Cadillac 1995 SEVILLE TOURING SEDAN Manuel d'utilisateur

Road Sensing Suspension SystemGeneral DescriptionThe continuously variable road sensing suspension (CVRSS) system is referred to as a realtime damping

Integrated Electronic SystemsAdvantages of Integrated Electronic Systems With the rapid advances in electronic technology, there is a trend toward int

mounting place for this large number of computers. Integration of several electronic systems intoone computer solves some of these computer mounting p

both the EBTCM and the CVRSS module (Figure 8-64). The signals from other sensors may besent to one of these modules and then transmitted to the other

Antilock Brake System (ABS) Operation Wheel speed sensors are mounted at each wheel. In this ABS system, the wheel speed sensorsare integral with the

starts the pump in the BPMV at the beginning of an antilock function. When the pump motor isstarted, the pump supplies brake fluid pressure to the hol

Under this condition, the EBTCM no longer provides an ABS function, but normal power-assisted brake operation is still available. When the red BRAKE w

The EBTCM sends a 5V reference voltage to the yaw rate sensor. If the vehicle chassis expe-riences zero yaw rate, the yaw rate sensor sends a 2.5V sig

218WithVDCWithout VDCYaw rate (degrees)Vehicle slip angle (degrees)Lateral acceleration (m/s2)0000011Time (s)+22-22+45-45+10-10Figure 8-69 Compariso

goes into an uncontrolled swerve with complete loss of directional control. The vehicle stabilitycontrol system improves vehicle safety! The other cha

Summary❏In a PRC system, the steering sensor informs the control module regarding the amount andspeed of steering wheel rotation.❏The PRC system switc

203ChassisPosition sensor Lowercontrol armFigure 8-46 Front wheel position sensor.Amp100ΩShieldShield8vSignal +Signal -CVRSSmodule CVRSS pos

❏If a car door is open, the control module does not respond to lower vehicle commands inan electronic air suspension system. ❏When the brake pedal is

8. Explain why the control module in an electronic air suspension system services allcommands by a 45-second averaging method when the doors are close

2233. While discussing an electronic air suspension system:Technician A says when servicing an air spring, theair spring valve must be rotated to the

Accelerometer. An accelerometer is mounted on each corner of the vehicle. These inputs sendinformation to the CVRSS module in relation to vertical ac

205Amp100ΩShieldShield8vSignal +Signal -CVRSSmodule CVRSS accelerometerFigure 8-51 Accelerometer internal design and wiring diagram.Vehicle speed

Continuously Variable Road Sensing Suspension ModuleThe continuously variable road sensing suspension (CVRSS) module contains three microproces-sors t

Each damper solenoid is an integral part of the damper assembly and is not serviced sepa-rately. The CVRSS system operates automatically without any d

AUTHOR’S NOTE:In the last decade, we have experienced very rapid advancement of electronics technology in the automotive industry. The pace of electro

Rear Electronic Level ControlThe electronic level control (ELC) system maintains the rear suspension trim height regardlessof the rear suspension load

Once the compressor starts running, it supplies air through the nylon lines to the rear airshocks and raises the rear suspension height (Figure 8-59).