Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Open in p/t (rh) circuit / Circuit description
Toyota Corolla (E120): Circuit description
The p/t squib circuit (rh) consists of the airbag sensor assy center and seat belt pretensioner (rh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0131/64 is recorded when an open is detected in the p/t squib (rh) circuit.
Wiring diagram
Other materials:
Inspection procedure
Hint:
start the inspection from step 1 in case of using the hand–held tester and start
from step 2 in case of not
using hand–held tester.
1 Inspect brake actuator assy
Select the datalist mode on the hand–held tester.
check the operation sound of the abs pump motor when operat ...
Customizing vehicle features
It is possible to customize the language and Eco Driving Indicator Light settings
using the “DISP” switch.
When customizing vehicle features, ensure that the vehicle is parked in a safe
place with the shift the shift lever to P (continuously variable transmission) or
N (manual transmissio ...
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 ...