Toyota Sequoia (2005). Manual - part 409

H01016

H44043

H24013

Airbag 
Sensor 
Assembly

SFL+

SFL–

Side Squib LH

Floor Wire No. 2

A

B

C

D

S17

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1431

1625

6

Check floor wire No. 2 (side squib LH circuit).

PREPARATION:
Connect the negative (–) terminal cable to the battery, and wait
for at least 2 seconds.
CHECK:
(a)

Turn the ignition switch to the ON position.

(b)

Measure the voltage according to the value(s) in the table
below.

OK:

Tester Connection

Condition

Specified Condition

S17–1 (SFL+) – 

Body ground

Ignition switch ON

Below 1 V

S17–2 (SFL–) – 

Body ground

Ignition switch ON

Below 1 V

PREPARATION:
(a)

Turn the ignition switch to the LOCK position.

(b)

Disconnect the negative (–) terminal cable from the bat-
tery, and wait for at least 90 seconds.

CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester Connection

Condition

Specified Condition

S17–1 (SFL+) – 

S17–2 (SFL–)

Always

Below 1 

Ω

S17–1 (SFL+) – 

Body ground

Always

1 M

Ω

 or higher

S17–2 (SFL–) – 

Body ground

Always

1 M

Ω

 or higher

PREPARATION:
Release the activation prevention mechanism built into con-
nector ”B” (see page 

DI–1137

).

CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester Connection

Condition

Specified Condition

S17–1 (SFL+) – 

S17–2 (SFL–)

Always

1 M

Ω

 or higher

NG

Repair or replace floor wire No. 2.

OK

H01018

H10600 H16839

H24652

Airbag
Sensor
Assembly

DTC 56

DLC3

TC

CG

Side Squib LH

C

D

DI–1432

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1626

7

Replace side airbag assembly LH (side squib LH).

PREPARATION:
(a)

Replace the side airbag assembly LH (see page 

RS–46

, 

RS–61

).

HINT:
Perform the inspection using parts from a normal vehicle if pos-
sible.
(b)

Connect the connectors to the airbag sensor assembly.

(c)

Connect the negative (–) terminal cable to the battery,
and wait for at least 2 seconds.

CHECK:
(a)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(b)

Clear the DTCs stored in memory (see page 

DI–1147

).

(c)

Turn the ignition switch to the LOCK position.

(d)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(e)

Check the DTCs (see page 

DI–1147

).

OK:

DTC 56 is not output.

HINT:
Codes other than DTC 56 may be output at this time, but they
are not related to this check.

NG 

Replace airbag sensor assembly
(see page 

RS–82

).

OK

END

H01017

H23472

Side Squib LH

Airbag 
Sensor 
Assembly

C

D

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1433

1627

8

Check airbag sensor assembly.

PREPARATION:
(a)

Connect the connectors to the airbag sensor assembly.

(b)

Connect the negative (–) terminal cable to the battery,
and wait for at least 2 seconds.

CHECK:
(a)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(b)

Clear the DTCs stored in memory (see page 

DI–1147

).

(c)

Turn the ignition switch to the LOCK position.

(d)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(e)

Check the DTCs (see page 

DI–1147

).

OK:

DTC B1825 is not output.

HINT:
Codes other than DTC B1825 may be output at this time, but
they are not related to this check.

NG

Replace airbag sensor assembly
(see page 

RS–82

).

OK

Go to step 10.

H01017

H44044

H24015

Airbag
Sensor
Assembly

Side Squib 
LH

SFL+

SFL–

Floor Wire No. 2

C

D

Service Wire

S17

DI–1434

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1628

9

Check airbag sensor assembly.

PREPARATION:
(a)

From the step 5:
Turn the ignition switch to the LOCK position.

(b)

From the step 5:
Disconnect the negative (–) terminal cable from the bat-
tery, and wait for at least 90 seconds.

(c)

Connect the connectors to the airbag sensor assembly.

(d)

Using a service wire, connect S17–1 (SFL+) and S17–2
(SFL–) of the connector ”C”.

NOTICE:
Do not forcibly insert a service wire into the terminals of the
connector when connecting.
(e)

Connect the negative (–) terminal cable to the battery,
and wait for at least 2 seconds.

CHECK:
(a)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(b)

Clear the DTCs stored in memory (see page 

DI–1147

).

(c)

Turn the ignition switch to the LOCK position.

(d)

Turn the ignition switch to the ON position, and wait for at
least 60 seconds.

(e)

Check the DTCs (see page 

DI–1147

).

OK:

DTC B1826, B1827 or B1828 is not output.

HINT:
Codes other than DTC B1826, B1827 and B1828 may be out-
put at this time, but they are not related to this check.

NG

Replace airbag sensor assembly
(see page 

RS–82

).

OK