Chevrolet Sonic Repair Manual: Brake Warning System Description and Operation
- Brake Warning Indicator
-
- Brake Warning Block Diagram
B80 Park Brake Switch B20 Brake Fluid Level Switch K9 Body Control Module P16 Instrument Cluster (HW) Hard-Wired (HW) Hard-Wired (DA) Serial Data (B80) B80 Park Brake Switch (B20) B20 Brake Fluid Level Switch (K9) K9 Body Control Module (P16) P16 Instrument Cluster
The instrument cluster turns the brake warning indicator ON when the following occurs:
- The instrument cluster performs the bulb check. The brake warning indicator illuminates for 5 s.
- When the Electronic Brake Control Module (EBCM) detects low brake fluid level it sends a serial data message to the instrument cluster, which will illuminate the red brake indicator.
- The Body Control Module (BCM) detects that the parking brake is engaged. The instrument cluster receives a serial data message from the BCM requesting illumination.
- Driver Information Center Messages
-
When the Electronic Brake Control Module (EBCM) detects low brake fluid level it sets DTC C0267 and sends a serial data message to the Driver Information Center , which will display Brake Fluid Low message.
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...
Master Cylinder Bench Bleeding
Warning: Refer to Brake Fluid Irritant Warning.
Caution: Refer to Brake Fluid Effects on Paint and Electrical
Components Caution.
Secure the mounting flange of the bra ...
Other materials:
Rear Bumper Fascia Tow Eye Access Hole Cover Replacement
Rear Bumper Fascia Tow Eye Access Hole Cover Replacement
Callout
Component Name
1
Rear Bumper Fascia Rear Tow Eye Access Hole Cover
Procedure
Using a small flat-bladed tool, release the cover from the rear
bu ...
Rear Seat Center Shoulder Belt Replacement (Hatchback)
Rear Seat Center Shoulder Belt Replacement
Callout
Component Name
Preliminary Procedures
Remove the rear seat cushion. Refer to Rear Seat Cushion Removal
and Installation.
Remove the rear seat back cushion. Refer to Rear ...
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation
(6T30)
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate
Installation
Callout
Component Name
1
Low and Reverse and 1??? Clutch Housing
Note: The longer legs face the bottom of the case and the
...
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