Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Open in p/t squib (lh) circuit / Circuit description
Toyota Corolla (E120): Circuit description
The p/t squib circuit (lh) 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 b0136/74 is recorded when an open is detected in the p/t squib (lh) circuit
Wiring diagram
Other materials:
Power point socket assy rr
Replacement
Hint: components:
1. Remove parking brake hole cover sub–assy
2. Remove floor shift shift lever knob sub–assy (m/t transaxle)
3. Remove console panel upper
4. Remove console box carpet
5. Remove console box sub–assy rear (m/t transaxle)
6. Remove console box sub–assy rear ...
Inspection procedure
Hand–held tester:
1 Perform active test by hand–held tester(operation of circuit
opening relay)
Connect the hand–held tester to the dlc3.
turn the ignition switch on and push the hand–held tester main
switch on.
select the item ”diagnosis / enhanced obd ii / active ...
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.
...