Abs Brake System, Components And Locations
- ASR/ESP Indicator Lamp -K155-
- Location in instrument cluster.
- Blinks when driving if ESP engages regularly.
- Comes on for function test after switching ignition on and goes out after driving a short distance.
- Comes on if there is an ESP system malfunction.
- Comes on if there is an ABS system malfunction because ESP and ABS work together.
- Comes on when ESP is switched off.
- Comes on during sensor adaptation process and goes out after driving a short distance.
- If battery was disconnected and connected.
- Vehicle was started with jump start.
- Battery is very weak.
- If warning light comes on after starting the engine, there is a system-directed shut down of the system. In this case, ESP can be reactivated by switching ignition on and off.
- ABS Indicator Lamp -K47-
- Location in instrument cluster.
- Comes on for a few seconds after switching ignition on and then goes out after ABS system self-check if no malfunction was detected.
- There is an ABS system malfunction if:
- ABS system warning light does not come on when ignition is switched on.
- Warning light goes out again after a few seconds.
- Warning light comes on when driving.
- If there is a malfunction, vehicle can be braked normally without ABS.
- In case of a malfunction, ESP warning light comes on in addition to ABS warning light.WARNING:
When ABS warning light and brake system warning light comes on, rear wheels may lock prematurely when braking.
- Brake System Indicator Lamp -K118-
- Location in instrument cluster.
- Blinks when there is a brake system malfunction.
- Blinks when there is an ABS system malfunction.
- Blinks when brake fluid level is too low.
- ABS Hydraulic Unit -N55- with ABS Control Module -J104-
- With integrated brake pressure sensor.NOTE:
Brake pressure sensor in ABS Control Module -J104- cannot be replaced.
- Disconnecting hydraulic unit -a- and control module -b- is not intended.
- Installed location: in right plenum chamber below engine control module.
- Switch ignition off before separating connector.
- Removing and Installing. Refer to ABS Control Module -J104- WITH HYDRAULIC UNIT, REMOVING AND INSTALLING .
- With integrated brake pressure sensor.
- Brake System Vacuum Pump -V192-
- Installation of vacuum pump depends on engine and transmission.
- Location in front right engine compartment.
- The vacuum pump is not designed to be serviced. If there is a malfunction in the pump, pump should be replaced.
- Removing and Installing. Refer to Brake System Vacuum Pump -V192-, REMOVING AND INSTALLING
.NOTE:
Vacuum pump malfunctions are stored in engine control module.
- Brake Booster Pressure Sensor -G294-
- Installation of vacuum pump depends on engine and transmission.
- Location in vacuum hose to brake booster.
- Removing and Installing. Refer to Brake Booster Pressure Sensor -G294-, REMOVING AND INSTALLING .
- Brake Booster
- Removing installing. Refer to BRAKE BOOSTER, REMOVING AND INSTALLING .
- Brake Master Cylinder
- Removing installing. Refer to BRAKE MASTER CYLINDER, REMOVING AND INSTALLING .
- Brake Lamp Switch -F- and Brake Pedal Switch -F47-
- Removing and Installing. Refer to BRAKE LIGHT SWITCH (OLD GENERATION) or BRAKE LIGHT SWITCH (NEW GENERATION) .
- Installed location: on the brake pedal.
- ESP Sensor Unit -G419-
- Combined Transverse Acceleration Sensor -G200-, Rotation Rate Sensor -G202- and Longitudinal Acceleration Sensor -G251-.
- Location under center console.
- Removing and Installing. Refer to ESP Sensor Unit -G419-, REMOVING AND INSTALLING .
- Steering Angle Sensor -G85-
- Location on steering column between steering wheel and steering column switch.
- Follow the installation instructions. Refer to Steering Angle Sensor -G85-, REMOVING AND INSTALLING .
- ASR/ESP Button -E256-
- Located in the center console.
- Right Front ABS Wheel Speed Sensor -G45- / or Left Front ABS Wheel Speed Sensor -G47-
- Replacing. Refer to SPEED SENSOR ON THE FRONT AXLE, REMOVING AND INSTALLING .
- Front Right/Left Wheel Bearing/Wheel Hub Unit
- ABS sensor ring is installed in wheel bearing.
- Right Rear ABS Wheel Speed Sensor -G44- or Left Rear ABS Wheel Speed Sensor -G46-
- Replacing. Refer to SPEED SENSOR ON REAR AXLE, REMOVING AND INSTALLING .
- Rear Right/Left Wheel Bearing/Wheel Hub Unit
- ABS sensor ring is installed in wheel bearing
- Diagnostic Connection
- Location under driver side footwell cover.
- Refer to Fig 2.
- Parking Brake Pedal
- Removing and Installing. Refer to PEDAL PARKING BRAKE LEVER, REMOVING AND INSTALLING .