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 b0137/71 is recorded when a ground short is detected in the p/t squib (lh) circuit.

Wiring diagram
Other materials:
Components
Washer fluid tank
Engine coolant reservoir
Fuse boxes
Engine oil filler cap
Engine oil level dipstick
Battery
Brake fluid reservoir
Radiator
Condenser
Electric cooling fan
Checking the engine oil
With the engine at operating
temperature and turned off,
check the oil level on the ...
Inspection procedure
1 Check side squib(lh) circuit(airbag sensor assy center – front
seat airbag assy lh)
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 front seat airbag assy ...
Inspection procedure
1 Check relay (marking: starter cut)
Inspect the relay continuity, as shown in the illustration
and table.
Standard:
2 Check tvip ecu
Disconnect the tvip ecu connector.
turn the ignition switch position to the start.
measure the voltage between the termina ...


