Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Throttle/pedal position
sensor/switch ”a” circuit
range/performance problem
Toyota Corolla (E120): Throttle/pedal position sensor/switch ”a” circuit range/performance problem
Dtc p0121 throttle/pedal position sensor/switch ”a” circuit range/performance problem
Hint
: this is the purpose of 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, the ...
Inspection
1. Inspect outer mirror switch assy
Inspect the mirror switch continuity.
Left side for left/right adjustment switch:
inspect the mirror switch continuity
Standard (left side):
If the result is not as specified, replace the switch assembly.
Right side for left/r ...
Inspection procedure
1 Check hazard warning signal switch assy
Check the hazard warning switch continuity, as shown in
the illustration and table.
Standard:
2 Check turn signal flasher assy
3 Check wire harness (tvip ecu turn signal flasher)
Disconnect the tvip ecu and turn signal flashe ...