ECM Terminal Input/Output Signal
WARNING: This page is about a different car, the 2018 Kia Forte. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR PIN DESCRIPTION (A)
| Pin No. | Description | Condition | Type | Level |
|---|---|---|---|---|
| 1 | - | |||
| 2 | ETC Motor [+] control output | Idle | PWM | Operating freq.: 1000Hz (estimated) |
| Forward direction | ||||
| Turn on: Battery voltage | ||||
| Frewheeling: Max. 0.1V | ||||
| Reverse direction | ||||
| Turn on: Max. 0.1V | ||||
| Frewheeling: Max. 0.1V | ||||
| 3 | - | |||
| 4 | Motor [-] control output | |||
| 5 | - | |||
| 6 | - | |||
| 7 | - | |||
| 8 | - | |||
| 9 | - | |||
| 10 | Clutch switch signal input [M/T] | Swich ON | Digital | Min. -0.3V -Max. 0.5V |
| Switch OFF | Battery voltage | |||
| 11 | - | |||
| 12 | - | |||
| 13 | - | |||
| 14 | - | |||
| 15 | Sensor ground | Idle | DC | Max. 0.5V |
| 16 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | Analog | Min. 0.1V - Max |
| 17 | Throttle Position Sensor (TPS) 2 signal input | Idle | Analog | Min. 0.4V - Max. 4.5V |
| 18 | - | |||
| 19 | - | |||
| 20 | - | |||
| 21 | Sensor power (+5V) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 22 | - | |||
| 23 | ETC Motor [-] control output | Idle | PWM | Operating freq.: 1000Hz (estimated) |
| Forward direction | ||||
| Turn on: max 0.1V | ||||
| Frewheeling: max 0.1V | ||||
| Reverse direciton | ||||
| Turn on: Battery voltage | ||||
| Frewheeling: max 0.1V | ||||
| 24 | - | |||
| 25 | Motor [+] control output | |||
| 26 | - | |||
| 27 | - | |||
| 28 | - | |||
| 29 | - | |||
| 30 | - | |||
| 31 | Electrical load signal input | Idle | PWM | Freq.: 125Hz or 200Hz or 60Hz |
| Duty rate 0% - 100% | ||||
| 32 | - | |||
| 33 | - | |||
| 34 | - | |||
| 35 | - | |||
| 36 | - | |||
| 37 | Sensor ground | Idle | DC | Max. 0.5V |
| 38 | Throttle Position Sensor (TPS) 1 signal input | Idle | Analog | Min. 0.4V - Max. 4.5V |
| 39 | - | |||
| 40 | Alternator PWM control output | IG OFF | PWM | Battery voltage |
| IG ON | Max. 0.5V | |||
| 41 | - | |||
| 42 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V - Max. 5.25V | |||
| 43 | - | |||
| 44 | - | |||
| 45 | - | |||
| 46 | - | |||
| 47 | - | |||
| 48 | - | |||
| 49 | - | |||
| 50 | - | |||
| 51 | - | |||
| 52 | - | |||
| 53 | - | |||
| 54 | VCMA Feedback ground | |||
| 55 | - | |||
| 56 | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input | Idle | Pulse | Around 7Hz at 850rpm |
| Around 25Hz at 3000rpm | ||||
| 57 | - | |||
| 58 | - | |||
| 59 | - | |||
| 60 | - | |||
| 61 | Sensor ground | Idle | DC | Max. 0.5V |
| 62 | Manifold Absolute Pressure Sensor (MAPS) signal input | Idle | Analog | Min. 0.8V - Max. 4.2V |
| 63 | Sensor power (+5V) | IG OFF | DC voltage | Max. 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 64 | - | |||
| 65 | - | |||
| 66 | - | |||
| 67 | - | |||
| 68 | - | |||
| 69 | - | |||
| 70 | - | |||
| 71 | - | |||
| 72 | - | |||
| 73 | - | |||
| 74 | Sensor ground | Idle | DC | Max. 0.5V |
| 75 | - | |||
| 76 | VCMA Feedback signal input | |||
| 77 | Camshaft Position Sensor (CMPS) [Bank 1/Exhaust] signal input | Idle | Pulse | Around 7Hz at 850rpm |
| Around 25Hz at 3000rpm | ||||
| 78 | Sensor ground | Idle | DC | Max. 0.5V |
| 79 | - | |||
