Toyota Corolla (E120): Circuit description

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

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

Dtc b0113/42 is recorded when a b+ short is detected in the side squib (rh) circuit.

Wiring diagram

Wiring diagram

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    Circuit description
    In the diagram below, when the engine is cranked, current flows from terminal st2 of the ignition switch to the starter relay coil and also current flows to terminal sta of the ecm (sta signal). When the sta signal and ne signal are input to the ecm, tr is turned on, current flows to the c ...

    Replacement
    Hint: components: 1. Place front wheels facing straight ahead 2. Remove front wheels 3. Remove engine under cover lh 4. Remove engine under cover rh 5. Remove exhaust pipe 6. Drain transaxle oil 7. Remove hood sub–assy 8. Remove cylinder head cover no.2 9. Remove air cleaner assy 10. R ...

    Overhaul
    1. Drain brake fluid Notice: wash the brake fluid off immediately if it comes into contact with any painted surface. 2. Remove air cleaner cap sub–assy 3. Remove brake master cylinder sub–assy  disconnect the brake fluid level switch connector from master cylinder reservoir subâ ...