ECM Terminal Input/Output signal
Connector (CHG-K)
PIN DESCRIPTION CHART
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | Power ground | Idle | DC | Max. 50mV | |
| 2 | Battery power (B+) | IG OFF | DC | Max. 0.5V | 10.2mV |
| IG ON | Battery Voltage | 12.02V | |||
| 3 | Power ground | Idle | DC | Max. 50mV | 2.8mV |
| 4 | Battery power (B+) | IG OFF | DC | Max. 1.0V | 3.1mV |
| IG ON | Battery Voltage | 12.1V | |||
| 5 | Power ground | Idle | DC | Max. 50mV | 1.8mV |
| 6 | Battery power (B+) | Always (Without Ignition key) | Current | Below 2.0 mA | 0.4 mA |
| DC | Battery Voltage | 12.88V | |||
| 7 | Wheel Speed Sensor (WSS) (+) signal input | Vehicle Run (30 KPH) | SINE WAVE | 15Hz: Min. 0.13Vpp | |
| 1000Hz: Min. 0.2Vpp | |||||
| 8 | - | ||||
| 9 | Fuel Level Sensor (FLS) signal input | Idle | Analog | Max. 9.0V | 6.85V |
| 10 | - | ||||
| 11 | - | ||||
| 12 | Knock Sensor (KS) signal input | Knocking | Variable Frequency | -0.3 ~ 0.3V | |
| Normal | 0 V | ||||
| 13 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 14 | Sensor ground | Idle | DC | Max. 50mV | 12.4mV |
| 15 | Camshaft Position Sensor (CMPS) (Bank 1/Exhaust) signal input | Idle | Pulse | HI: Vcc or Battery Voltage | 5.0V |
| LO: Max. 0.5V | 0.2V | ||||
| FREQ: 5.36Hz | |||||
| 16 | - | ||||
| 17 | Crankshaft Position Sensor (CKPS) signal input | Idle | Pulse | HI: Vcc or Battery Voltage | 5.00V |
| LO: Max. 0.5V | 40mV | ||||
| FREQ: 600Hz | |||||
| 18 | Rc/Rp (Pump Cell Voltage) | Idle | Analog | Normal: 450±50 mV Rich: Max. Normal+150 mV Lean: Min. Normal-150 mV |
|
| 19 | VS+ (NERNST Cell Voltage) | Idle | Analog | Normal: 450±50 mV Rich: Max. Normal+150 mV Lean: Min. Normal-150 mV |
|
| 20 | VS-/IP-(Common Ground for VS, IP) | Idle | Analog | Reference for V_IP, V_N | |
| 21 | - | ||||
| 22 | Sensor feedback | ||||
| 23 | Fuel consumption signal output | Idle | Pulse | HI: Battery Voltage | 13.7V |
| LO: Max. 0.5V | 0V | ||||
| Frequency | 3.33Hz | ||||
| Pulse Width | 500μs | ||||
| 24 | - | ||||
| 25 | Injector (Cylinder #1) control output | Idle | Pulse | HI: Battery Voltage | 13.8V |
| LO: Max. 1.0V | 200mV | ||||
| Vpeak: Max. 80V | 54.1V | ||||
| Frequency | 5.21Hz | ||||
| Dwell Time | 2.74ms | ||||
| 26 | Injector (Cylinder #3) control output | Idle | Pulse | HI: Battery Voltage | 13.9V |
| LO: Max. 1.0V | 170mV | ||||
| Vpeak: Max. 80V | 53.9V | ||||
| Frequency | 5.18Hz | ||||
| Dwell Time | 2.73ms | ||||
| 27 | Injector (Cylinder #4) control output | Idle | Pulse | HI: Battery Voltage | 14V |
| LO: Max. 1.0V | 160mV | ||||
| Vpeak: Max. 80V | 54.3V | ||||
| Frequency | 5.24Hz | ||||
| Dwell Time | 2.70ms | ||||
| 28 | Injector (Cylinder #2) control output | Idle | Pulse | HI: Battery Voltage | 14.1V |
| LO: Max. 1.0V | 160mV | ||||
| Vpeak: Max. 80V | 53.9V | ||||
| Frequency: 5.21Hz | 5.21Hz | ||||
| Dwell Time: 2.73ms | 2.74ms | ||||
| 29 | Wheel Speed Sensor (WSS) (-) signal input | Vehicle Run (30 KPH) | SINE WAVE | 15Hz: Min. 0.13Vpp | |
| 1000Hz: Min. 0.2Vpp | |||||
