Toyota ZZT230 series Repair Manual page 238

)
DTC
CIRCUIT DESCRIPTION
Refer to D T C P0100 (Mass Air
DTC No.
P0101
WIRING DIAGRAM
t o
Refer DTC P0100 (Mass Air Flow Circuit Malfunction) on page
INSPECTION PROCEDURE
)
Read HINT:
freeze frame data using TOYOTA hand-held tester or
the engine conditions when the malfunction is detected, when troubleshooting it is useful for determining
of
whether the vehicle was running or stopped, the engine warmed up or not, the air-fuel ratio lean or rich, etc.
at the time
1 Are there any other codes (besides DTC P01 01) being
Go to relevant
)
P0101 Mass Air Flow Circuit Range/Performance
Problem
Flow
DTC Detecting Condiflon
Con!ltions
engile
(a), {b) and (c) continue
or
rpm
speed 900 less :
closed
{211"1Jdatectlon logic)
(a) Throttle valva fully
1o·c
(b) Mass air flow mater output > 2.2 V
(c) THW >
Conditions
speed
(a) continue
and (b) 10
1,500 rpm or more:
<
(2 trip detection logic)
(a) VTA � V
0.6a
Mass airflow meier
the malfunction.
chart .
DTC
-
DIAONOSnCS
ENGINE
Circuit Malfunction) on page
sec.
or more with
10
•Mass
or more engine
with
sec.
1.06 V
080 II
G I
Repl a ce mass ai r fl o w mat e r .
0 1- 23 .
Trouble Area
meter
flow
air
Dl - 23 for the WIRING DIAGRAM.
scan tool. Because freeze frame records
output?
Dl-27