Toyota Corolla Repair Manual: 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 b0137/71 is recorded when a ground short is detected in the p/t squib (lh) circuit.
Wiring diagram
Short in p/t squib (lh) circuit (to
ground)
Dtc b0137/71 short in p/t squib (lh) circuit (to
ground) ...
Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center – front seat
outer belt assy lh)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
&nb ...
Other materials:
Data list/active test
1. Data list
Hint:
using the data list displayed by the hand–held tester or the obd ii scan tool,
you can read the value of
the switches, sensors, actuators and so on without parts removal. Reading the
data list as a first step
of troubleshooting is one method to shorten diagnostic time.
...
Replacement
1. Drain engine oil
remove the oil pan drain plug and drain the engine oil.
2. Removal & installation chain sub–assy
3. Remove chain vibration damper no.1
remove 2 bolts and chain vibration damper no. 1.
4. Remove oil pump assy
Remove the 5 bolts.
remov ...
Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument
panel passenger airbag assy)
Disconnect the negative (–) terminal cable from the battery,
and wait at least for 90 seconds.
disconnect the connectors between the airbag sensor
assy center and the instrument panel pas ...