Toyota Corolla (E120): Circuit description

The airbag front rh sensor circuit consists of the airbag sensor assy center and airbag front rh sensor.

Dtc b1156/b1157/15 is recorded when a malfunction is detected in the airbag front rh sensor circuit.

Wiring diagram

Wiring diagram

Inspection procedure

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    Replacement
    Hint: installation is according to the reverse order of the removal. 1. Remove rear door weatherstrip rh 2. Remove rear door weatherstrip lh 3. Remove rear seat cushion assy (, 72–8) 4. Remove rear seat back assy (fixed type rear seat) 5. Remove separate type rear seat back assy (separate ...

    Precaution
    1. Notices when checking  power door lock/unlock function: the wireless remote control function operates only when the following 3 conditions are met.  No key is inserted into the ignition key cylinder.  All the doors are closed. However, doors can be unlocked even wh ...

    Replacement
    1. Disconnect battery negative terminal 2. Remove engine under cover rh 3. Remove starter assy Disconnect the starter connector.  open the terminal cover. remove the nut, then disconnect the starter wire.  remove the 2 bolts, then remove the starter. 4. Install starter a ...