Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Brake Warning System Description and Operation

Chevrolet Sonic Repair Manual / Chassis / Brakes / General / Brake Warning System Description and Operation

Brake Warning Indicator
Brake Warning Block Diagram

B80Park Brake SwitchB20Brake Fluid Level SwitchK9Body Control ModuleP16Instrument Cluster
Hard-Wired
Serial Data
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:

What to Use
Warning Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine coul ...

Air Conditioning O-Ring Seal Replacement
Removal Procedure Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure Note: Cap or tape the open A/C refrigerant components immediately to prevent system contamination. Cap or tape the A/C refrigerant components. ...

Air Intake System Description
Circuit/System Description The primary function of the air intake system is to provide filtered air to the engine. The system uses a filter element mounted in a housing. The filter housing is remotely mounted and uses intake ducts to route the incoming air into the throttle body. T ...

В© 2014-2020 Copyright www.csmans.com
   
0.0121