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 Chevrolet Epica LTFACTORY OEM SERVICE PROCEDURE
Intelligent Switching Unit Sensor Data
Sensor Data
| No | Items | Value |
|---|---|---|
| 1 | Rear Defogger Switch | ON/OFF |
| 2 | Power Window Switch (Manual) | - |
| 3 | Power Window Switch (Auto) | - |
| 4 | - | - |
| 5 | Wiper Intermittent Switch | ON/OFF |
| 6 | - | - |
| 7 | Driver Door Lock Switch | OPEN/CLOSE |
| 8 | Passenger Door Lock Switch | OPEN/CLOSE |
| 9 | Trunk Switch | OPEN/CLOSE |
| 10 | Hood Switch | OPEN/CLOSE |
| 11 | Center Door Lock Switch | LOCK/UNLOCK |
| 12 | Door Key Switch | YES/NO |
| 13 | - | - |
| 14 | Hazard Lamp Switch | ON/OFF |
| 15 | Turn Signal Lamp Switch | NORMAL/LEFT/RIGHT |
| 16 | Seat Belt | OPEN/CLOSE |
| 17 | Key Reminder | YES/NO |
| 18 | Wiper Intermittent Motor Current | mV |
| 19 | Battery Voltage | V |
| 20 | Power Window Motor Current | mA |
| 21 | - | - |
| 22 | The Number of Key Codes | 1/2 |
| 23 | Door Lock | NORMAL/OPEN/CLOSE |
| 24 | - | - |
| 25 | - | - |
| 26 | Power Window Main Relay | YES/NO |
| 27-29 | - | - |
| 30 | Right Turn Lamp Operation | YES/NO |
| 31 | Door Open, Interior Lamp Operation | YES/NO |
| 32 | Door Open, Key Halo Lamp Operation | YES/NO |
| 33 | Speed Sensitive Door Lock | ON/OFF |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.