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 ...
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:
Liftgate Weatherstrip Replacement
Liftgate Weatherstrip Replacement
Callout
Component Name
1
Liftgate Weatherstrip
Procedure
Clean the area where the seal will be mounted. Use a suitable solvent
with a mixture of 50?€‰percent isopropyl alc ...
Engine Coolant Fan Resistor Mount Repair
Engine Coolant Fan Resistor Mount Repair
Callout
Component Name
Preliminary Procedure
Remove the fasteners securing the radiator surge tank to the engine
shroud and position the surge tank out of the way. Refer to Radiator
...
Starter Replacement (LUV)
Removal Procedure
Disconnect the battery negative cable. Refer to Battery Negative Cable
Disconnection and Connection.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
If equipped with a front suspension skid plate, remove the drivetrain
...
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