Toyota ZZT230 series, Repair Manual

Page: 623 / 821

Dl-412
SUPPLEMENTAL RESTRAINT
DTC
801 36/74
Open in
PIT
Squib (LH) Circuit
CIRCUIT DESCRIPTION
The PIT squib circuit (LH) 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
RS-2.
DTC 80136/74
is recorded when an open is detected in the PIT squib (LH) circuit
DTCNo. DTC Detecting Condition
•Open
circuit in
PL+
wire harness or
PL-
wire harness of
squib
80136174
• Prr
squib (LH) malfunction
• Airbag sensor assembly malfunction
WIRING DIAGRAM
See page
01-408.
INSPECTION PROCEDURE
Trouble Area
•Seat belt pretensioner
(LH)
•
Airbag sensor assembly
•
Wire harness
1
Prepare for Inspection (See step
1
on page
Dl-471 )
.
0
2
Check Prr squib (LH) circuit.
CHECK:
c[J [iJ::::[J
PIT
Squib (LH)
Air bag
Sensor
Assembly
For the connector (on the seat belt pretensioner side) between
the seat belt pretensioner (LH) and the airbag sensor assembly,
measure the resistance between PL+ and PL-.
1-101016
H022!3
Resistance: Below
1 0
L>G
tween seat belt pretensloner
(LH)
and alrbag