| 80 | - | |||
| 81 | - | |||
| 82 | - | |||
| 83 | VG (Virtual Ground) | Idle | Analog | Min. 0.2V - Max. 5.2V |
| 84 | VN (NERNST Cell Voltage) | Idle | Analog | Min. 0.2V - Max. 5.2V |
| 85 | - | |||
| 86 | - | |||
| 87 | - | |||
| 88 | - | |||
| 89 | - | |||
| 90 | - | |||
| 91 | - | |||
| 92 | - | |||
| 93 | - | |||
| 94 | - | |||
| 95 | Crankshaft Position Sensor (+) signal input | Idle | Frequency | Vpp Min.: 18V at Idle (for 1 rail) |
| Vpp Max.: 90V at 5000rpm (for 1 rail) | ||||
| 96 | - | |||
| 97 | - | |||
| 98 | Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input | Idle | Pulse | Around 7Hz at 850rpm |
| Around 25Hz at 3000rpm | ||||
| 99 | Sensor ground | Idle | DC | Max. 0.5V |
| 100 | Knock Sensor (KS) signal input | Idle | Analog/Frequency | Freq.: Min. 8KHz - Max. 12KHz |
| Level: Min. 180 - Max. 300mVpp | ||||
| 101 | Intake Air Temperature Sensor (IATS) signal input | Idle | Analog | Min. 0.1V - Max. 4.7V |
| 102 | - | |||
| 103 | - | |||
| 104 | VN (NERNST Cell Voltage) | Idle | Analog | Min. 0.2V - Max. 5.2V |
| 105 | VIP (Current Pump) | Idle | Analog | Min. 0.2V - Max. 5.2V |
CONNECTOR PIN DESCRIPTION (B)
| Pin No. | Description | Condition | Type | Level |
|---|---|---|---|---|
| 1 | Power ground | Idle | DD | Mx 0Va.5m |
| 2 | Power ground | Idle | DC | Max. 50mV |
| 3 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 4 | Power ground | Idle | DC | Max. 50mV |
| 5 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 6 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 7 | - | |||
| 8 | FLEX-RAY (High) | |||
| 9 | - | |||
| 10 | Accelerator Position Sensor (APS) 2 signal input | Idle | Analog | Min. 0.6V -Max. 4.3V |
| 11 | A/C Pressure Transducer (APT) signal input | |||
| 12 | - | |||
| 13 | - | |||
| 14 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V - Max. 5.25V | |||
| 15 | - | |||
| 16 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V - Max. 5.25V | |||
| 17 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V - Max. 5.25V | |||
| 18 | Main Relay control output | Relay OFF | DC | Battery Voltage |
| Relay ON | Min. -.03V -Max. 1.2V | |||
| 19 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage |
| Relay ON | Min. -.03V -Max. 1.2V | |||
| 20 | - | |||
| 21 | - | |||
| 22 | Injector (Cylinder #2) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48-50V | ||||
| 23 | Injector (Cylinder #3) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48-50V | ||||
| 24 | - | |||
| 25 | FLEX-RAY (Low) | |||
| 26 | Electrical signal input [Blower Max. Switch] | |||
| 27 | Accelerator Position Sensor (APS) 1 signal input | Idle | Analog | Min. 0.6V -Max. 4.3V |
| 28 | Sensor ground | Idle | DC | Max. 50mV |
| 29 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input | Idle | Analog | Min. 0.6V - Max. 1.0V |
| DC | ||||
| 30 | Fuel Tank Pressure Sensor signal input | |||
| 31 | - | |||
| 32 | - | |||
| 33 | - | |||
| 34 | Start Motor contol switch | Switch ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V - Max. 0.5V | |||
| 35 | CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output | Idle | PWM | Operating freq. range: 300Hz |
| Duty rate: 0% - 100% | ||||
| 36 | CVVT Oil Control (OCV) Valve [Bank 1/Intake] #1 control output | Idle | PWM | Operating freq. range: 300Hz |
