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:
Instrument Panel Airbag Arming Status Display Replacement
Instrument Panel Airbag Arming Status Display Replacement
Callout
Component Name
Preliminary Procedure
Remove the heater and air conditioning control. Refer to Heater and Air
Conditioning Control Replacement.
...
Strut Assembly Removal and Installation
Special Tools
CH 49375 Strut Rod Nut Socket
For equivalent regional tools, refer to Special Tools
Removal Procedure
Remove the air inlet grille panel. Refer to Air Inlet Grille Panel Replacement.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. ...
Intake Manifold Installation
Clean the sealing surfaces.
Install the intake manifold (1) along with a NEW intake manifold gasket.
Caution: Refer to Fastener Caution.
Install the 6 intake manifold bolts (1) and tighten to 20 Y (15 lb ft).
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