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 MANUALSCHEVROLET2018SONIC LS, 1.8L ENG VIN H, AUTOMATIC TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTSTEERING COLUMN SWITCHESSECONDARY AND CONFIGURABLE CUSTOMER CONTROL SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESDTC B1405COMPONENT TESTING
2018 Chevrolet Sonic LS, 1.8L Eng VIN H, Automatic Trans
Component Testing
2018 Chevrolet Sonic LS, 1.8L Eng VIN H, Automatic TransSECTION Component Testing
- Ignition OFF, disconnect the harness connector at the S70R Steering Wheel Controls Switch - Right.
- Test the resistance between the signal terminal 2 and the reference voltage terminal 1 while pressing the appropriate steering wheel controls switch button listed below:
- If not the specified value
Replace the S70R Steering Wheel Controls Switch - Right.
- Go to next step: If the specified value
- If not the specified value
- All OK
| Function Switch | Minimum Resistance Value | Maximum Resistance Value |
|---|---|---|
| Hang Up-Mute | 5.0 kΩ | 5.5 kΩ |
| Telephone Switch | 3.6 kΩ | 4 kΩ |
| Source Switch | 2.8 kΩ | 3.1 kΩ |
| Arrow Down | 2.2 kΩ | 2.6 kΩ |
| Arrow Up | 1.7 kΩ | 2 kΩ |
| Volume Down | 1.4 kΩ | 1.6 kΩ |
| Volume Up | 1.1 kΩ | 1.3 kΩ |
| No Switch Pressed | Infinite | Infinite |
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.