Toyota Sequoia (2005). Manual — part 416
H01454
P11
P/T Squib RH
Airbag Sensor Assembly
A21
4
PR+
Y–B
1
2
Y
A21
3
PR–
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1459
1653
WIRING DIAGRAM
DI–1460
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1654
INSPECTION PROCEDURE
CAUTION:
Be sure to perform the following procedures before troubleshooting to avoid unexpected airbag de-
ployment.
(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)
Disconnect the connectors from the airbag sensor assembly.
(d)
Disconnect the connectors from the steering wheel pad.
(e)
Disconnect the connectors from the front passenger airbag assembly.
(f)
w/ Side and curtain shield airbag:
Disconnect the connectors from the side airbag assembly LH.
(g)
w/ Side and curtain shield airbag:
Disconnect the connectors from the curtain shield airbag assembly LH.
(h)
Disconnect the connectors from the front seat outer belt LH.
1
Check DTC.
CHECK:
(a)
Proceed to each step according to how to read DTC.
(1)
If using the hand–held tester (read the 5–digit of DTC):
Using the hand–held tester, check the DTCs (see page
RESULT:
DTC B1900 is output.
A
DTC B1901 is output.
B
DTC B1902 is output.
C
DTC B1903 is output.
D
(2)
If not using the hand–held tester (read the 2–digit of DTC):
Check the DTCs (see page
).
RESULT:
DTC 73 is output.
E
HINT:
Codes other than DTC B1900, B1901, B1902, B1903 and DTC 73 may be output at this time, but they are
not related to this check.
B
Go to step 4.
C
Go to step 5.
D
Go to step 6.
E
Go to step 7.
A
H01019
H43108
H23604
P/T Squib RH
PR–
PR+
Airbag
Sensor
Assembly
Floor Wire
B
C
D
A
P11
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1461
1655
2
Check connector.
CHECK:
Check that the floor wire connector (on the front seat outer belt RH side) is not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG
Repair or replace floor wire.
OK
3
Check floor wire (short).
PREPARATION:
Release the activation prevention mechanism built into con-
nector ”B” (see page
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
P11–1 (PR+) –
P11–2 (PR–)
Always
1 M
Ω
or higher
NG
Repair or replace floor wire.
OK
Go to step 10.
H01019
H43108
H23604
P/T Squib RH
PR–
PR+
Airbag
Sensor
Assembly
Floor Wire
B
C
D
A
P11
H01019
H43108
H23604
P/T Squib RH
PR–
PR+
Airbag
Sensor
Assembly
Floor Wire
B
C
D
A
P11
DI–1462
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1656
4
Check floor wire (open).
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
P11–1 (PR+) –
P11–2 (PR–)
Always
Below 1
Ω
NG
Repair or replace floor wire.
OK
Go to step 11.
5
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
P11–1 (PR+) –
Body ground
Always
1 M
Ω
or higher
P11–2 (PR–) –
Body ground
Always
1 M
Ω
or higher
NG
Repair or replace floor wire.
OK
Go to step 11.
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