Toyota ZZT230 series Repair Manual page 245

INSPECTION PROCEDURE
•
HINT:
If DTC P0100 (Mass Air Flow Meter Circuit Malfunction),
o a ce
Perf rm n Problem), P0110
•
Circuit Malfunction), P0120
Read freeze frame
records the engine conditions when
determining whether the vehicle
ratio lean or rich, etc. at the time
1
Connect OBD II scan tool or TOYOTA hand-held tester, and read value of
engine coolant temperature.
PREPARATION:
Connect the OBD II scan
(a)
Tum the ignition switch
(b)
ON.
CHECK:
Read temperature value on the
Same as
•
actual engine coolant temperature
•
HINT:
If If there is circuit, OBD II scan tool or TOYOTA hand-held tester indicates -40GC
there is open
open circuit, OBD II scan tool or TOYOTA hand- held tester indicates 140G C {284" F) or more.
Check tor Intermittent problems
(See page Dl-3).
(Intake Air Temp. Circuit Malfunction),
l
(T hro tt
le /P ed a Position Sensor/Switch
be open.
data TOYOTA han<Hleld tester or OBD II scan tool. Because freeze frame
using
the malfunction is detected,
was running or stopped, the engine warmed up or not, the air-fuel
of the malfunction.
tool or TOYOTA hand-held tester to the DLC3.
ON push the OBD II scan tool or TOYOTA hand-held tester main switch
and
OBD II scan tool or TOYOTA hand-held tester.
-
P01 01 (Mass Air Flow Meter Circuit Range/
�N P0115
Circuit Malfunction) are output
when troubleshooting
-40"C ( -40 " F )
140'C ( 2 84" F )
Go
.•.
or more
(Engine Coolant Temp.
it i s useful for
{-40•F).
. 4.
2.
to step
to step
. .
'
I