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:
Engine (ignition) switch (vehicles
with a smart key system)
Performing the following
operations when carrying
the electronic key on your
person starts the engine or
changes engine switch
modes.
Starting the engine
1. Check that the parking brake
is set.
2. Check that the shift lever is in
P.
3. Firmly depress the brake
pedal.
and a message will be display ...
Replacement
Hint: components:
1. Remove floor shift shift lever knob sub–assy
2. Remove console panel upper
3. Remove parking brake hole cover sub–assy
4. Remove console box sub–assy rear
5. Separate floor shift cable transmission control shift
Separate the end of the shift cable from the ...
Circuit description
A thermistor is built in the engine coolant temperature sensor and changes
the resistance value according
to the engine coolant temperature.
The structure of the sensor and connection to the ecm is the same as those of
the intake air temperature
sensor.
Hint:
if the ecm detects the dtc ...