Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Short in p/t squib (lh) circuit / Circuit description
Toyota Corolla (E120): Circuit 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 b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.
Wiring diagram
Other materials:
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...
Inspection procedure
1 Inspect shift solenoid valve(sl)
Remove the shift solenoid valve sl.
measure the resistance according to the value(s) in the
table below.
Standard:
Connect the positive (+) battery lead to the solenoid connector
terminal, and the negative (–) battery lead to the
so ...
Timing gear cover oil seal
Replacement
1. Remove engine under cover rh
2. Remove front wheel rh
3. Remove fan and generator v belt
Turn the v–ribbed belt tensioner slowly clockwise and
loosen it. Then, remove the fan and generator belt v and
put back the v–ribbed belt tensioner little by little and fix
it ...