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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 b0135/73 is recorded when a short is detected in the p/t squib (lh) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

Short in p/t squib (lh) circuit
Dtc b0135/73 short in p/t squib (lh) circuit ...

Inspection procedure
1 Check p/t squib(lh) circuit(airbag sensor assy center Ц front seat outer belt assy lh) Disconnect the negative (Ц) terminal cable from the battery, and wait at least for 90 seconds. &nb ...

Other materials:

Inspection procedure
1 Check side squib(rh) circuit(airbag sensor assy center Ц front seat airbag assy rh) Disconnect the negative (Ц) 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 (rh ...

Battery
Check the battery as follows. ■ Battery exterior Make sure that the battery terminals are not corroded and that there are no loose connections, cracks, or loose clamps. 1 Terminals 2 Hold-down clamp ■Before recharging When recharging, the battery produces hydrogen gas which is ...

Circuit description
The seat belt buckle switch (lh) circuit consists of the airbag sensor assy center and front seat inner belt assy (lh). Dtc b0126/b0127/27 is recorded when a malfunction is detected in the seat belt buckle switch (lh) circuit. Wiring diagram ...

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