Toyota Sequoia (2005). Manual - part 406

H01019

H44043

H24016

Side Squib RH

Airbag 
Sensor 
Assembly

SFR+

SFR–

Floor Wire

A

B

C

D

S18

H01019

H44043

H24016

Side Squib RH

Airbag 
Sensor 
Assembly

SFR+

SFR–

Floor Wire

A

B

C

D

S18

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1419

1613

2

Check floor wire (short).

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

S18–1 (SFR+) – 

S18–2 (SFR–)

Always

1 M

Ω

 or higher

NG

Repair or replace floor wire.

OK

Go to step 8.

3

Check floor wire (open).

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

Tester Connection

Condition

Specified Condition

S18–1 (SFR+) – 

S18–2 (SFR–)

Always

Below 1 

Ω

NG

Repair or replace floor wire.

OK

Go to step 9.

H01019

H44043

H24016

Side Squib RH

Airbag 
Sensor 
Assembly

SFR+

SFR–

Floor Wire

A

B

C

D

S18

H01019

H44043

H24016

Side Squib RH

Airbag 
Sensor 
Assembly

SFR+

SFR–

Floor Wire

A

B

C

D

S18

DI–1420

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1614

4

Check floor wire (short to ground).

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

Tester Connection

Condition

Specified Condition

S18–1 (SFR+) – 

Body ground

Always

1 M

Ω

 or higher

S18–2 (SFR–) – 

Body ground

Always

1 M

Ω

 or higher

NG

Repair or replace floor wire.

OK

Go to step 9.

5

Check floor wire (short to B+).

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

S18–1 (SFR+) – 

Body ground

Ignition switch ON

Below 1 V

S18–2 (SFR–) – 

Body ground

Ignition switch ON

Below 1 V

NG

Repair or replace floor wire.

OK

Go to step 9.

H01019

H44043

H24016

Side Squib RH

Airbag 
Sensor 
Assembly

SFR+

SFR–

Floor Wire

A

B

C

D

S18

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1421

1615

6

Check floor wire (side squib RH 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

S18–1 (SFR+) – 

Body ground

Ignition switch ON

Below 1 V

S18–2 (SFR–) – 

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

S18–1 (SFR+) – 

S18–2 (SFR–)

Always

Below 1 

Ω

S18–1 (SFR+) – 

Body ground

Always

1 M

Ω

 or higher

S18–2 (SFR–) – 

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

S18–1 (SFR+) – 

S18–2 (SFR–)

Always

1 M

Ω

 or higher

NG

Repair or replace floor wire.

OK

H01021

H10600 H16838

H24651

DTC 55

DLC3

TC

CG

Side Squib RH

C

D

Airbag
Sensor
Assembly

DI–1422

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1616

7

Replace side airbag assembly RH (side squib RH).

PREPARATION:
(a)

Replace the side airbag assembly RH (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 55 is not output.

HINT:
Codes other than DTC 55 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