Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in d squib (2nd step) circuit / Circuit description
Toyota Corolla (E120): Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd step).
Wiring diagram
Other materials:
Dtc check/clear
Notice:
if there is no dtc in the normal mode, check the pending
fault code using the continuous test results
function (mode 7 for sae j1979) on the obd ii scan
tool or the hand–held tester.
Hand–held tester only:
when the diagnosis system is switched from the normal
mode to the ...
Circuit inspection
1 Check d squib circuit(airbag sensor assy center – horn button
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 horn button assy.
connect the ...
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 ...