Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in p squib circuit (to ground) / Circuit description
Toyota Corolla (E120): Circuit description
The p squib circuit consists of the airbag sensor assy center and instrument panel passenger airbag assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0107/51 is recorded when ground short is detected in the p squib circuit.
Wiring diagram
Other materials:
Precaution
1. Handling precautions on srs airbag system
The vehicle is equipped with srs (supplemental restraint system) such as
the driver airbag and front
passenger airbag. Failure to carry out service operation in correct sequence
could cause the srs to
unexpectedly deploy during servicing, po ...
Circuit description
When the ignition switch is turned on, battery positive voltage is applied to
the coilwhich closes the contacts
of the efi main relay (marked: efi) and supplies power to terminal +b of the ecm.
This signal causes current to flow to the coil, closing the contacts of the efi
relay and supplyin ...
Keys
The following keys are provided
with the vehicle.
Type A
Keys (without a wireless
remote control function)
Key number plate
Type B
Keys (with a wireless remote
control function)
Operating the wireless remote control
function
Key number plate
Type C
Electronic keys
Operating the sm ...