| 30 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0mV |
| IG ON | 4.9 ~ 5.1V | 4.98V | |||
| 31 | Manifold Absolute Pressure Sensor (MAPS) signal input | Idle | Analog | 0.8 ~ 1.6V | 1.37V |
| 32 | Throttle Position Sensor (TPS) 2 signal input | C.T | Analog | 4.2 ~ 5.0V | 4.52V |
| W.O.T | 3.3 ~ 3.8V | 3.68V | |||
| 33 | Engine Coolant Temperature Sensor (ECTS) signal input | Idle | Analog | 0.5 ~ 4.5V | 1.02V |
| 34 | Sensor ground | Idle | DC | Max. 50mV | 8mV |
| 35 | Accelerator Position Sensor (APS) 2 signal input | C.T | Analog | Max. 1.0V | 0.4V |
| W.O.T | 1.5 ~ 3.0V | 1.9V | |||
| 36 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 5mV |
| IG ON | 4.9 ~ 5.1V | 5.02V | |||
| 37 | Sensor ground | Idle | DC | Max. 50mV | 11mV |
| 38 | - | ||||
| 39 | Sensor ground | Idle | DC | Max. 50mV | 11mV |
| 40 | Vehicle speed signal input | Vehicle Run | Pulse | HI: Min. 4.5V | 5.0V |
| LO: Max. 0.5V | 0V | ||||
| Frequency | 46.9Hz at Idle | ||||
| Duty (-) | 50.4% at Idle | ||||
| 41 | - | ||||
| 42 | Rc (Compensative Resistance) | Idle | Analog | |Rc-Rc/Rp|<±0.1V | |
| 43 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | |
| IG ON | 4.9 ~ 5.1V | ||||
| 44 | Sensor ground | Idle | DC | Max. 50mV | |
| 45 | - | ||||
| 46 | Alternator (COM) | ||||
| 47 | - | ||||
| 48 | - | ||||
| 49 | - | ||||
| 50 | Variable Intake Solenoid (VIS) Valve control output | Active | DC | Max. 1.0V | 316mV |
| Inactive | Battery Voltage | 14.0V | |||
| 51 | Battery power (B+) | IG OFF | DC | Max. 1.0V | 3.1mV |
| IG ON | Battery Voltage | 12.3V | |||
| 52 | Fuel Tank Pressure Sensor (FTPS) signal input | Idle | DC | 0.4 ~ 4.6V | 2.47V |
| 53 | Intake Air Temperature Sensor (IATS) signal input | Idle | Analog | 0 ~ 5.0V | 2.55V |
| 54 | A/C Pressure Transducer (APT) signal input | Idle | DC | 0.4 ~ 4.6V | A/C OFF: 1.29V A/C ON: 2.01V |
| 55 | - | ||||
| 56 | Blower Motor "MAX" Switch signal input | ||||
| 57 | Sensor ground | Idle | DC | Max. 50mV | 11mV |
| 58 | - | ||||
| 59 | Sensor ground | Idle | DC | Max. 50mV | 6mV |
| 60 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 10mV |
| IG ON | 4.9 ~ 5.1V | 5.02V | |||
| 61 | Sensor ground | Idle | DC | Max. 50mV | 30mV |
| 62 | Camshaft Position Sensor (CMPS) (Bank 1/Intake) signal input | Idle | Pulse | HI: Vcc or Battery Voltage | 5.0V |
| LO: Max. 0.5V | 0.2V | ||||
| Frequency | 5.2Hz | ||||
| 63 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V | 0V |
| IG ON | 4.9 ~ 5.1V | 5.03V | |||
| 64 | Main Relay control output | Relay OFF | DC | Battery Voltage | 12.3V |
| Relay ON | Max. 1.0V | 730mV | |||
| 65 | Cooling Fan Relay (Low) control output | A/C ON | Pulse | HI: Battery Voltage | 10.4V |
| LO: 0 ~ 0.5V | 60mV | ||||
| 66 | CVVT Oil control (OCV) Valve (Bank 1/Intake) control output | Idle | Pulse | HI: Battery Voltage | 15.0V |
| LO: Max. 1.0V | 120mV | ||||
| Frequency | 300Hz | ||||
| Duty (+) | 84.70% | ||||
| 67 | Purge control Solenoid Valve (PCSV) control output | Inactive Active | Pulse | HI: Battery Voltage | 14.3V |
| LO: Max. 1.0V | 80mV | ||||
