Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in p/t squib (lh) circuit (to b+) / Circuit descriptionCircuit description
Toyota Corolla (E120): Circuit descriptionCircuit description
The p/t squib (lh) circuit consists of the airbag sensor assy center and seat belt pretensioner (lh).
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b0138/72 is recorded when a b+ short is detected in the p/t squib (lh) circuit.
Wiring diagram
Other materials:
Precaution
1. Handling precautions on srs airbag system
The vehicle is equipped with srs (supplemental restraint system) such as
the driver airbag and front
passenger airbag. Failure to carry out service operation in correct sequence
could cause the srs to
unexpectedly deploy during servicing, po ...
Inspection procedure
Hint:
this dtc chart is on the premise that the engine is cranked normally.
If the engine is not cranked, proceed
to the problem symptoms table on page 05–42.
Read freeze frame data using the hand-held tester or the obd ii scan
tool. Freeze frame data records
the engine conditions ...
Checking and replacing fuses
If any of the electrical components
do not operate, a
fuse may have blown. If this
happens, check and replace
the fuses as necessary.
Checking and replacing
fuses
1. Turn the engine switch off.
2. Open the fuse box cover.
Engine compartment: type A
fuse box
Push the tabs in and lift the lid off.
E ...