Toyota Sequoia (2005). Manual — part 398
H41475
H23348
D Squib
(Dual stage –
2nd step)
D2+
D2–
Spiral
Cable
Airbag
Sensor
Assembly
Color: Black
A
B
D
E
C
F
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1387
1581
2
Check connector.
CHECK:
Check that the spiral cable connectors (on the steering wheel pad side) are not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG
Replace spiral cable (see page
OK
3
Check D squib (dual stage – 2nd step) circuit (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
D2+ – D2–
Always
1 M
Ω
or higher
NG
Go to step 13.
OK
Go to step 10.
H41475
H23348
D Squib
(Dual stage –
2nd step)
D2+
D2–
Spiral
Cable
Airbag
Sensor
Assembly
Color: Black
A
B
D
E
C
F
H41475
H23348
D Squib
(Dual stage –
2nd step)
D2+
D2–
Spiral
Cable
Airbag
Sensor
Assembly
Color: Black
A
B
D
E
C
F
DI–1388
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1582
4
Check D squib (dual stage – 2nd step) circuit (open).
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
D2+ – D2–
Always
Below 1
Ω
NG
Go to step 15.
OK
Go to step 11.
5
Check D squib (dual stage – 2nd step) circuit (short to ground).
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
D2+ – Body ground
Always
1 M
Ω
or higher
D2– – Body ground
Always
1 M
Ω
or higher
NG
Go to step 17.
OK
Go to step 11.
H41475
H23348
D Squib
(Dual stage –
2nd step)
D2+
D2–
Spiral
Cable
Airbag
Sensor
Assembly
Color: Black
A
B
D
E
C
F
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1389
1583
6
Check D squib (dual stage – 2nd step) circuit (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
D2+ – Body ground
Ignition switch ON
Below 1 V
D2– – Body ground
Ignition switch ON
Below 1 V
NG
Go to step 19.
OK
Go to step 11.
7
Check connector.
CHECK:
Check that the spiral cable connectors (on the steering wheel pad side) are not damaged.
OK:
The lock button is not disengaged, or the claw of the lock is not deformed or damaged.
NG
Replace spiral cable (see page
OK
H41475
H23348
D Squib
(Dual stage –
2nd step)
D2+
D2–
Spiral
Cable
Airbag
Sensor
Assembly
Color: Black
A
B
D
E
C
F
DI–1390
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1584
8
Check D squib (dual stage – 2nd step) 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
D2+ – Body ground
Ignition switch ON
Below 1 V
D2– – 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
D2+ – D2–
Always
Below 1
Ω
D2+ – Body ground
Always
1 M
Ω
or higher
D2– – Body ground
Always
1 M
Ω
or higher
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
D2+ – D2–
Always
1 M
Ω
or higher
NG
Go to step 21.
OK
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