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:
Replacement
Hint: components:
1. Remove front wheel
2. Remove front axle hub lh nut
sst 09930–00010
3. Separate front stabilizer link assy lh
4. Separate speed sensor front lh (w/ abs)
5. Separate front disc brake caliper assy lh
Remove the 2 bolts, separate the brake caliper assy ...
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs adjustment
or repair. Contact your Toyota dealer as soon as possible.
Visible symptoms
● Fluid leaks under the vehicle.
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or u ...
Overhaul
1. Inspect 1st gear thrust clearance
Using a feeler gauge, measure the 1st gear thrust clearance.
Standard clearance:
0.10 – 0.40 Mm (0.0039 – 0.0157 In.)
2. Inspect 2nd gear thrust clearance
Using a dial indicator, measure the 2nd gear thrust clearance.
Standard clearan ...


