ECM Terminal Input/Output signal
WARNING: This page is about a different car, the 2018 Kia Cadenza. However, it is still accessible from the selected car via links, so may be relevant.
CONNECTOR TERMINALS REFERENCE (A)
| Pin No. | Description | Condition | Type | Level |
|---|---|---|---|---|
| 1 | Ignition Coil (Cylinder #4) control output | Idle | Pulse | Vpeak = 400V |
| Frequency: 0 - 58.3 Hz | ||||
| 2 | Injector (Cylinder #3) [High] control output | IG OFF | Pulse | 0V |
| IG ON | Battery Voltage - 65V | |||
| 3 | Injector (Cylinder #5) [High] control output | IG OFF | Pulse | 0V |
| IG ON | Battery Voltage - 65V | |||
| 4 | Injector (Cylinder #1) [High] control output | IG OFF | Pulse | 0 V |
| IG ON | Battery Voltage - 65V | |||
| 5 | Camshaft Position Sensor (CMPS) [Bank 2/Exhaust] signal input | Idle | Pulse | High: 3.2 - Vcc |
| Low: Max 0.7V | ||||
| Frequency: 0 - 350 Hz | ||||
| 6 | Camshaft Position Sensor (CMPS) [Bank 2/Intake] signal input | Idle | Pulse | High: 3.2 - Vcc |
| Low: Max 0.7V | ||||
| Frequency: 0 - 350 Hz | ||||
| 7 | Throttle Position Sensor (TPS) 2 signal input | C.T | Analog | Min 4.0V |
| W.O.T | 0.25 - 0.9V | |||
| 8 | - | |||
| 9 | Rail Pressure Sensor (RPS) signal input | Idle | DC Voltage | 1.0 - 2.0V |
| 10 | CVVT Oil Temperature Sensor (OTS) signal input | IG ON | Analog | 3.2V (-40°C) |
| 0.1V (150°C) | ||||
| 11 | - | |||
| 12 | - | |||
| 13 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.75 - 5.25V | |||
| 14 | ||||
| 15 | ||||
| 16 | - | |||
| 17 | - | |||
| 18 | - | |||
| 19 | ETC Motor [-] control output | Idle | PWM | High: Battery power |
| Low: Max1.0V | ||||
| Frequency: 1, 500 - 2, 400 Hz | ||||
| Duty: 0 - 98% | ||||
| 20 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output | Idle | PWM | High: Battery power |
| Low: Max 1.15V | ||||
| Duty: 0 - 100% | ||||
| 21 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 1] Heater control output | Idle | PWM | High: Battery power |
| Low: Max 1.15V | ||||
| Duty: 0 - 100% | ||||
| 22 | Ignition Coil (Cylinder #5) control output | Idle | Pulse | Vpeak = 400V |
| Frequency: 0 - 58.3 Hz | ||||
| 23 | Injector (Cylinder #6) [High] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | 0V | |||
| 24 | Injector (Cylinder #2) [High] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | 0V | |||
| 25 | Injector (Cylinder #2) [High] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | 0V | |||
| 26 | Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input | Idle | Pulse | High: 3.2 - Vcc |
| Low: Max 0.7V | ||||
| Frequency: 0 - 350 Hz | ||||
| 27 | Camshaft Position Sensor (CMPS) [Bank 1/Intake] signal input | Idle | Pulse | High: 3.2 - Vcc |
| Low: Max 0.7V | ||||
| Frequency: 0 - 350 Hz | ||||
| 28 | Intake Air Temperature Sensor (IATS) signal input | IG ON | Analog | 3.2V (-40°C) |
| 0.05V (125°C) | ||||
| 29 | Sensor (MAPS) signal input | IG ON | Analog | Approximately 4.44 V |
| Idle | Approximately 0.75 V | |||
| 30 | - | |||
| 31 | - | |||
| 32 | - | |||
| 33 | ||||
| 34 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.75 - 5.25V | |||
| 35 | - | |||
| 36 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.75 - 5.25V | |||
| 37 | - | |||
