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:
Inspection procedure
Hint:
read freeze frame data using the hand–held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, th ...
Wiring diagram
1 Inspect terminal voltage(pi)
(a) turn
Turn the ignition switch to on.
measure voltage between terminal 5 (pi) of cruise control
ecu assy and body ground, when the cruise control main
switch button is on and off.
Ok:
2 Inspect combination meter assy
3 Check harn ...
Body panel undercoating areas
Apply pastar uwe or pastar uc to the chassis, floor underside, sheet metal
fitting weld points of the body, and
inside of the wheel house to prevent rust and noise, as well as protect the body
from flying rocks.
Hint:
work must be performed while wearing the appropriate protective ...