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:
Safety Function Override
If the battery on the vehicle has been recharged or disconnected, or is not working,
the windows will need to be reprogrammed for the express-up feature to work. Before
reprogramming, replace or recharge the vehicle's battery.
To program the driver window:
1. With the ignition in ACC/ ACCE ...
Adhesive Installation of Liftgate Windows
Warning: Refer to Glass and Sheet Metal Handling Warning.
Use a urethane adhesive systems which meet GM Specification GM?€‰3651G.
Remove all mounds or loose pieces of urethane adhesive from the pinchweld
area.
If the original window is being reused, remove all but approxi ...
Air Conditioning Compressor Replacement (LUV)
Air Conditioning Compressor Replacement
Callout
Component Name
Preliminary Procedure
Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
Raise and support the vehicle. Refer to Lifting and Jacking the
...
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