Toyota Sequoia (2005). Manual — part 357

C91384

H01010

G27652

H23572

Airbag
Sensor
Assembly

A19

A

B

C

D

LBE+

LBE–

Front Seat

Inner Belt LH

Floor Wire No. 2

C91384

H01010

G27652

H23572

Airbag
Sensor
Assembly

A19

A

B

C

D

LBE+

LBE–

Front Seat

Inner Belt LH

Floor Wire No. 2

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1223

1417

4

Check floor wire No. 2 (short).

PREPARATION:
Disconnect the service wire from connector ”C”.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:

Tester Connection

Condition

Specified Condition

A19–10 (LBE+) –

A19–18 (LBE–)

Always

1 M

Ω

or higher

NG

Repair or replace floor wire No. 2.

OK

5

Check floor wire No. 2 (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

A19–10 (LBE+) –

Body ground

Ignition switch ON

Below 1 V

A19–18 (LBE–) –

Body ground

Ignition switch ON

Below 1 V

NG

Repair or replace floor wire No. 2.

OK

C91384

H01010

G27652

H23572

Airbag
Sensor
Assembly

A19

A

B

C

D

LBE+

LBE–

Front Seat

Inner Belt LH

Floor Wire No. 2

DI–1224

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1418

6

Check floor wire No. 2 (short to ground).

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

A19–10 (LBE+) –

Body ground

Always

1 M

Ω

or higher

A19–18 (LBE–) –

Body ground

Always

1 M

Ω

or higher

NG

Repair or replace floor wire No. 2.

OK

C84216

H10600 C92968

H24657

CG

TC

DTC B1656/38

DLC3

Airbag
Sensor
Assembly

Front Seat
Inner Belt LH

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

DI–1225

1419

7

Check front seat inner belt LH.

PREPARATION:
(a)

Connect the connectors to the airbag sensor assembly
and the front seat inner belt LH.

(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 B1656/38 is not output.

HINT:
Codes other than DTC B1656/38 may be output at this time, but
they are not related to this check.

NG

Go to step 8.

OK

From the results of the above inspection, the malfunctioning part can now be considered normal.
To make sure of this, use the simulation method to check (see page

DI–1137

).

8

Replace front seat inner belt LH.

(a)

Turn the ignition switch to the LOCK position.

(b)

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

(c)

Replace the front seat inner belt LH (see page

BO–112

,

BO–126

).

HINT:
Perform inspection using parts from a normal vehicle if possible.

NEXT

C84216

H10600 C92968

H24657

CG

TC

DTC B1656/38

DLC3

Airbag
Sensor
Assembly

Front Seat
Inner Belt LH

DI–1226

–

DIAGNOSTICS

SUPPLEMENTAL RESTRAINT SYSTEM

1420

9

Check airbag sensor assembly.

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, 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 B1656/38 is not output.

HINT:
Codes other than DTC B1656/38 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