Toyota Sequoia (2005). Manual — part 400
H41440
H23351
Spiral
Cable
Airbag
Sensor
Assembly
D2+
D2–
D Squib
(Dual stage –
2nd step)
B
C
E
D
F
A
Cowl Wire
A23
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1395
1589
13
Check cowl wire (short).
PREPARATION:
Disconnect the cowl wire connector from the spiral cable.
HINT:
The activation prevention mechanism of connector ”B” has al-
ready been released.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
A23–4 (D2+) –
A23–3 (D2–)
Always
1 M
Ω
or higher
NG
Repair or replace cowl wire.
OK
H41479
H23350
Spiral
Cable
Airbag
Sensor
Assembly
D2+
D2–
D Squib
(Dual stage –
2nd step)
Color: Black
A
B
D
E
C
F
DI–1396
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1590
14
Check spiral cable (short).
PREPARATION:
Release the activation prevention mechanism built into con-
nector ”D” (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
Replace spiral cable (see page
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
HINT:
Perform the simulation method by selecting the check mode with the hand–held tester (see page
After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page
H41440
H23351
Spiral
Cable
Airbag
Sensor
Assembly
D2+
D2–
D Squib
(Dual stage –
2nd step)
B
C
E
D
F
A
Cowl Wire
A23
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–1397
1591
15
Check cowl wire (open).
PREPARATION:
Disconnect the cowl wire connector from the spiral cable.
CHECK:
Measure the resistance according to the value(s) in the table
below.
OK:
Tester Connection
Condition
Specified Condition
A23–4 (D2+) –
A23–3 (D2–)
Always
Below 1
Ω
NG
Repair or replace cowl wire.
OK
H41479
H23350
Spiral
Cable
Airbag
Sensor
Assembly
D2+
D2–
D Squib
(Dual stage –
2nd step)
Color: Black
A
B
D
E
C
F
DI–1398
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
1592
16
Check spiral cable (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
Replace spiral cable (see page
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
HINT:
Perform the simulation method by selecting the check mode with the hand–held tester (see page
After selecting the check mode, perform the simulation method by wiggling each connector of the air-
bag system or driving the vehicle on a city or rough road (see page
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