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:
Sound quality is bad only when playing tape
Inspection procedure
1 Replace cassette tape with another and recheck
Replace the cassette tape with another and recheck.
Replace the faulty cassette tape with the normal one to see if the
same trouble occurs again.
Standard: malfunction disappear.
2 Check for any foreig ...
Circuit description
Refer to dtc p0130
Hint:
the ecm provides a pulse width modulated control circuit to adjust current
through the heater. The heated
oxygen sensor heater circuit uses a relay on the b+ side of the circuit.
Monitor description
The ecm uses the heated oxygen sensor information to regulate t ...
Overhaul
1. Inspect 4th gear thrust clearance
Using a feeler gauge, measure the 4th gear thrust clearance.
4Th gear thrust clearance:
2. Inspect 3rd gear thrust clearance
Using a dial indicator, measure the 3rd gear thrust clearance.
3Rd gear thrust clearance:
3. Inspect 4th gear ...


