Lexus RX300 (MCU15). Manual - part 539

RS0KS–08

H05133

Spiral Cable

Combination Meter
(Warning Light)

Front Passenger Airbag Assembly

Side Airbag Assembly (RH)

Side Airbag Sensor
Assembly (RH)

Seat Belt Pretensioner (RH)

Steering Wheel Pad
(with Airbag)

Side Airbag Sensor
Assembly (LH)

Seat Belt 
Pretensioner (LH)

Side Airbag Assembly (LH)

Airbag Sensor Assembly

Front Airbag Sensor (RH)

Front Airbag
Sensor (LH)

RS–66

–

SUPPLEMENTAL RESTRAINT SYSTEM

WIRE HARNESS AND CONNECTOR

LEXUS RX300   (RM785E)

WIRE HARNESS AND CONNECTOR

LOCATION

RS0KT–05

–

SUPPLEMENTAL RESTRAINT SYSTEM

WIRE HARNESS AND CONNECTOR

RS–67

LEXUS RX300   (RM785E)

INSPECTION

HINT:
The SRS wire harness is integrated with the instrument panel wire harness assembly. All the connectors in
the system are a standard yellow color.
1.

Vehicles not involved in collision:
INSPECT SUPPLEMENTAL RESTRAINT SYSTEM

Do a diagnostic system check (See page DI–305).
2.

Vehicles involved in collision:
INSPECT SUPPLEMENTAL RESTRAINT SYSTEM

(a)

Do a diagnostic system check (See page DI–305).

(b)

Check breaks in all wires of the SRS wire harness, and exposed conductors.

(c)

Check to see if the SRS wire harness connectors are cracked or chipped.

RS0KU–01

RS–68

–

SUPPLEMENTAL RESTRAINT SYSTEM

WIRE HARNESS AND CONNECTOR

LEXUS RX300   (RM785E)

REPLACEMENT

In the following cases,replace the wire harness or connector.

S

If any part of the SRS wire harness or any connector has been found to be faulty in troubleshoot-
ing.

S

If any part of the SRS wire harness or any connector has been found to be faulty during checking
items (See page RS–67).

CAUTION:
If the wire harness used in the SRS is damaged, replace the whole wire harness assembly.

SUSPENSION AND AXLE

TROUBLESHOOTING

SA–1

. . . . . . . . . . . . . . . . . . . . 

TIRE AND WHEEL

SA–2

. . . . . . . . . . . . . . . . . . . . . . . 

FRONT WHEEL ALIGNMENT

SA–4

. . . . . . . . . . . . . 

REAR WHEEL ALIGNMENT

SA–8

. . . . . . . . . . . . . . . 

FRONT AXLE HUB

SA–9

. . . . . . . . . . . . . . . . . . . . . . . 

FRONT WHEEL HUB BOLT

SA–15

. . . . . . . . . . . . . . . 

FRONT DRIVE SHAFT

SA–16

. . . . . . . . . . . . . . . . . . . 

FRONT SHOCK ABSORBER

SA–25

. . . . . . . . . . . . . . 

FRONT LOWER SUSPENSION ARM

SA–32

. . . . . . . 

FRONT LOWER BALL JOINT

SA–35

. . . . . . . . . . . . . 

FRONT STABILIZER BAR

SA–39

. . . . . . . . . . . . . . . . . 

REAR AXLE HUB

SA–43

. . . . . . . . . . . . . . . . . . . . . . . . 

REAR WHEEL HUB BOLT

SA–50

. . . . . . . . . . . . . . . . 

REAR DRIVE SHAFT

SA–51

. . . . . . . . . . . . . . . . . . . . . 

REAR DIFFERENTIAL 

FRONT OIL SEAL

SA–57

. . . . . . . . . . . . . . . . . . . . . . 

REAR DIFFERENTIAL CARRIER

SA–60

. . . . . . . . . . 

REAR SHOCK ABSORBER

SA–80

. . . . . . . . . . . . . . . 

REAR LOWER SUSPENSION ARM 

AND STRUT ROD

SA–88

. . . . . . . . . . . . . . . . . . . . . . 

REAR STABILIZER BAR

SA–92

. . . . . . . . . . . . . . . . . .