Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Throttle/pedal position
sensor/switch ”a” circuit
Toyota Corolla (E120): Throttle/pedal position sensor/switch ”a” circuit
Dtc p0120 throttle/pedal position sensor/switch ”a” circuit
Dtc p0122 throttle/pedal position sensor/switch ”a” circuit low input
Dtc p0123 throttle/pedal position sensor/switch ”a” circuit high input
Hint
: this is the purpose for the ”throttle position sensor”.
Other materials:
Brake
Service data
Torque specification
Parking brake
Service data
Torque specification
...
Inspection procedure
1 Inspect parking brake switch circuit
Check for open and short circuit in parking brake switch circuit
2 Inspect brake fluid level warning switch circuit
Check the brake fluid level in reservoir.
check for open and shot circuit in brake fluid level warning
switch circuit
...
Engine
On–vehicle inspection
Hint:
inspect these items on a cooled down engine.
1. Inspect drive belt
2. Replace spark plugs
3. Inspect air filter
Remove the air filter.
visually check that the air filter is not excessively damaged,
dirty or oily.
Peplace the air filter if nece ...