DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT LOW INPUT
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DTC P0102 MASS OR VOLUME AIR FLOW CIRCUIT
LOW INPUT
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Detect the open or short circuit of air flow
sensor. Judge NG when out of the standard value.
(1)
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Air flow
sensor
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(A)
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Air
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(2)
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Intake
air temperature sensor
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(3)
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Voltage
(V)
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(4)
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Intake
air volume (kg/s)
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Secondary
Parameters
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Enable
Conditions
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None
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Always perform the diagnosis continuously.
Judge NG when the continuous time of completing
the malfunction criteria below becomes more than 0.5 seconds. Judge
OK and clear the NG when the malfunction criteria below are not
completed.
Judgment
Value
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Malfunction
Criteria
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Threshold
Value
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Output
voltage
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≤ 0.2
V
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Time Needed for Diagnosis:
0.5
seconds
Malfunction Indicator
Light Illumination:
Illuminates as soon as the malfunction
occurs.
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•
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When the OK idling cycle was completed 40 times
in a row
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•
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When “Clear Memory” was
performed
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MALFUNCTION
INDICATOR LIGHT CLEAR CONDITION
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•
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When the OK driving cycle was completed 3 times
in a row
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•
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When “Clear Memory” was
performed
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None
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ECM OPERATING
AT DTC SETTING
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Memorize the freeze frame data. (For test
mode $02)
