Chevrolet Cobalt Service & Repair Manual: Relearn

Initialization Sequence

The EBCM performs one initialization test each ignition cycle. The initialization of the EBCM occurs when the EBCM detects the there is a minimum of 500 RPM from the ECM by means of a serial data message and the stop lamp switch is not applied. The initialization of the EBCM will also occur the vehicle speed is greater than 10 MPH and the stop lamp switch is applied. The initialization sequence may also be commanded with a scan tool.
The Initialization sequence cycles each solenoid valve and the pump motor as well as the required relays for approximately 1.5 seconds to check component operation. The EBCM sets a DTC if and error is detected. The initialization sequence may be heard and felt while it is taking place and is considered part of normal system operation. The EBCM defines a drive cycle as the completion of the initialization sequence.
    Operation
    The desired yaw rate is calculated from the position of the steering wheel, the speed of the vehicle and the lateral, or sideways acceleration of the vehicle. The difference between ...

    Ball Joint, Replace
    Front 1. Remove control arm. 2. Secure control arm in a suitable vise. 3. Drill out three rivets retaining ball ...

    See also:

    Chevrolet Cobalt Service & Repair Manual. Description
    The VSES (Vehicle Stability Enhancement System) adds an additional level of vehicle control to the EBCM (Electronic Brake Control Module). The EBCM controls the system functions and detects failures. Yaw rate is the rate of rotation about the vehicle's vertical axis. The V ...

    Chevrolet Cobalt Owners Manual

    Chevrolet Cobalt Service Manual


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