1998 — 2003 of release

Repair and car operation

RX 300 Lexus
+ Lexus RX-300 Cars
+ Governing bodies and operation receptions
+ Settings and routine maintenance of the car
+ Engine
+ Systems of cooling of the engine, heating, ventilation and air conditioning
+ the Power supply system and production of the fulfilled gases
+ Systems of electric equipment of the engine
+ Automatic transmission and interaxal differential
+ Transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   General information
   Diagnostics of malfunctions of onboard electric equipment - the general information
   Safety locks - the general information
   The relay - the general information and check of serviceability of functioning
   Screen wipers and stekloomyvatel
   Replacement of filament lamps
   Removal and installation of a casing of a steering column and podrulevy switches
   Check of serviceability of functioning of some auxiliary systems
   Removal and aerial installation
   Removal and installation of a combination of devices
   Adjustment of an inclination of headlights
   Removal and installation of components of SRS system
   Removal and installation of components of window regulators and screen wipers
+ Schematic diagrams of electric connections

General information

Considered cars are equipped with 12-volt system of electric equipment with grounding on a negative pole. A food of all lighting devices and electric units is carried out from the battery recharged from the generator of an alternating current.

This head is devoted to the description of procedures of service and repair of some components of system of onboard electric equipment to which number besides the concrete components considered below, all lighting devices and the electric accessories not connected directly with the engine belong also. Besides, procedures of diagnostics of malfunctions of electric equipment of the general order are considered. Information on the battery, the generator and a starter is provided in the Head of System of electric equipment of the engine.

At performance of any works on repair and service of components of system of electric equipment it is necessary to disconnect previously without fail a negative wire from the battery in order to avoid receiving an electrotrauma and/or ignition.

Many auxiliary electric systems work under control of own modules of management (ECU). The arrangement of some points of grounding is also specified illustrations the Arrangement of components of electric equipment and grounding points (IE, IF, IG, IH) in salon.

Arrangement of points of grounding (BI, BJ, BK, BL, BN and BM) and management modules