| 38 | Purge Control Solenoid Valve (PCSV) control output | Idle | PWM | High: Battery power |
| Low: Max 1.0V | ||||
| 39 | - | |||
| 40 | ETC Motor [+] control output | Idle | PWM | High: Battery power |
| Low: Max1.0V | ||||
| Frequency: 1, 500 - 2, 400 Hz | ||||
| Duty: 0 - 98% | ||||
| 41 | - | |||
| 42 | - | |||
| 43 | Ignition Coil (Cylinder #1) control output | Idle | Pulse | Vpeak = 400V |
| Frequency: 0 - 58.3 Hz | ||||
| 44 | Injector (Cylinder #6) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 45 | Injector (Cylinder #3) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 46 | Injector (Cylinder #2) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 47 | Sensor ground | Idle | DC | Max 0.1V |
| 48 | Sensor ground | Idle | DC | Max 0.1V |
| 49 | Sensor ground | Idle | DC | Max 0.1V |
| 50 | - | |||
| 51 | - | |||
| 52 | - | |||
| 53 | - | |||
| 54 | Engine Coolant Temperature Sensor (ECTS) signal input | IG ON | Analog | 3.22V (-40°C) |
| 0.29V (125°C) | ||||
| 55 | Sensor Shield | Idle | DC | Max 0.1V |
| 56 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 57 | - | |||
| 58 | Sensor ground | Idle | DC | Max 0.1V |
| 59 | Sensor ground | Idle | DC | Max 0.1V |
| 60 | Variable Intake Solenoid (VIS) Valve 1 control output | Idle | PWM | High: Battery power |
| Low: Max 1.1V | ||||
| 61 | Variable Intake Solenoid (VIS) Valve 2 control output | Idle | PWM | High: Battery power |
| Low: Max 1.1V | ||||
| 62 | - | |||
| 63 | - | |||
| 64 | Ignition Coil (Cylinder #2) control output | Engine running | Pulse | Vpeak = 360 - 440V |
| Frequency: 125 - 1, 000 Hz | ||||
| (Idle: 333 Hz) | ||||
| 65 | Injector (Cylinder #1) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 66 | Injector (Cylinder #4) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 67 | Injector (Cylinder #5) [Low] control output | IG OFF | Pulse | Battery Voltage - 65V |
| IG ON | Max 5.0V | |||
| 68 | Crankshaft Position Sensor (CKPS) [High] signal input | Idle | SINE WAVE | Vp_p: 0.4 - 200 V |
| Frequency: 55 - 7, 000 Hz | ||||
| 69 | Crankshaft Position Sensor (CKPS) [Low] signal input | Idle | SINE WAVE | Vp_p: 0.4 - 200 V |
| Frequency: 55 - 7, 000 Hz | ||||
| 70 | - | |||
| 71 | - | |||
| 72 | Oil pressure switch signal input | |||
| 73 | - | |||
| 74 | - | |||
| 75 | Throttle Position Sensor (TPS) 1 signal input | C.T | Analog | 0.25 - 0.9V |
| W.O.T | Min 4.0V | |||
| 76 | Knock Sensor (KS) [Bank 1] [Low] signal input | Knocking | Variable Frequency | -0.3 to 0.3V |
| Normal | 0V | |||
| 77 | Knock Sensor (KS) [Bank 2] [Low] signal input | Knocking | Variable Frequency | -0.3 to 0.3V |
| Normal | 0V | |||
| 78 | Sensor ground | Idle | DC | Max 0.1V |
| 79 | Rc/Rp (Pump Cell Voltage) | Idle | Analog | Normal: 450±50 mV |
| Rich: Max Normal+150 mV | ||||
| Lean: Min Normal-150 mV | ||||
| 80 | VS+ (NERNST Cell Voltage) | Idle | Analog | Normal: 450±50 mV |
| Rich: Max Normal+150 mV | ||||
| Lean: Min Normal-150 mV | ||||
| 81 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] signal input | Rich | Analog | Min 0.8V |
| Lean | Max 0.1V | |||
| 82 | VS+ (NERNST Cell Voltage) | Idle | Analog | Normal: 450±50 mV |
| Rich: Max Normal+150 mV | ||||
| Lean: Min Normal-150 mV | ||||
| 83 | Rc (Compensative Resistance) | Idle | Analog | |Rc-Rc/Rp|: Below ± 0.1V |
