Chevrolet Sonic Repair Manual: Brake Warning System Description and Operation
- Brake Warning Indicator
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- 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
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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 ...
Engine Oil Pressure Indicator Switch Replacement
Engine Oil Pressure Indicator Switch Replacement
Callout
Component Name
Preliminary Procedure
Remove the air conditioning compr ...
Other materials:
Infants and Young Children
Everyone in a vehicle needs protection! This includes infants and all other children.
Neither the distance traveled nor the age and size of the traveler changes the need,
for everyone, to use safety restraints. In fact, the law in every state in the United
States and in every Canadian province ...
Rear Compartment Courtesy Lamp Replacement (Sedan)
Rear Compartment Courtesy Lamp Replacement
Callout
Component Name
1
Rear Compartment Courtesy Lamp Assembly
Procedure
Use the appropriate trim tool in order to release the lamp assembly
from the rear quarter ...
Outside Rearview Mirror Replacement (Power)
Outside Rearview Mirror Replacement
Callout
Component Name
Preliminary Procedures
Remove the front side door upper front trim panel. Refer to Front
Side Door Upper Front Trim Panel Replacement.
Remove the outside rearview ...
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