Circuit Description - Toyota 1 MZ–FE Manual

EG2–450
DTC P0101 Mass Air Flow Circuit Range Performance
Problem

CIRCUIT DESCRIPTION

Refer to mass air flow circuit malfunction on page EG2–444.
Diagnostic Trouble Code Detecting Condition
DTC No.
Conditions a) and b) continue with engine speed
900 rpm or less.
P0101 (2 trip detection logic)
a) Closed throttle position switch: ON
b) Mass air flow meter output ) 2.2 V
WIRING DIAGRAM
Refer to mass air flow circuit malfunction on page EG2–445.
DIAGNOSTIC CHART
Are there any other codes (besides DTC P0101)
1
being output?
Replace mass air flow meter.
1MZ–FE ENGINE – CIRCUIT INSPECTION
YES
Trouble Area
Mass air flow meter
Go to relevant diagnostic trouble code
chart.