 1) | - |
| 18 | Intake Air Temperature Sensor signal input | Intake Air Temperature Sensor (IATS) | - |
| 19 | Sensor ground | Accelerator Position Sensor (APS) #1 | - |
| 20 | Accelerator Position Sensor #1 signal input | Accelerator Position Sensor (APS) #1 | - |
| 21 | Sensor ground | Knock Sensor (KS) | - |
| 22 | Knock Sensor (KS) signal input | Knock Sensor (KS) | - |
| 23 | Sensor power (+5V) | Throttle Position Sensor (TPS) #1,2 | - |
| 24 | Sensor power (+5V) | Accelerator Position Sensor (APS) #1 | - |
| 25 | Injector (Cylinder #1) control output | Injector (Cylinder #1) | - |
| 26 | Injector (Cylinder #3) control output | Injector (Cylinder #3) | - |
| 27 | Injector (Cylinder #4) control output | Injector (Cylinder #4) | - |
| 28 | Injector (Cylinder #2) control output | Injector (Cylinder #2) | - |
| 29 | Ignition Coil (Cylinder #2) control output | Ignition Coil (Cylinder #2) | With immobilizer |
| Ignition Coil (Cylinder #3) control output | Ignition Coil (Cylinder #3) | Without immobilizer | |
| 30 | - | - | - |
| 31 | - | - | - |
| 32 | - | - | - |
| 33 | Fuel Tank Pressure Sensor signal input | Fuel Tank Pressure Sensor (FTPS) | - |
| 34 | Sensor ground | Fuel Tank Pressure Sensor (FTPS) | - |
| 35 | A/C Pressure Transducer signal input | A/C Pressure Transducer (APT) | - |
| 36 | Fuel Level Sensor signal input | Fuel Level Sensor (FLS) | - |
| 37 | Sensor ground | CVVT Oil Temperature Sensor (OTS) | - |
| 38 | Heated Oxygen Sensor (Sensor 2) signal input | Heated Oxygen Sensor (Sensor 2) | - |
| 39 | Sensor ground | Heated Oxygen Sensor (Sensor 2) | - |
| 40 | CVVT Oil Temperature Sensor signal input | CVVT Oil Temperature Sensor (OTS) | - |
| 41 | Throttle Position Sensor #1 signal input | Throttle Position Sensor (TPS) #1 | - |
| 42 | Sensor ground | Throttle Position Sensor (TPS) #1,2 | - |
| 43 | - | - | - |
| 44 | - | - | - |
| 45 | - | - | - |
| 46 | - | - | - |
| 47 | Sensor power (+5V) | Accelerator Position Sensor (APS) #2 | - |
| 48 | Sensor power (+5V) | A/C Pressure Transducer (APT), Fuel Tank Pressure Sensor (FTPS) | - |
| 49 | - | - | - |
| 50 | - | - | - |
| 51 | Ignition Coil (Cylinder #1) control output | Ignition Coil (Cylinder #1) | With immobilizer |
| Ignition Coil (Cylinder #4) control output | Ignition Coil (Cylinder #4) | Without immobilizer | |
| 52 | - | - | - |
| 53 | Vehicle Speed signal input | ABS/ESC Control Module | With ABS/ESC |
| 54 | Power Steering Pressure Switch signal input | Power Steering Pressure Switch | - |
| 55 | Wheel Speed Sensor [+] signal input | Wheel Speed Sensor (WSS) | Without ABS/ESC |
| 56 | Wheel Speed Sensor [-] signal input | Wheel Speed Sensor (WSS) | Without ABS/ESC |
| 57 | Sensor ground | A/C Pressure Transducer (APT) | - |
| 58 | Cruise Remote Control Switch signal input | Cruise Remote Control Switch | - |
| 59 | Ground | Cruise Remote Control Switch | - |
| 60 | A/C Switch "ON" signal input | A/C Switch | - |
| 61 | Alternator FR signal input | Alternator | - |
| 62 | A/C Thermal Switch signal input | A/C Thermal Switch | - |
| 63 | Fuel consumption signal output | Trip Computer | - |
| 64 | Main Relay control output | Main Relay | - |
| 65 | Cooling Fan Relay [Low] control output | Cooling Fan Relay [Low] | - |
| 66 | CVVT Oil Control Valve control output | CVVT Oil Control Valve (OCV) | - |
| 67 | Purge Control Solenoid Valve control output | Purge Control Solenoid Valve (PCSV) | - |
| 68 | - | - | - |
| 69 | Immobilizer Lamp control output | Immobilizer Lamp (Cluster) | - |
| 70 | Fuel Pump Relay control output | Fuel Pump Relay | - |
| 71 | ETC Motor [A] control output | ETC Motor | - |
| 72 | ETC Motor [B] control output | ETC Motor | - |
| 73 | Ignition Coil (Cylinder #3) control output | Ignition Coil (Cylinder #3) | With immobilizer |
| Ignition Coil (Cylinder #2) control output | Ignition Coil (Cylinder #2) | Without immobilizer | |
| 74 | Brake Switch "Redundant" signal input | Brake Switch | - |
| 75 | Immobilizer communication line | Immobilizer Control Module | - |
| 76 | - | - | - |
| 77 | CAN [High] | Other Control Modules | - |
| 78 | CAN [Low] | Other Control Modules | - |
| 79 | Sensor ground | Camshaft Position Sensor (CMPS) | - |
| 80 | Camshaft Position Sensor signal input | Camshaft Position Sensor (CMPS) | - |
| 81 | Sensor ground | Crankshaft Position Sensor (CKPS) | - |
| 82 | Crankshaft Position Sensor signal input | Crankshaft Position Sensor (CKPS) | - |
| 83 | Brake Switch signal input | Brake Switch | - |
| 84 | Clutch Switch signal input | Clutch Switch | Vehicle with M/T |
| 85 | Throttle Position Sensor signal (PWM) output | ECS Control Module | - |
| 86 | Engine Speed signal output | Tachometer | - |
| 87 | A/C Compressor Relay control output | A/C Compressor Relay | - |
| 88 | Cooling Fan Relay [High] control output | Cooling Fan Relay [High] | - |
| 89 | Cruise "MAIN" Lamp control output | Cruise "MAIN" Lamp (Cluster) | - |
| 90 | Cruise "SET" Lamp control output | Cruise "SET" Lamp (Cluster) | - |
| 91 | Canister Close Valve control output | Canister Close Valve (CCV) | - |
| 92 | Malfunction Indicator Lamp (MIL) control output | Cluster (Malfunction Indicator Lamp) | - |
| 93 | Heated Oxygen Sensor (Sensor 1) Heater control output | Heated Oxygen Sensor (Sensor 1) | - |
| 94 | Heated Oxygen Sensor (Sensor 2) Heater control output | Heated Oxygen Sensor (Sensor 2) | - |