| 84 | Oil Pressure Solenoid Valve control output | |||
| 85 | Ignition Coil (Cylinder #6) control output | Idle | Pulse | Vpeak = 400V |
| Frequency: 0 - 58.3 Hz | ||||
| 86 | Ignition Coil (Cylinder #3) control output | Idle | Pulse | Vpeak = 400V |
| Frequency: 0 - 58.3 Hz | ||||
| 87 | Fuel Pressure Control Valve (FPCV) [High] control output | Idle | DC Voltage | Battery Voltage |
| Max 1.0V | ||||
| 88 | Fuel Pressure Control Valve (FPCV) [Low] control output | Idle | DC Voltage | Battery Voltage |
| Max 1.0V | ||||
| 89 | Heated Oxygen Sensor (HO2S) [Bank 2/Sensor 2] Heater control output | Idle | PWM | High: Battery power |
| Low: Max 1.15V | ||||
| Duty: 0 - 100% | ||||
| 90 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output | Idle | PWM | High: Battery power |
| Low: Max 1.15V | ||||
| Duty: 0 - 100% | ||||
| 91 | CVVT Oil Control Valve (OCV) [Bank 2/Exhaust] control output | Idle | PWM | High: Battery power |
| Low: Max 1.0V | ||||
| Frequency = 128Hz | ||||
| Duty: 0 - 100% | ||||
| 92 | CVVT Oil Control Valve (OCV) [Bank 1/Exhaust] control output | Idle | PWM | High: Battery power |
| Low: Max 1.0V | ||||
| Frequency = 128Hz | ||||
| Duty: 0 - 100% | ||||
| 93 | Variable Force Solenoid (VFS) [Bank 2/Intake] control output | Idle | PWM | High: Battery power |
| Low: Max 1.0V | ||||
| Frequency = 128Hz | ||||
| 94 | Variable Force Solenoid (VFS) [Bank 1/Intake] control output | Idle | PWM | High: Battery power |
| Low: Max 1.0V | ||||
| Frequency = 128Hz | ||||
| 95 | - | |||
| 96 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.75 - 5.25V | |||
| 97 | Knock Sensor (KS) [Bank 1] [High] signal input | Knocking | Variable Frequency | -0.3 to 0.3V |
| Normal | 0V | |||
| 98 | Knock Sensor (KS) [Bank 2] [High] signal input | Knocking | Variable Frequency | -0.3 to 0.3V |
| Normal | 0V | |||
| 99 | Sensor ground | Idle | DC | Max 0.1V |
| 100 | - | |||
| 101 | Rc (Compensative Resistance) | Idle | |Rc-Rc/Rp|: Below ± 0.1V | |
| 102 | VS-/IP- (Common ground) | Idle | Analog | Reference for V_IP, V_N |
| 103 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] signal input | Idle | DC | Rich: 0.6 - 1.0V |
| Lean: Max 0.4V | ||||
| 104 | VS-/IP- (Common ground) | Idle | Analog | Reference for V_IP, V_N |
| 105 | Rc/Rp (Pump Cell Voltage) | Idle | Analog | Normal: 450±50 mV |
| Rich: Max Normal+150 mV | ||||
| Lean: Min Normal-150 mV |
CONNECTOR TERMINALS REFERENCE (K)
| Pin No. | Description | Condition | Type | Level |
|---|---|---|---|---|
| 1 | ECM ground | Idle | DC | -0.3 to 0.5V |
| 2 | ECM ground | Idle | DC | -0.3 to 0.5V |
| 3 | Battery power (B+) | IG OFF | DC | Max 1.0V |
| IG ON | Battery Voltage (B+) | |||
| 4 | ECM ground | Idle | DC | -0.3 to 0.5V |
| 5 | Battery power (B+) | IG OFF | DC | Max 1.0V |
| IG ON | Battery Voltage (B+) | |||
| 6 | Battery power (B+) | IG OFF | DC | Max 1.0V |
| IG ON | Battery Voltage (B+) | |||
| 7 | - | |||
| 8 | - | |||
| 9 | - | |||
| 10 | - | |||
| 11 | - | |||
| 12 | - | |||
| 13 | Sensor ground | Idle | DC | Max 0.1V |
| 14 | Immobilizer communication line | Transmitting | DC | High: Min Vbatt X 80% |
| Low: Max Vbatt X 20% | ||||
| Receiving | High: Min Vbatt X 70% | |||
| Low: Max Vbatt X 30% | ||||
