DTC P1544 EXHAUST GAS TEMPERATURE TOO HIGH
|
|
DTC P1544 EXHAUST GAS TEMPERATURE TOO HIGH
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Detect the malfunction of high exhaust gas
temperature.
Judge NG when the exhaust gas becomes too
high.
|
Secondary
Parameters
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Enable
Conditions
|
Battery
voltage
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> 10.9
V
|
Always perform the diagnosis continuously.
Abnormality Judgment
Judge NG when the continuous time of completing
the malfunction criteria below becomes more than 8.2 seconds.
Judgment
Value
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Malfunction
Criteria
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Threshold
Value
|
Fuel
cut event
|
Not
operating
|
After
fuel cut
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≥ 1
seconds
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Exhaust
temperature
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≥ 1,050°C
(1,922°F)
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Time Needed for Diagnosis:
8.2
seconds
Malfunction Indicator
Light Illumination:
Illuminates as soon as the malfunction
occurs.
Normality Judgment
Judge OK and clear the NG when the continuous
time of completing the malfunction criteria below becomes more than
8.2 seconds.
Judgment
Value
|
Malfunction
Criteria
|
Threshold
Value
|
Exhaust
temperature
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< 550°C
(1,022°F)
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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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When “Clear Memory” was
performed
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None
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ECM OPERATION
AT DTC SETTING
|
Memorize the freeze frame data. (For test
mode $02)
