Toyota Corolla (E120): 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 b1188/56 is recorded when a b+ short is detected in the p squib (2nd step) circuit.

Wiring diagram
Other materials:
Hood
Opening the hood
1. Pull the hood lock release
lever.
The hood will pop up slightly.
2. Pull the auxiliary catch lever
to the left and lift the hood.
3. Hold the hood open by inserting
the support rod into the
slot.
WARNING
■Pre-driving check
Check that the hood is fully closed
and locked.
If ...
Inspection procedure
1 Inspect dlc3 terminal voltage
Turn the ignition switch to on.
measure voltage between terminals 13 (tc) and 4 (cg) of
dlc3.
Ok:
voltage: 10 – 16 v
2 Check harness and connector(between cruise control ecu assy
and dlc3)
Check for open and short circuit in harness ...
Rear axle beam assy
Replacement
Hint: components:
1. Remove rear wheel
remove the rh and lh rear wheels.
2. Remove rear brake drum sub–assy
3. Separate skid control sensor wire
Disconnect the skid control sensor connector.
remove the 2 bolts and separate the wire harness
clamp ...


