Toyota Sequoia (2005). Manual - part 852

RS0UY–06

H23939

RS–114

–

SUPPLEMENTAL RESTRAINT SYSTEM

OCCUPANT CLASSIFICATION ECU

3397

INSTALLATION

NOTICE:

Never use SRS parts from another vehicle. When re-
placing parts, replace them with new ones.

Never reuse the occupant classification ECU in-
volved in a collision when the airbag has deployed.

If the occupant classification ECU center has been
dropped, or there are any cracks, dents or other de-
fects in the case, bracket or connector, replace it with
a new one.

When installing the seat position sensor assembly
center, be careful that the SRS wiring does not inter-
fere with other parts and that it is not pinched be-
tween other parts.

1.

INSTALL OCCUPANT CLASSIFICATION ECU

(a)

Install the occupant classification ECU.

(b)

Connect the 2 connectors to the occupant classification
ECU.

2.

INSTALL FRONT SEAT ASSEMBLY RH 
(SEE PAGE 

BO–123

)

3.

CONNECT CABLE TO NEGATIVE BATTERY TERMI-
NAL

4.

PERFORM INITIALIZATION (SEE PAGE 

BE–77

)

Some system need initialization when disconnecting the cable
from the negative battery terminal.
5.

INITIALIZE OCCUPANT CLASSIFICATION ECU 
(SEE PAGE 

DI–1137

)

6.

INSPECT SRS WARNING LIGHT (SEE PAGE 

DI–1137

)

RS11U–01

H24669

Switch Base

Lower Finish Panel

RSCA OFF Switch

–

SUPPLEMENTAL RESTRAINT SYSTEM

RSCA OFF SWITCH

RS–115

3398

RSCA OFF SWITCH

COMPONENTS

H23940

Claw

RS11V–01

RS–116

–

SUPPLEMENTAL RESTRAINT SYSTEM

RSCA OFF SWITCH

3399

REMOVAL

1.

PRECAUTION (SEE PAGE 

RS–1

 and 

RS–3

)

2.

DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL

Wait for 90 seconds after disconnecting the cable to prevent the
airbag working.
3.

REMOVE LOWER FINISH PANEL (SEE PAGE 

BO–89

)

4.

REMOVE SWITCH BASE

(a)

Using a screwdriver, release the 3 claws and remover the
switch base.

HINT:
Tape up the screwdriver tip before use.
(b)

Disconnect the connectors.

H23941

RS11X–01

H24932

E

SW

RSCA OFF switch

–

SUPPLEMENTAL RESTRAINT SYSTEM

RSCA OFF SWITCH

RS–117

3400

INSPECTION

1.

INSPECT RSCA OFF INDICATOR LIGHT

(a)

Turn the ignition switch ON.

(b)

Check that the RSCA OFF indicator light goes off after it
comes on for 3 seconds.

(c)

Check that the RSCA OFF indicator light comes on after
pressing the RSCA OFF switch for approx. 2 seconds.

2.

INSPECT RSCA OFF SWITCH CONTINUITY

(a)

Inspect the continuity between each terminal.

Switch Position

Tester Connection

Specified Condition

OFF

SW (3) 

↔

 E (4)

No continuity

Hold ON

SW (3) 

↔

 E (4)

Continuity

If continuity is not as specified, replace the RSCA OFF switch.