Electrical/Electronic Components and Component Locations

All components identified by 1) are monitored by On Board Diagnostic (OBD).
1. Brake master cylinder and brake booster
2. Hydraulic control unit 1)
^ Component location: engine compartment, left side
3. Warning light for ATC - K86
^ Only for vehicles with ATC
^ Component location: in instrument cluster
^ Function. Warning Light Functions Overview
4. Brake warning symbol
^ Appears in instrument cluster
^ Function. Warning Light Functions Overview
5. Warning light for ABS - K47
^ Component location: in instrument cluster
^ Function. Warning Light Functions Overview
6. ABS components - rear axle
RPM sensor, front left and right - G45/G46
^ Removing and installing, refer to Wheel Speed Sensors
^ Installation of speed sensor wires, refer to Wheel Speed Sensors
Impulse wheel for speed sensor front left and right
^ Checking, refer to Wheel Speed Sensors
^ Removing and installing: changed together with wheel hub. Refer to Steering and Suspension
7. Diagnostic connection
^ Component location: driver's footwell, front left, near front hood release lever
8. Cover for diagnostic connection
9. Brake light switch - F
^ Brake light switch is open in rest position
^ Adjusting refer to Lighting and Horns
^ Must be tested using measuring value block. Read Measuring Value Block (Function 08)
^ Removed by turning 90° to left
10. ABS components - front axle
RPM sensor, front left and right - G45/G46
^ Removing and installing, refer to Wheel Speed Sensor
^ Installation of speed sensor wires, refer to Wheel Speed Sensor
Impulse wheel for speed sensor front left and right
^ Checking, refer to Wheel Speed Sensor
^ Removing and installing: changed together with wheel hub. Refer to Steering and Suspension
11. Sensor for lateral acceleration
^ Only for all-wheel drive vehicles