LEXUS RX 300

1998-2003 of release

Repair and car operation



Лексус RX 300
+ Cars Lexus RX-300
+ Controls and operation receptions
+ Options and car routine maintenance
+ The engine
+ Systems of cooling of the engine, heating, ventilation and air conditioning
+ The power supply system and release of the fulfilled gases
+ Systems of an electric equipment of the engine
+ Automatic transmission and interaxal differential
+ Трансмиссионная a line
+ Brake system
+ Suspension bracket and steering
+ Body
- Onboard electric equipment
   The general information
   Diagnostics of malfunctions of an 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 стеклоомыватели
   Replacement of lamps накаливания
   Removal and installation of a casing of a steering column and подрулевых 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 system SRS
   Removal and installation of components стеклоподъёмников and screen wipers
+ Basic schemes of electric connections


The general information

Considered cars are equipped by 12-volt system of an 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.

The given chapter is devoted the description of procedures of service and repair of some components of system of an onboard electric equipment to which number besides the concrete components considered more low, all lighting devices and the electric accessories not connected directly with the engine concern also. Procedures of diagnostics of malfunctions of an electric equipment of the general order are besides, considered. The information on the battery, the generator and a starter is resulted in the Head of System of an electric equipment of the engine.

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

Many auxiliary electric systems work under control of own modules of management (ECU). The arrangement of some points of grounding also is specified in illustrations the Arrangement of components of an 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