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

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Check of serviceability of functioning of some auxiliary systems

The description of checks of serviceability of functioning of some auxiliary systems by means of pressure measurement on contacts of their modules of management is more low resulted under various conditions. The description of check by means of reading of codes of malfunctions is resulted in the Head of System of an electric equipment of the engine.

System of additional safety (SRS)

System SRS components

1 — К/Л in a combination of devices
2 — the Gauge of a forward right pillow of safety
3 — the Spiral spring
4 — Assemblage of the right forward pillow of safety
5 — Assemblage of the right lateral pillow of safety
6 — Assemblage of the gauge of the right lateral pillow of safety
7 — Emergency натяжитель the right seat belt

8 — the Central assemblage of gauges SRS
9 — Assemblage of the left lateral pillow of safety
10 — Emergency натяжитель the left seat belt
11 — Assemblage of the gauge of the left lateral pillow of safety
12 — the Gauge of a forward left pillow of safety
13 — the Overlay of a steering wheel with a forward left pillow of safety

Contacts ECU SRS

№

Symbol

Contact appointment

A

–

The mechanism of check of electric connection

B

–

C8-3

LA

К/Л SRS

C8-5

IG2

Food giving

C8-6

IG1

C8-9

+SR

The forward right gauge

C8-10

P +

Пиропатрон (from the forward passenger)

C8-11

P -

C8-12

SIL

Diagnostics

C8-13

D -

Пиропатрон (from the driver)

C8-14

D +

C8-15

+SL

The forward left gauge

C8-19

Tc

Diagnostics

C8-20

-SR

The forward right gauge

C8-23

GSW2

ECM

C8-26

-SL

The forward left gauge

C8-27

E1

Grounding

C8-28

E2

C7-1

PL -

Пиропатрон left emergency натяжителя a seat belt

C7-2

PL +

C7-5

SFL -

Left lateral пиропатрон

C7-6

SFL +

C7-7

VUPL

The gauge of the left lateral pillow of safety

C7-9

SSL +

C7-10

FSL

C7-12

ESL

C9-1

SFR +

Right lateral пиропатрон

C9-2

SFR -

C9-5

PR +

Пиропатрон right emergency натяжителя a seat belt

C9-6

PR -

C9-7

ESR

The gauge of the right lateral pillow of safety

C9-8

RBE +

Д/В belt buckles

C9-9

FSR

The gauge of the right lateral pillow of safety

C9-10

SSR +

C9-12

VUPR

E/drive of seats

Components of an e/drive of a forward seat

1 — the E/motor of a lumbar support
2 — ECU an e/drive of seats
3 — the E/motor of moving of a seat
4 — the E/motor of adjustment of height of a forward part of a pillow

5 — management Switches
Seat e/drive
6 — the Regulator of position of a lumbar support
7 — the E/motor of adjustment of an inclination of a back

Contacts ECU of an e/drive of seats

Contacts

Colour of wires

Check conditions

Pressure, In

SSFV <—> SGND (P18-3 <—> P18-13)

LG-R <—> BR

Change of height of a forward part of a pillow

0 8

SSRL <—> SGND (P18-4 <—> P18-13)

G-B <—> BR

Change of height of a back part of a pillow

0 8

SSRR <—> SGND (P18-5 <—> P18-13)

V-W <—> BR

Change of an inclination of a back

0 8

PVCC <—> SGND (P18-6 <—> P18-13)

V <—> BR

Change of position of a seat

8

FDWN <—> a body (P18-7 <—> a body)

L-R

The seat is downy by means of a regulator of height of a forward part of a pillow

More low 1

The other

10 14

IG <—> a body (P18-8 <—> a body)

B-R

Ignition is included

10 14

SYSB <—> GND (P18-9 <—> P19-7)

R <—> W-B

Always

10 14

MPX1 <—> a body (P18-10 <—> a body)

W

Signals in a communication chain

0 12

The other

Resistance nearby 2.5 clod

SGND <—> a body (P18-13 <—> a body)

BR

Always

More low 1

SSRS <—> SGND (P18-14 <—> P18-13)

LG <—> BR

Seat moving

0 8

SLDF <—> a body (P18-15 <—> a body)

L

The seat is shifted forward by means of a regulator of position of a seat

More low 1

The other

10 14

SLDR <—> a body (P18-16 <—> a body)

L-B

The seat is shifted back by means of a regulator of position of a seat

More low 1

The other

10 14

LUP <—> a body (P18-17 <—> a body)

L - W

The seat is lifted by means of a regulator of lifting of a back part of a pillow

More low 1

The other

10 14

LDWN <—> a body (P18-18 <—> a body)

L - O

The seat is lowered by means of a regulator of lifting of a back part of a pillow

More low 1

The other

10 14

FUP <—> a body (P18-19 <—> a body)

L-Y

The seat is lifted by means of a regulator of lifting of a forward part of a pillow

More low 1

The other

10 14

RCLF <—> a body (P18-21 <—> a body)

Y-R

The seat is shifted forward by means of a regulator of an inclination of a back

More low 1

The other

10 14

RCLR <—> a body (P18-22 <—> a body)

Y - IN

The seat is shifted back by means of a regulator of an inclination of a back

More low 1

The other

10 14

RCL - <—> GND (P19-1 <—> Р19-7)

Y-B <—> W-B

The seat is shifted back by means of a regulator of an inclination of a back

10 14

The other

More low 1

RCL + <—> GND (P19-2 <—> P19-7)

Y-R <—> W-B

The seat is shifted forward by means of a regulator of an inclination of a back

10 14

The other

More low 1

SLD - <—> GND (P19-3 <—> P19-7)

L-B <—> W-B

The seat is shifted back by means of a regulator of position of a seat

10 14

The other

More low 1

SLD + <—> GND (P19-4 <—> P19-7)

L <—> W-B

The seat is shifted forward by means of a regulator of position of a seat

10 14

The other

More low 1

LFT - <—> GND (P19-5 <—> P19-7)

Y <—> W-B

The seat is lowered by means of a regulator of height of a back part of a pillow

10 14

The other

More low 1

LFT + <—> GND (P19-6 <—> P19-7)

Y-G <—> W-B

The seat is lifted by means of a regulator of height of a back part of a pillow

10 14

The other

More low 1

GND <—> a body (P19-7 <—> a body)

W-B

Always

More low 1

+B <—> a body (P19-8 <—> a body)

L-O

Always

10 14

FRV - <—> GND (P19-9 <—> P19-7)

L-R <—> W-B

The seat is lowered by means of a regulator of height of a forward part of a pillow

10 14

The other

More low 1

FRV + <—> GND (P19-10 <—> P19-7)

L-Y <—> W-B

The seat is lifted by means of a regulator of height of a forward part of a pillow

10 14

The other

More low 1

Темпостат

Site ECU темпостата is specified in illustrations the Arrangement of points of grounding (BI, BJ, BK, BL, BN and BM) and management modules.

Contacts ECU темпостата

Contacts

Colour of wires

Check conditions

Pressure, In

STP <—> GND (С16-3 <—> С16-16)

G-W <—> BR

The brake pedal is pressed

10 16

The brake pedal is released

More low 1

D <—> GND (C16-4 <—> C16-16)

G-B <—> BR

Mode АТ, except "D" is chosen

More low 1

The mode "D" АТ is chosen

10 16

PI <—> GND (C16-5 <—> С16-16)

W-G <—> BR

Ignition is included,