Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Hyundai Accent AutomaticFACTORY OEM SERVICE PROCEDURE
Connector [C01-2]
PCM CONNECTOR PINS DESCRIPTION (C01-2)
| Pin | Description | Connected to |
|---|---|---|
| 1 | Ignition Coil (Cylinder #2) control output | Ignition Coil (Cylinder #2) |
| 2 | Ignition Coil (Cylinder #4) control output | Ignition Coil (Cylinder #4) |
| 3 | Fuel Tank Pressure Sensor (FTPS) signal input | Fuel Tank Pressure Sensor (FTPS) |
| 4 | - | |
| 5 | - | |
| 6 | Idle Speed Control Actuator (ISCA) [OPEN] control output | Idle Speed Control Actuator (ISCA) |
| 7 | Fuel Filler Cap "OPEN" Lamp control output | Fuel Filler Cap "OPEN" Lamp (Cluster) |
| 8 | Purge Control Solenoid Valve (PCSV) control output | Purge Control Solenoid Valve (PCSV) |
| 9 | Main Relay control output | Main Relay |
| 10 | - | |
| 11 | Ignition switch signal input | Ignition switch |
| 12 | CAN [High] | Data Link Connector (DLC) |
| 13 | - | |
| 14 | - | |
| 15 | Knock Sensor [A] signal input | Knock Sensor |
| 16 | Ignition Coil (Cylinder #3) control output | Ignition coil (Cylinder #3) |
| 17 | Ignition Coil (Cylinder #1) control output | Ignition Coil (Cylinder #1) |
| 18 | - | |
| 19 | - | |
| 20 | - | |
| 21 | Cooling Fan [Low] control output | Radiator Fan Relay |
| 22 | Idle Speed Control Actuator (ISCA) [CLOSE] control output | Idle Speed Control Actuator (ISCA) |
| 23 | Cooling Fan [High] control output | Condenser Fan Relay |
| 24 | Fuel consumption signal output | Trip computer |
| 25 | Engine speed signal output | Tachometer (Cluster) |
| 26 | - | |
| 27 | CAN [Low] | Data Link Connector (DLC) |
| 28 | - | |
| 29 | - | |
| 30 | Knock Sensor [B] signal input | Knock Sensor |
| 31 | - | |
| 32 | Immobilizer Lamp control output | Immobilizer Lamp (Cluster) |
| 33 | HO2S [Bank 1 / Sensor 2] heater control output | Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 2] |
| 34 | HO2S [Bank 1 / Sensor 1] heater control output | Heated Oxygen Sensor (HO2S) [Bank 1 / Sensor 1] |
| 35 | Canister Close Valve (CCV) control output | |
| 36 | Injector (Cylinder #3) control output | Injector (Cylinder #3) |
| 37 | Fuel Pump Relay output | Fuel Pump Relay |
| 38 | A/C Compressor Relay control output | A/C Compressor Relay |
| 39 | - | |
| 40 | Crankshaft Position Sensor (CKPS) [A] signal input | Crankshaft Position Sensor (CKPS) |
| 41 | - | |
| 42 | Reference supply (+5V) | Fuel Tank Pressure Sensor (FTPS) |
| 43 | - | - |
| 44 | Immobilizer Communication Line | Immobilizer Control Module |
| 45 | Wheel Speed Sensor (WSS) [+] signal input | Wheel Speed Sensor (WSS) [Without ABS] |
| 46 | - | |
| 47 | - | |
| 48 | Injector (Cylinder #4) control output | Injector (Cylinder #4) |
| 49 | CVVT Oil Control Valve (OCV) control output | CVVT Oil Control Valve (OCV) |
| 50 | Injector (Cylinder #1) control output | Injector (Cylinder #1) |
| 51 | Malfunction Indicator Lamp (MIL) control output | Malfunction Indicator Lamp (Cluster) |
| 52 | Injector (Cylinder #2) control output | Injector (Cylinder #2) |
| 53 | - | |
| 54 | - | |
| 55 | Crankshaft Position Sensor (CKPS) [B] signal input | Crankshaft Position Sensor (CKPS) |
| 56 | Battery power | Battery |
| 57 | Reference supply (+5V) | A/C Pressure Transducer |
| 58 | Reference supply (+5V) | Throttle Position Sensor (TPS) |
| 59 | - | |
| 60 | Wheel Speed Sensor (WSS) [-] signal input | Wheel Speed Sensor (WSS) [Without ABS] |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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