–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–621
883
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
DTC
B0106/54
Open in P Squib Circuit
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and front passenger airbag assembly.
It causes the SRS to deploy when the SRS deployment conditions are satisfied.
For details of the function of each component, see OPERATION on page RS–2.
DTC B0106/54 is recorded when an open is detected in the P squib circuit.
DTC No.
DTC Detecting Condition
Trouble Area
B0106/54
Open circuit in P+ wire harness or P– wire harness of
squib
P squib malfunction
Airbag sensor assembly malfunction
Front passenger airbag assembly (P squib)
Passenger airbag manual on–off switch
Airbag sensor assembly
Wire harness
WIRING DIAGRAM
See page DI–616.
INSPECTION PROCEDURE
1
Prepare for inspection (See step 1 on page DI–675).
2
Check passenger airbag manual on–off switch (See page RS–46).
NG
Replace passenger airbag manual on–off
switch.
OK
DI69R–02
H02142
H11837
H11845
P Squib
P +
P–
(–)
(+)
Airbag
Sensor
Assembly
Passenger Airbag
Manual On–Off
Switch
ON
DI–622
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
884
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
3
Check P squib circuit.
PREPARATION:
Turn the passenger airbag manual on–off switch to ON.
CHECK:
For the connector (on the front passenger airbag assembly
side) between the front passenger airbag assembly and the air-
bag sensor assembly, measure the resistance between P+ and
P–.
OK:
Resistance: Below 1 Ω
NG
Repair or replace harness or connector be-
tween front passenger airbag assembly and air-
bag sensor assembly.
OK
AB0119
H01078
H02144
H10600
H11838
H13971
P +
P–
DTC B0106/54
DLC3
CG
Tc
→ ←
P Squib
Airbag
Sensor
Assembly
Passenger Airbag
Manual
On–Off
Switch
ON
ON
–
DIAGNOSTICS
SUPPLEMENTAL RESTRAINT SYSTEM
DI–623
885
Author:
Date:
2003 TOYOTA TACOMA (RM1002U)
4
Check airbag sensor assembly.
PREPARATION:
(a)
Turn the passenger airbag manual on–off switch to ON.
(b)
Connect the connector to the airb