Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Supplemental restraint system / Front airbag sensor (rh)
malfunction
Toyota Corolla (E120): Front airbag sensor (rh) malfunction
Dtc b1156/15 front airbag sensor (rh) malfunction
Dtc b1157/15 front airbag sensor (rh) malfunction
Other materials:
On–vehicle inspection
1. Inspect brake booster
Airtightness check.
Start the engine and stop it after 1 or 2 minutes. Depress
the brake pedal several times slowly.
Hint:
if the pedal goes down farthest at the 1st time, but gradually
rises after the 2nd or 3rd time, the booster is airtight.
...
Body dimension drawings
Engine compartment
Body opening areas (side view: front)
Body opening areas (side view: rear)
Sedan
Body opening areas (rear view)
Sedan
Under body
Under body
Front suspension crossmember
Front suspension crossmember
...
For vehicles equipped with catalytic converter
Caution:
if large amount of unburned fuel flows into the converter, it may cause
overheating and a fire hazard.
To prevent this, observe the following precautions.
Use only unleaded gasoline.
avoid prolonged idling.
Avoid running the engine at idle speed for more than 20 minutes. ...