Toyota Sequoia (2005). Manual — part 350
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H01015
G27650
H23122
Airbag
Sensor
Assembly
Curtain Shield
Airbag Sensor
Assembly RH
Floor Wire
VUCR
ESCR
A21
A
B
C
D
H01015
G27650
H23122
Airbag
Sensor
Assembly
Curtain Shield
Airbag Sensor
Assembly RH
Floor Wire
VUCR
ESCR
A21
A
B
C
D
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1195
1389
4
Check floor wire (short).
PREPARATION:
Disconnect the SST from connector ”C”.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
A21–21 (VUCR) –
A21–19 (ESCR)
Always
1 M
Ω
or higher
NG
Repair or replace floor wire.
OK
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
A21–21 (VUCR) –
Body ground
Ignition switch ON
Below 1 V
A21–19 (ESCR) –
Body ground
Ignition switch ON
Below 1 V
NG
Repair or replace floor wire.
OK
![](/vehicles/linovind/vere/fry/yora.png)
H01015
G27650
H23122
Airbag
Sensor
Assembly
Curtain Shield
Airbag Sensor
Assembly RH
Floor Wire
VUCR
ESCR
A21
A
B
C
D
DI–1196
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1390
6
Check floor wire (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
A21–21 (VUCR) –
Body ground
Always
1 M
Ω
or higher
A21–19 (ESCR) –
Body ground
Always
1 M
Ω
or higher
NG
Repair or replace floor wire.
OK
![](/vehicles/linovind/vere/fry/syousthey.png)
H01007
H10600
H42066
H40997
H24664
Airbag
Sensor
Assembly
CG
TC
DTC B1630/23
DLC3
Curtain Shield
Airbag Sensor
Assembly LH
DTC B1635/24
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1197
1391
7
Check curtain shield airbag sensor assembly RH.
PREPARATION:
(a)
Connect the connectors to the airbag sensor assembly.
(b)
Interchange the curtain shield airbag sensor assembly
RH with LH and connect the connectors to them.
(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
(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)
OK:
DTC B1630/23 is output.
A
DTC B1635/24 is output.
B
DTC B1630/23 and B1635/24 are not
output.
C
HINT:
Codes other than DTC B1630/23 and B1635/24 may be output
at this time, but they are not relevant to this check.
A
Replace airbag sensor assembly
(see page
).
B
Replace curtain shield airbag sensor assembly
RH (see page
).
C
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
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H02751
Airbag Sensor Assembly
S26
Curtain Shield Airbag
Sensor Assembly LH
A19
20
W
2
A19
22
B
1
VUCL
ESCL
VUCL
ESCL
DI–1198
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1392
DTC
B1635/24 Curtain Shield Airbag Sensor (LH)
Malfunction
CIRCUIT DESCRIPTION
The curtain shield airbag sensor assembly LH consists of the safing sensor, the diagnosis circuit, the lateral
deceleration sensor, etc.
If the airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether
or not the SRS should be activated.
DTC B1635/24 is recorded when a malfunction is detected in the curtain shield airbag sensor LH circuit.
DTC No.
DTC Detecting Condition
Trouble Area
B1635/24
The airbag sensor assembly receives a short circuit sig-
nal, an open circuit signal, a short circuit to ground or a
short circuit to B+ signal in the curtain shield airbag sensor
LH circuit for 2 seconds.
Curtain shield airbag sensor assembly LH malfunction
Airbag sensor assembly malfunction
Curtain shield airbag sensor assembly LH
Airbag sensor assembly
Floor wire No. 2
WIRING DIAGRAM
DIDGX–01
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