Toyota Celica 2005 Repair Manual page 1126

DTC B0108/52
CIRCUIT DESCRIPTION
The P squib circuit consists of the airbag sensor assembly and the 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 B0108/52 is recorded when a B+ short is detected in the P squib circuit.
DTC No.
S Short in P squib wire harness (to B+)
B0108/52 S P squib malfunction
S Airbag sensor assembly malfunction
WIRING DIAGRAM
See page DI−915.
INSPECTION PROCEDURE
1 Prepare for inspection (See step 1 on page DI−1025).
2 Check instrument panel wire.
Instrument Panel Wire
P Squib
ON
(−)
H01022
AB0119
H02146
OK
2005 CELICA (RM1131U)
DIAGNOSTICS
Short in P Squib Circuit (to B+)
DTC Detecting Condition
CHECK:
(a)
(b)
Airbag
Sensor
Assembly
OK:
P+
(+)
H04524
− SUPPLEMENTAL RESTRAINT SYSTEM
S Front passenger airbag assembly (P squib)
S Airbag sensor assembly
S Instrument panel wire
Turn the ignition switch to ON.
Measure the voltage between the body ground and P+ of
the instrument panel wire connector on the front passen-
ger airbag assembly (P squib) side.
Voltage: Below 1 V
NG Repair or replace instrument panel wire.
1125
Trouble Area
DI−925
DI6PA−19