Chevrolet Sonic Repair Manual: Data and Communication Network

Generator Replacement (LUW)

Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking ...

Data Link Communications Description and Operation

Note: This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Schematics to find out which serial data buses are configur ...

Other materials:

Compass
The vehicle may have a compass display in the Driver Information Center (DIC). The compass receives its heading and other information from the Global Positioning System (GPS) antenna, StabiliTrak, and vehicle speed information. Avoid covering the GPS antenna, located on the roof, for long perio ...

Engine Oil
To ensure proper engine performance and long life, careful attention must be paid to engine oil. Following these simple, but important steps will help protect your investment: Always use engine oil approved to the proper specification and of the proper viscosity grade. See “Selecting th ...

Special Tools
Illustration Tool Number/Description EL 38758 EL 50074 J 38758 Parasitic Draw Test Switch EL 50313 EL 42000 EL 50076 J 42000 ...