Toyota Sequoia (2005). Manual — part 355
H01010
G27652
H24025
H24542
Seat
Position
Airbag
Sensor
Assembly
LSP–
LSP+
Airbag
Sensor
Assembly
Service Wire
A19
A
B
C
D
B18
Floor Wire No. 2
3
5
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1215
1409
2
Check connection of connectors.
PREPARATION:
(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.
CHECK:
Check that the connectors are properly connected to the airbag sensor assembly and the seat position air-
bag sensor assembly.
OK:
The connectors are connected securely.
NG
Connect connectors, then go to step 1.
OK
3
Check floor wire No. 2 (open).
PREPARATION:
(a)
Disconnect the connectors from the airbag sensor as-
sembly and the seat position airbag sensor assembly.
(b)
Using a service wire, connect B18–3 and B18–5 of con-
nector ”C”.
NOTICE:
Do not forcibly insert a service wire into the terminals of the
connector when connecting.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester connection
Condition
Specified Condition
A19–9 (LSP+) –
A19–17 (LSP–)
Always
Below 1
Ω
NG
Repair or replace floor wire No. 2.
OK
H01010
G27652
H23365
Airbag
Sensor
Assembly
Seat
Position
Airbag
Sensor
Assembly
LSP+
LSP–
A19
A
B
D
C
Floor Wire No. 2
H01010
G27652
H23365
Airbag
Sensor
Assembly
Seat
Position
Airbag
Sensor
Assembly
LSP+
LSP–
A19
A
B
D
C
Floor Wire No. 2
DI–1216
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1410
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
A19–9 (LSP+) –
A19–17 (LSP–)
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
A19–9 (LSP+) –
Body ground
Ignition switch ON
Below 1 V
A19–17 (LSP–) –
Body ground
Ignition switch ON
Below 1 V
NG
Repair or replace floor wire No. 2.
OK
H01010
G27652
H23365
Airbag
Sensor
Assembly
Seat
Position
Airbag
Sensor
Assembly
LSP+
LSP–
A19
A
B
D
C
Floor Wire No. 2
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1217
1411
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
A19–9 (LSP+) –
Body ground
Always
1 M
Ω
or higher
A19–17 (LSP–) –
Body ground
Always
1 M
Ω
or higher
NG
Repair or replace floor wire No. 2.
OK
H10600
H01007
H43920
H23364
DLC3
CG
TC
DTC B1653/35
Seat
Position
Airbag
Sensor
Assembly
Airbag
Sensor
Assembly
DI–1218
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1412
7
Check seat position airbag sensor assembly.
PREPARATION:
(a)
Connect the connectors of the seat position airbag sensor
assembly and 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
(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 B1653/35 is not output.
HINT:
Codes other than DTC B1653/35 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
8
Replace seat position airbag sensor assembly.
(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 seat position airbag sensor assembly (see page
HINT:
Perform the inspection using parts from a normal vehicle if possible.
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