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DIAGNOSTICS
ENGINE
DI
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25
1996 LAND CRUISER (RM451U)
DTC
P0101
Mass Air Flow Circuit Range/Performance
Problem
CIRCUIT DESCRIPTION
Refer to DTC P0100 (Mass Air Flow Circuit Malfunction) on page
DI
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20
.
DTC No.
DTC Detecting Condition
Trouble Area
P0101
Conditions (a) and (b) continue with engine speed 900 rpm or
less (2 trip detection logic):
(a) Closed throttle position switch: ON
(b) Mass air flow meter output
>
2.2 V
S
Mass air flow meter
Conditions (a) and (b) continue with engine speed 1500 rpm
(2 trip detection logic):
(a) Mass air flow meter output < 1 V
(b) VTA
y
0.72
V
WIRING DIAGRAM
Refer to DTC P0100 (Mass Air Flow Circuit Malfunction) on page
DI
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20
for the WIRING DIAGRAM.
INSPECTION PROCEDURE
1
Are there any other codes (besides DTC P0101) being output?
YES
Go to relevant DTC chart.
NO
Replace mass air flow meter.
DI5P0
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02
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Version 1.00 - 12/21/2010