Toyota Corolla (E120): Circuit description

The side squib (lh) circuit consists of the airbag sensor assy center and front seat airbag assy (lh).

It causes the srs to deploy when the srs deployment conditions are satisfied.

Dtc b0115/47 is recorded when a short is detected in the side squib (lh) circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    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 ...

    Check and replace ecu
    Notice: start an inspection of the connector from the backside of the connector on the wire harness side with the connector connected to the ecu. When no measurement condition is specified, perform the inspection with the engine stopped and also the ignition switch on. First check the ec ...

    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 ...