Toyota Sequoia (2005). Manual - part 420

H01016

H43108

H23601

P/T Squib LH

PL–

PL+

Airbag
Sensor
Assembly

Floor Wire No. 2

A

B

C

D

P10

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1475

1669

8

Check floor wire No. 2 (P/T 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

P10–1 (PL+) – 

Body ground

Ignition switch ON

Below 1 V

P10–2 (PL–) – 

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

P10–1 (PL+) – 

P10–2 (PL–)

Always

Below 1 

Ω

P10–1 (PL+) – 

Body ground

Always

1 M

Ω

 or higher

P10–2 (PL–) – 

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

P10–1 (PL+) – 

P10–2 (PL–)

Always

1 M

Ω

 or higher

NG

Repair or replace floor wire No. 2.

OK

H10600

H01018

H01087

H24656

Airbag
Sensor
Assembly

P/T Squib LH

DLC3

TC

CG

DTC 74

C

D

DI–1476

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1670

9

Replace front seat outer belt LH (P/T squib LH).

PREPARATION:
(a)

Replace the front seat outer belt LH (see page 

BO–163

).

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 74 is not output.

HINT:
Codes other than DTC 74 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

H01018

H23609

Airbag 
Sensor 
Assembly

D C

P/T Squib LH

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1477

1671

10

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 B1905 is not output.

HINT:
Codes other than DTC B1905 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 12.

H01017

H43107

H23603

Airbag
Sensor
Assembly

P/T Squib LH

C

D

PL–

PL+

Service Wire

P10

DI–1478

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1672

11

Check airbag sensor assembly.

PREPARATION:
(a)

From the step 6:
Turn the ignition switch to the LOCK position.

(b)

From the step 6:
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 P10–1 (PL+) and P10–2
(PL–) of connector ”C”.

NOTICE:

Twist the end of the service wire in order to insert it
into the connector.

Do not forcibly insert the twisted 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 B1906, B1907 or B1908 is not output.

HINT:
Codes other than DTC B1906, B1907 and B1908 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