Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Open in p/t squib (lh) circuit / Circuit description
Toyota Corolla (E120): Circuit description
The p/t squib circuit (lh) consists of the airbag sensor assy center and seat belt pretensioner (lh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0136/74 is recorded when an open is detected in the p/t squib (lh) circuit
Wiring diagram
Other materials:
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the instrument panel ...
Automatic transmission / trans
Preparation
Sst
Recomended tools
Equipment
Lubricant
Ssm (special service materials)
...
Seat belt pretensioners (front seats)
The pretensioners help the seat belts to quickly restrain the occupants by retracting
the seat belts when the vehicle is subjected to certain types of severe frontal
or side collision.
The pretensioners do not activate in the event of a minor frontal impact, a minor
side impact, a rear impact ...