Toyota ZZT230 series, Руководство по ремонту

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01-418
DlAGNOSTJCS
-
SUPPLEMENTAL RESTRAINT SYSTEM
DTC
801 38/72 Short in
PIT
Squib {LH) Circuit {to B+)
CIRCUIT DESCRIPTION
The Pff squib
(LH)
circuit consists of the airbag sensor assembly and seat belt pretensioner (LH).
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 R5-2.
DTC 80138/72
is recorded when a
8+
short is detected in the PIT squib
(LH)
circuit
DTC No.
DTC
Detecting Condition
Trouble Area
•Short circuit
In seat
belt pretensioner (lH) wire harness
•
Seat belt pretensioner (LH)
{to B+)
80138172
•
PfT
squib (LH)
malfunction
• Airbag
sensor assembly malfunction
WIRING DIAGRAM
See page Dl-408,
INSPECTION PROCEDURE
•
Airbag sensor assembly
•
Wire harness
1
Prepare for inspection (See step 1 on page Dl-471 )
.
0
2
Check Prr s q
u
ib (LH) circuit.
CHECK:
(a) Turn the ignition switch to ON.
c[l lil=Q
(b)
For the connector (on the seat belt pretensloner side) be-
Airbag
tween the seat belt pretensioner
(LH)
and the airbag sen-
PIT Squib
(LH)
Sensor
sor assembly, measure the voltage between PL+ and
�
Assembly
body ground.
OK:
-
V o l
t
a g e: 0 V
Repair or replace
harness or
connector be·
All0119
tween seat belt pretensioner (LH)
and
alrbag
f-101016
fl082&9
sensor assembly.