| Vpeak: Max. 70V | 57.0V | ||||
| Frequency | 16Hz | ||||
| 68 | CVVT Oil control (OCV) Valve (Bank 1/Exhaust) control output | Idle | Pulse | HI: Battery Voltage | 13.5V |
| LO: Max. 1.0V | 100mV | ||||
| Vpeak: Max.70V | 13.5V | ||||
| Frequency | 300Hz | ||||
| 69 | Immobilizer Lamp control output | Lamp OFF | DC | HI: Battery Voltage | 13.2V |
| Lamp ON | LO: Max. 2.0V | 40mV | |||
| 70 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage | 12.8V |
| Relay ON | Max. 1.0V | 40mV | |||
| 71 | ETC Motor (+) control output | Idle | Pulse | HI: Battery Voltage | 13.4V |
| LO: Max. 1.0V | 0V | ||||
| 72 | ETC Motor (-) control output | Idle | Pulse | HI: Battery Voltage | 13.3V |
| LO: Max. 1.0V | 0V | ||||
| 73 | Sensor ground | Idle | DC | Max. 50 mV | 5mV |
| 74 | Sensor ground | Idle | DC | Max. 50 mV | 7mV |
| 75 | Immobilizer communication line | During communicating | Pulse | HI: Min. 8.5V | 11.8V |
| LO: Max. 3.5V | 1.0V | ||||
| 76 | Battery Sensor signal input | ||||
| 77 | CAN (High) | Recessive | Pulse | 2.0 ~ 3.0V | 2.58V |
| Dominant | 2.75~4.5V | 3.54V | |||
| 78 | CAN (Low) | Recessive | Pulse | 2.0 ~ 3.0V | 2.64V |
| Dominant | 0.5~2.25V | 1.52V | |||
| 79 | - | ||||
| 80 | Throttle Position Sensor (TPS) 1 signal input | C.T | Analog | 0.3 ~ 0.9 V | 0.65V |
| W.O.T | 1.5 ~ 3.0 V | 1.63V | |||
| 81 | - | ||||
| 82 | Accelerator Position Sensor (APS) 1 signal input | C.T | Analog | Max. 1.0V | 0.8V |
| W.O.T | Min. 4.0V | 4.0V | |||
| 83 | Sensor ground | Idle | DC | Max. 50 mV | 12mV |
| 84 | Heated Oxygen Sensor (HO2S) (Bank 1/Sensor 2) signal input | Idle | DC | Rich: 0.6 ~ 1.0V | 74 mV |
| Lean: Max. 0.4V | 70mV | ||||
| 85 | Sensor ground | Idle | DC | Max. 50 mV | 10 mV |
| 86 | Engine speed signal output | Idle | Pulse | HI: Battery Voltage | 14.0V |
| LO: Max. 0.5V | 60mV | ||||
| Frequency: 20~26Hz | 21Hz | ||||
| Duty (+) | 50% | ||||
| 87 | A/C Compressor Relay control output | A/C OFF | DC | Battery Voltage | 14.3 V |
| A/C ON | Max. 1.0V | 102mV | |||
| 88 | Cooling Fan Relay (High) control output | Relay OFF | DC | Battery Voltage | |
| Relay ON | Max. 1.0V | ||||
| 89 | Cruise "CRUISE" lamp control output | ||||
| 90 | Cruise "SET" lamp control output | ||||
| 91 | Canister Close Valve (CCV) control output | Inactive Active | Pulse | HI: Battery Voltage | 13.0V |
| LO: Max. 1.0V | 20mV | ||||
| Vpeak: Max. 70V | 57.7V | ||||
| 92 | Malfunction Indicator Lamp (MIL) control output | Lamp OFF | DC | Battery Voltage | 13.8V |
| Lamp ON | Max. 1.0V | 54mV | |||
| 93 | Heated Oxygen Sensor (HO2S) (Bank 1/Sensor 1) Heater control output | Engine Run | Pulse | HI: Battery Voltage | 14.4V |
| LO: Max. 1.0V | 0.36V | ||||
| Frequency | 10.0Hz | ||||
| Duty (+) | 58.30% | ||||
| 94 | Heated Oxygen Sensor (HO2S) (Bank 1/Sensor 2) Heater control output | Engine Run | Pulse | HI: Battery Voltage | 14.0V |
| LO: Max. 1.0V | 0.31V | ||||
| Frequency | 7.68Hz | ||||
| Duty (+) | 53.9% |
Connector (CHG-A)
PIN DESCRIPTION CHART
