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:
Circuit description
Refer to dtc p0120
Dtc no.
Dtc detection condition
Trouble area
P0121
The following condition is met 4 times. After the vehicle speed
has exceeded 19 mph (30 km/h) once, the throttle position
sensor output value is out of normal range when the throttle
...
Inspection procedure
Hint:
if different dtcs related to different systems that have terminal e2
as the ground terminal are output
simultaneously, terminal e2 may be open.
If dtc p0441 (purge flow), p0446 (vsv for ccv), p0451, p0452 or p0453
(evaporative pressure
sensor) is output with dtc p0442 or p0456, ...
On–vehicle inspection
1. Inspection throttle body idle speed control valve assy
Notice:
it is impossible to check the resister value and the operation
of isc valve by itself, because the isc valve
has an ic circuit inside it, which transforms the duty
signal from the ecm to the derive signal.
After check ...