Connector [CNG-AB]
WARNING: This page is about a different car, the 2014 Hyundai Elantra GT and 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
| Pin No. | Description | Condition | Type | Level |
|---|---|---|---|---|
| 1 | Power ground | Idle | DC | Max. 50mV |
| 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 | Wheel speed sensor signal input | |||
| 8 | - | |||
| 9 | - | |||
| 10 | Brake Test Switch signal input | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~Max. 0.5V | |||
| 11 | A/C Compressor switch signal output | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~Max. 0.5V | |||
| 12 | - | |||
| 13 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V ~ Max. 5.25V | |||
| 14 | - | |||
| 15 | Alternator PWM signal input [FR] | Idle | PWM | Battery voltage |
| 16 | Alternator PWM signal output [COM] | IG OFF | PWM | Battery voltage |
| IG ON | Max. 0.5V | |||
| 17 | - | |||
| 18 | Cooling Fan Relay [High] control output | IG OFF | DC | Battery voltage |
| IG ON | Min. -0.3V ~Max. 1.2V | |||
| 19 | Immobilizer Lamp control output | Lamp ON | DC | Min. -0.3V ~ Max. 1.2V |
| Lamp OFF | Battery voltage | |||
| 20 | ETC Motor [+] control output | Idle | PWM | Operating freq.: 1000Hz (estimated) |
| Forward direction Turn on: Battery voltage Frewheeling: Max. 0.1V |
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| Reverse direction Turn on: Max. 0.1V Frewheeling: Max. 0.1V |
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| 21 | ETC Motor [-] control output | Idle | PWM | Operating freq.: 1000Hz (estimated) |
| Forward direction Turn on: max 0.1V Frewheeling: max 0.1V |
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| Reverse direction Turn on: Battery voltage Frewheeling: max 0.1V |
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| 22 | Electrical load signal input [Wiper] | Idle | PWM | Battery voltage |
| 23 | Injector (Cylinder #1) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48~50V | ||||
| 24 | Sensor ground | |||
| 25 | - | |||
| 26 | - | |||
| 27 | Brake Light Switch signal input | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~Max. 0.5V | |||
| 28 | A/C request switch signal output | Swich ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~Max. 0.5V | |||
| 29 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V ~ Max. 5.25V | |||
| 30 | Sensor power (+5V) | IG OFF | DC | Max. 0.5V |
| IG ON | Min. 4.75V ~ Max. 5.25V | |||
| 31 | - | |||
| 32 | - | |||
| 33 | Cooling Fan Relay [Low] control output | IG OFF | PWM | Battery voltage |
| IG ON | Min. -0.3V ~Max. 1.2V | |||
| 34 | - | |||
| 35 | - | |||
| 36 | - | |||
| 37 | - | |||
| 38 | - | |||
| 39 | - | |||
| 40 | Injector (Cylinder #3) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48~50V | ||||
| 41 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 42 | - | |||
| 43 | - | |||
| 44 | Sensor ground | Idle | DC | Max. 50mV |
| 45 | A/C Pressure Transducer (APT) signal input | |||
| 46 | Sensor ground | Idle | DC | Max. 50mV |
| 47 | Sensor ground | Idle | DC | Max. 50mV |
| 48 | - | |||
| 49 | Sensor ground | Idle | DC | Max. 50mV |
| 50 | - | |||
| 51 | - | |||
| 52 | Start Motor contol switch | Switch ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~ Max. 0.5V | |||
| 53 | Main Relay control output | IG OFF | DC | Min. -.03V ~Max. 1.2V |
| IG ON | Battery Voltage | |||
| 54 | - | |||
| 55 | - | |||
| 56 | - | |||
| 57 | Injector (Cylinder #4) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48~50V | ||||
| 58 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 59 | CCP CAN [Low] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 0~0.5V | |||
| 60 | C-CAN [Low] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 0~0.5V | |||
| 61 | - | |||
| 62 | - | |||
| 63 | Accelerator Position Sensor (APS) 1 signal input | Idle | Analog | Min. 0.6V ~Max. 4.3V |
| 64 | Accelerator Position Sensor (APS) 2 signal input | Idle | Analog | Min. 0.3V ~Max. 2.1V |
| 65 | Electrical signal input [Blower Max. Switch] | Idle | Analog | Min. 0.5V ~Max. 4V |
| 66 | - | |||
| 67 | A/C Compressor Relay control output | Relay OFF | DC | Battery voltage |
| Relay ON | Min. -0.3V ~Max. 1.2V | |||
| 68 | Variable Intake Solenoid (VIS) Valve control output | |||
| 69 | - | |||
| 70 | Fuel Pump Relay control output | Relay OFF | DC | Battery Voltage |
| Relay ON | Min. -.03V ~Max. 1.2V | |||
| 71 | Engine speed signal output | Idle | Frequency | Around 26Hz at 850rpm, idle |
| Around 16Hz at 3000rpm | ||||
| 72 | - | |||
| 73 | - | |||
| 74 | Injector (Cylinder #2) control output | Idle | DC | Hi: Battery voltage |
| LO: Max. 0.5V | ||||
| 48~50V | ||||
| 75 | Battery power (B+) | IG OFF | DC | Max. 0.5V |
| IG ON | Battery Voltage | |||
| 76 | CCP CAN [High] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 2.75~4.5V | |||
| 77 | C-CAN [High] | RECESSIVE | Pulse | 2.0~3.0V |
| DOMINANT | 2.75~4.5V | |||
| 78 | Vehicle speed signal input | Idle | Frequency | Duty rate 40% ~ 60% |
| 79 | - | |||
| 80 | Sensor ground | Idle | DC | Max. 50mV |
| 81 | Fuel Tank Pressure Sensor (FTPS) signal input | Idle | Analog | Min. 0.4V ~Max. 4.6V |
| 82 | Start Motor contol switch | Switch ON | Digital | Battery voltage |
| Switch OFF | Min. -0.3V ~ Max. 0.5V | |||
| 83 | Fuel Level Sensor (FLS) signal input | Idle | Analog | Min. 0.2V ~Max. 4.7V |
| 84 | CVVT Oil Control (OCV) Valve [Bank 1/Exhaust] control output | Idle | PWM | Operating freq. range: 300Hz Duty rate: 0% ~ 100% |
| 85 | CVVT Oil Control (OCV) Valve [Bank 1/Intake] control output | Idle | PWM | Operating freq. range: 300Hz Duty rate: 0% ~ 100% |
| 86 | Purge Control Solenoid Valve (PCSV) control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 1.76V | |||
| 87 | Canister Close Valve (CCV) control output | Inactive | DC | Min. -0.3V ~ Max. 1.2V |
| Active | Battery voltage | |||
| 88 | - | |||
| 89 | - | |||
| 90 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 2] Heater control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 0.5V | |||
| 91 | Heated Oxygen Sensor (HO2S) [Bank 1/Sensor 1] Heater control output | Relay OFF | DC | Battery voltage |
| Relay ON | Max. 0.5V |