DTC P0340 CAMSHAFT POSITION SENSOR “A” CIRCUIT (BANK 1 OR SINGLE SENSOR)
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DTC P0340 CAMSHAFT POSITION SENSOR “A” CIRCUIT
(BANK 1 OR SINGLE SENSOR)
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Detect the open or short circuit of camshaft
position sensor. Judge NG when the number of camshaft signal remains
to be abnormal.
(A)
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Camshaft
signal
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(B)
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Crankshaft
signal
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(1)
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Boss
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(2)
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Camshaft
sprocket
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(3)
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Air gap
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(4)
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Camshaft
position sensor
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(5)
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Camshaft
one revolution (Engine two revolutions)
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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.
Abnormality Judgment
Judge NG when the engine speed continues
more than 8 revolutions.
Judgment
Value
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Malfunction
Criteria
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Threshold
Value
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Battery
voltage
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≥ 8
V
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Amount
of camshaft sensor signal during 2 revs.
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≠ 2
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Time Needed for Diagnosis:
8
revs.
Malfunction Indicator
Light Illumination:
Illuminates as soon as the malfunction
occurs.
Normality Judgment
Judge OK and clear the NG when the malfunction
criteria below are completed.
Judgment
Value
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Malfunction
Criteria
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Threshold
Value
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Battery
voltage
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≥ 8
V
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Amount
of camshaft sensor signal during 2 revs.
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= 2
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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)