| 15 | Fuel Level Sender (FLS) signal input [Fuel Pump] | |||
| 16 | - | |||
| 17 | - | |||
| 18 | - | |||
| 19 | - | |||
| 20 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 21 | Main Relay control output | Relay OFF | DC | Battery power |
| Relay ON | Max 1.7V | |||
| 22 | - | |||
| 23 | - | |||
| 24 | - | |||
| 25 | - | |||
| 26 | - | |||
| 27 | - | |||
| 28 | Accelerator Position Sensor (APS) 2 signal input | C.T | Analog | 0.29 - 0.46V |
| W.O.T | 1.93 - 2.18V | |||
| 29 | Fuel Tank Pressure Sensor (FTPS) Signal input | Idle | DC | 0.4 - 4.6 V |
| 30 | - | |||
| 31 | - | |||
| 32 | Fuel Level Sender (FLS) signal input [Sub Fuel Sender] | |||
| 33 | Fuel Pump Relay control output | Relay OFF | DC Voltage | Battery Voltage |
| Relay ON | Max 1.0V | |||
| 34 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 35 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 36 | Sensor power (+5V) | IG OFF | DC | Max 0.5V |
| IG ON | 4.9 - 5.1V | |||
| 37 | - | |||
| 38 | Vehicle speed signal input | Vehicle Running | Pulse | High: Battery power |
| Low: Max 0.5V | ||||
| Frequency: 0.7 (1 km/h) - 200 Hz (240 km/h) | ||||
| Duty: 44 - 56% | ||||
| 39 | - | |||
| 40 | - | |||
| 41 | Start Relay control output | Relay OFF | DC | Battery Voltage (B+) |
| Relay ON | -0.3 to 1.2V | |||
| 42 | - | |||
| 43 | - | |||
| 44 | - | |||
| 45 | Sensor ground | Idle | DC | Max 0.1 V |
| 46 | - | |||
| 47 | Sensor ground | Idle | DC | Max 0.1 V |
| 48 | - | |||
| 49 | Brake Switch [Test] signal input | Brake OFF | DC | Battery Voltage (B+) |
| Brake ON | Max 0.5V | |||
| 50 | - | |||
| 51 | - | |||
| 52 | Sensor ground | Idle | DC | Max 0.1V |
| 53 | - | |||
| 54 | - | |||
| 55 | - | |||
| 56 | - | |||
| 57 | - | |||
| 58 | - | |||
| 59 | - | |||
| 60 | P-CAN [Low] | Recessive | Pulse | 2.0 - 3.0V |
| Dominant | 0.5 - 2.25V | |||
| 61 | - | |||
| 62 | - | |||
| 63 | - | |||
| 64 | A/C Pressure Transducer (APT) signal input | A/C ON | Analog | 0.5 - 4.5V |
| 65 | - | |||
| 66 | - | |||
| 67 | - | |||
| 68 | - | |||
| 69 | LIN (Local Interconnect Network) Serial Bus Line | Transmitting | DC | High: Min Vbatt X 80% |
| Low: Max Vbatt X 20% | ||||
| Receiving | High: Min Vbatt X 70% | |||
| Low: Max Vbatt X 30% | ||||
| 70 | - | |||
| 71 | Cooling fan Relay control output | A/C ON | Pulse | High: Battery power |
| Low: Max 1.1V | ||||
| 72 | Engine speed signal output | Idle | Pulse | High: Battery power |
| Low: Max 1.1V | ||||
| Frequency: 0 - 350 Hz | ||||
| Duty: 47.5 - 52.5% | ||||
| 73 | - | |||
| 74 | - | |||
| 75 | - | |||
| 76 | - | |||
| 77 | P-CAN [High] | Recessive | Pulse | 2.0 - 3.0V |
| Dominant | 2.75 - 4.5V | |||
| 78 | - | |||
| 79 | Start Relay control output | Relay OFF | DC | Battery power |
| Relay ON | Max 1.1V | |||
| 80 | - | |||
| 81 | - | |||
| 82 | Accelerator Position Sensor (APS) 1 signal input | C.T | Analog | 0.7 - 0.8V |
| W.O.T | 3.85 - 4.35V | |||
| 83 | Brake Switch 1 signal input | Brake OFF | DC | Max 0.5V |
| Brake ON | Battery power | |||
| 84 | - | |||
| 85 | - | |||
| 86 | - | |||
| 87 | - | |||
| 88 | - | |||
| 89 | - | |||
| 90 | - | |||
| 91 | Canister Close Valve (CCV) Control output | Inactive | Pulse | High: Battery voltage (B+) Low: Max 1.0 V Vpeak: 42.0 - 60.0 V |