Toyota Corolla (E120) 2002–2008 Repair Manual / Supplemental restraint system
Toyota Corolla (E120): Supplemental restraint system
- Supplemental restraint systems
- Horn button assy
- Spiral cable sub–assy
- Instrument panel passenger air bag assy
- Front seat airbag assy rh
- Air bag sensor assy center
- Air bag front rh sensor
- Air bag sensor front lh
- Side air bag sensor assy rh
- Seat position air bag sensor
Other materials:
Inspection procedure
Hint:
if dtc p0441 (purge flow), p0446 (vsv for ccv or vsv for pressure
switching valve), p0451, p0452
or p0453 is output with dtc p0442 or p0456 , first troubleshoot
dtc p0441, p0446, p0451, p0452 or p0453. If no malfunction is detected,
troubleshoot dtc
p0442 or p0456 next.
...
Circuit description
The purpose of this circuit is to prevent the engine from stalling while
driving in lock–up condition, when
brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signals to the ecm. Then
the ecm cancels the operation
of the lock–up clutch while braking is i ...
Inspection procedure
1 Prepare for inspection
Disconnect the negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
remove the horn button assy .
disconnect the connector of the instrument panel passenger airbag assy
.
disconnect the connector of the front sea ...


