Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in d squib circuit (to ground) / 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 b0102/11 is recorded when a ground short is detected in the d squib circuit.
Wiring diagram
Other materials:
Terminals of ecu
Oscilloscope wave (*1)
Hint:
terminal: od – gnd
gauge set: 5 v / div, 50 ms / div
condition: during cruise control driving o/d switch on.
...
Problem symptoms table
If a normal code is displayed during the dtc check but the problem still
occurs, check the circuits for each
problem symptom in the order given in the table below and proceed to the
relevant troubleshooting page.
Notice:
when replacing skid control ecu, sensor or etc., Turn the ignition swi ...
Replacement
Hint: components:
1. Remove radiator grille sub–assy
2. Remove front bumper cover
3. Remove lh headlamp assy
Remove the 3 bolts.
pull out the headlight assy lh forward, then disconnect
the bracket of body side.
Release the claws and disconnect the connectors as
sh ...