| Pin No. | Description | Condition | Type | Level | Test Result |
|---|---|---|---|---|---|
| 1 | Ignition Coil (Cylinder #4) control output (With Immobilizer) | Idle | Pulse | 1st Voltage: 300~400V | 416V |
| ON Voltage: Max. 2.0V | 1.4V | ||||
| Ignition Coil (Cylinder #1) control output (Without Immobilizer) | Frequency | 5.2Hz | |||
| Dwell Time | 2.78ms | ||||
| 2 | Shield | Idle | DC | Max. 50mV | 16.8mV |
| 3 | - | ||||
| 4 | - | ||||
| 5 | - | ||||
| 6 | - | ||||
| 7 | - | ||||
| 8 | - | ||||
| 9 | - | ||||
| 10 | - | ||||
| 11 | - | ||||
| 12 | - | ||||
| 13 | Electrical load (Head Lamp) signal input | ||||
| 14 | Alternator (FR) | Idle | Pulse | HI: Battery Voltage | 13.4V |
| LO: Max 1.5V | 40 mV | ||||
| 15 | Ground | Idle | DC | Max. 50 mV | |
| 16 | Ignition Coil (Cylinder #2) control output (With Immobilizer) |
Idle | Pulse | 1st Voltage: 300~400V | 416V |
| ON Voltage: Max. 2.0V | 1.3V | ||||
| Ignition Coil (Cylinder #3) control output (Without Immobilizer) |
Frequency | 5.2Hz | |||
| Dwell Time | 2.73ms | ||||
| 17 | - | ||||
| 18 | - | ||||
| 19 | - | ||||
| 20 | - | ||||
| 21 | - | ||||
| 22 | - | ||||
| 23 | - | ||||
| 24 | - | ||||
| 25 | - | ||||
| 26 | - | ||||
| 27 | - | ||||
| 28 | - | ||||
| 29 | Brake Switch 1 signal input | Brake ON | DC | Battery Voltage | |
| Brake OFF | Max. 0.5 V | ||||
| 30 | Cruise control Switch signal input | Cruise ON | DC | Battery Voltage | |
| Cruise OFF | 4.3 ~ 4.7V | ||||
| 31 | Ignition Coil (Cylinder #1) control output (With Immobilizer) |
Idle | Pulse | 1st Voltage: 300~400V | 408V |
| ON Voltage: Max. 2.0V | 1.6V | ||||
| Ignition Coil (Cylinder #4) control output (Without Immobilizer) |
Frequency | 5.2Hz | |||
| Dwell Time | 2.74ms | ||||
| 32 | - | ||||
| 33 | - | ||||
| 34 | - | ||||
| 35 | - | ||||
| 36 | - | ||||
| 37 | - | ||||
| 38 | - | ||||
| 39 | - | ||||
| 40 | - | ||||
| 41 | - | ||||
| 42 | A/C Blower Switch signal input | A/C S/W OFF | DC | Max. 0.5V | 20mV |
| A/C S/W ON | Battery Voltage | 11.8V | |||
| 43 | Clutch Switch signal input | Release | DC | Max. 0.5V | |
| Push | Battery Voltage | ||||
| 44 | Brake Switch 2 signal input | Push | DC | Max. 0.5V | |
| Normal | Battery Voltage | ||||
| 45 | Motor (+) control output | IG OFF | DC | Max. 0.5V | |
| IG ON | Battery Voltage | ||||
| 46 | Ignition Coil (Cylinder #3) control output (With Immobilizer) |
Idle | Pulse | 1st Voltage: 300~400V | 410V |
| ON Voltage: Max. 2.0V | 1.5V | ||||
| Ignition Coil (Cylinder #2) control output (Without Immobilizer) |
Frequency | 5.2Hz | |||
| Dwell Time | 2.78ms | ||||
| 47 | - | ||||
| 48 | - | ||||
| 49 | - | ||||
| 50 | - | ||||
| 51 | - | ||||
| 52 | - | ||||
| 53 | - | ||||
| 54 | - | ||||
| 55 | - | ||||
| 56 | - | ||||
| 57 | A/C Switch "ON" signal input | A/C OFF | DC | Max. 0.5V | 0V |
| A/C ON | Battery Voltage | 14.0V | |||
| 58 | Power Steering Pressure Switch signal input | S/W ON | DC | Max. 0.5V | |
| S/W OFF | Battery Voltage | ||||
| 59 | - | ||||
| 60 | Motor (-) control output | IG OFF | DC | Max. 0.5V | |
| IG ON | Battery Voltage |