| Duty rate: 0% - 100% | ||||
| 37 | - | |||
| 38 | A/C Relay control output | Relay OFF | DC | Battery Voltage |
| Relay ON | Min. -.03V -Max. 1.2V | |||
| 39 | Injector (Cylinder #4) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48-50V | ||||
| 40 | Ignition Coil (Cylinder #2) control output | Idle | Pulse | Turn on: Max. 1.6V |
| Ignition Coil (Cylinder #3) control output | Turn off: Battery voltage | |||
| 41 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 42 | - | |||
| 43 | - | |||
| 44 | - | |||
| 45 | Sensor ground | Idle | DC | Max. 50mV |
| 46 | Sensor ground | Idle | DC | Max. 50mV |
| 47 | Sensor ground | Idle | DC | Max. 50mV |
| 48 | - | |||
| 49 | - | |||
| 50 | Sensor ground | Idle | DC | Max. 50mV |
| 51 | - | |||
| 52 | - | |||
| 53 | - | |||
| 54 | Canister Close Valve (CCV) control output | |||
| 55 | CVVT Oil Control (OCV) Valve [Bank 1/Intake] #2 control output | |||
| 56 | Injector (Cylinder #1) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48-50V | ||||
| 57 | Ignition Coil (Cylinder #1) control output | Idle | Pulse | Turn on: Max. 1.6V |
| Ignition Coil (Cylinder #4) control output | Turn off: Battery voltage | |||
| 58 | - | |||
| 59 | - | |||
| 60 | C-CAN [Low] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 0-0.5V | |||
| 61 | Fuel Tank Level Sensor signal input | |||
| 62 | - | |||
| 63 | - | |||
| 64 | - | |||
| 65 | Brake Light Switch signal input | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V -Max. 0.5V | |||
| 66 | Start signal input | |||
| 67 | Engine speed signal output | Idle | Frequency | Around 26Hz at 850rpm, idle |
| Around 16Hz at 3000rpm | ||||
| 68 | Immobilizer communication line | When communicating after IG ON | Pulse | Hi: Min. 8.5V |
| Lo: Max. 3.5V | ||||
| 69 | - | |||
| 70 | - | |||
| 71 | Purge Control Solenoid Valve (PCSV) control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 1.76V | |||
| 72 | Electronic Thermo Sensor signal input | |||
| 73 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 0.5V | |||
| 74 | Ignition Coil (Cylinder #2) control output | Idle | Pulse | Turn on: Max. 1.6V |
| Ignition Coil (Cylinder #3) control output | Turn off: Battery voltage | |||
| 75 | - | |||
| 76 | - | |||
| 77 | C-CAN [High] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 2.75~4.5V | |||
| 78 | - | |||
| 79 | Vehicle speed signal input | Idle | Frequency | Duty rate 40% - 60% |
| 80 | Electrical load signal input [Wiper] | |||
| 81 | - | |||
| 82 | - | |||
| 83 | Brake Test Switch signal input | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V -Max. 0.5V | |||
| 84 | - | |||
| 85 | LIN communication | |||
| 86 | Cooling Fan Relay [Low] control output | IG OFF | PWM | Battery voltage |
| IG ON | Min. -0.3V -Max. 1.2V | |||
| 87 | Cooling Fan Relay [High] control output | IG OFF | DC | Battery voltage |
| IG ON | Min. -0.3V -Max. 1.2V | |||
| 88 | Variable Intake Solenoid (VIS) Valve control output | |||
| 89 | - | |||
| 90 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 0.5V | |||
| 91 | Ignition Coil (Cylinder #1) control output | Idle | Pulse | Turn on: Max. 1.6V |
| Ignition Coil (Cylinder #4) control output | Turn off: Battery voltage |