Chevrolet Sonic Repair Manual: Fuses Junctions and Relays

Body Control System Description and Operation

The body control system consists of the body control module (BCM), communications, and various input and outputs. Some inputs, outputs and messages require other modules to interact with the BCM. ...

Front Compartment Fuse Block Replacement

Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the junction block cover (1). ...

Other materials:

Brake Fluid Effects on Paint and Electrical Components Caution
Caution: Avoid spilling brake fluid onto painted surfaces, electrical connections, wiring, or cables. Brake fluid will damage painted surfaces and cause corrosion to electrical components. If any brake fluid comes in contact with painted surfaces, immediately flush the area with water. I ...

Brake Pressure Modulator Valve Pipe Replacement
Removal Procedure Warning: Refer to Brake Fluid Irritant Warning. Caution: Refer to Brake Fluid Effects on Paint and Electrical Components Caution. Caution: Always connect or disconnect the wiring harness connector from the EBCM/EBTCM with the ignition switch ...

Transmission Fluid Cooler Flushing and Flow Test
GM studies indicate that plugged or restricted transmission oil coolers and pipes cause insufficient transmission lubrication and elevated operating temperatures which can lead to premature transmission failure. Many repeat repair cases could have been prevented by following published procedur ...