Toyota Corolla (E120): Circuit description
The d squib (2nd step) 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 b1183/22 is recorded when a b+ short is detected in the d squib (2nd step) circuit.
Wiring diagram
Other materials:
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...
Monitor description
While the engine is being cranked, the battery positive voltage is applied to
terminal sta of the ecm.
If the ecm detects the starter control signal (sta) while the vehicle is
driving, it will conclude that there is
a fault in the starter control circuit. The ecm will turn on the mil and a d ...
Circuit description
The p squib (2nd step) 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 b1185/57 is recorded when a short is detected in the p squib (2nd step)
circuit.
Wiri ...