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.
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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 727 (STEERING)SYSTEM DESCRIPTIONEPS CONTROL UNIT INPUTS AND OUTPUTS FOR CONNECTOR C (16P)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
EPS Control Unit inputs and Outputs for Connector C (16P)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION EPS Control Unit inputs and Outputs for Connector C (16P)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
WIRE COLOR REFERENCE
| Terminal number | Wire color | Terminal sign (Terminal name) | Description | Signal |
|---|---|---|---|---|
| 1 | BLU | VS2 (Voltage sensor 2) | Detects torque sensor | 1.3-4.0V |
| 2 | PUR | T/S GND (Torque sensor ground) | Ground for the torque sensor | continuity |
| 3 | YEL | VS1 (Voltage sensor 1) | Detects torque sensor | 1.3-4.0V |
| 5 | BRN | SCS (Service check signal) | Detects service check connector signal | With service check signal shorted using the HDS : about 0V With service check signal open : about 5.0V |
| 7 | LT BLU | NEP (Engine speed pulse) | Detects engine speed signal | With engine running: pulses (0 - 12V) |
| 8 | PUR | IG-1 (Ignition 1) | Power source for activating the system | With ignition switch ON (II): battery voltage (about 12 V) |
| 9 | RED | CAN L (CAN LO) | CAN communication circuit | With ignition switch ON (II): pulses (1.5 - 2.5V) |
| 10 | WHT | CAN H (CAN HI) | CAN communication circuit | With ignition switch ON (II): pulses (2.5 - 3.5V) |
| 16 | RED | K-LINE (Data link connector) | Communicates with HDS | With ignition switch ON (II) and the HDS disconnected: pulses or battery voltage (about 12 V) |
RENDER: 1.0x
NO RELATED
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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.