Toyota ZZT230 series Repair Manual page 254

DTC
CIRCUIT DESCRIPTION
Refer to OTC P0120 (Throttle/Pedal Position Sensor/Switch �/Ji' Circuit Malfunction)
DTC No.
After
even once, the output
kmlh
P0121
OUioftheapplicabl e rangewhilethevehlcle speed betwee n 30
INSPECTION PROCEDURE
HINT:
Read freeze frame data using TOYOTA hand-held tester or OBD II scan tool. Because freeze frame records
the engine conditions when the maHunction is detected, when troubleshooting it
whether the vehicle was running or stopped, the e ng
at the time of the malfunction.
1
Are there any other codes (besides DTC P0121) being outpu
)
Replace throttle posblon sensor.
)
OIAONOSnCS
P0121 Throttle/Pedal Position Sensor/Switch
Circuit Range/Performance Problem
Detection Item has been
value ot
exceeded 30 kmlll
the vehicle speed
the throltle position senSOf is
and o kmlh
(19 mph) mph) .
(0
-
ENGINE
(19 mph)
• Throltle position sensOf
•ECM
n
e warmed up or not, the air�fuel
i
relevant DTC
Go to
" "
A
on
page Dl-38.
Area
Trouble
is useful for determining
lean or
ratio rich, etc.
?
t
chart.
Dl-43
-