DTC P2138 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” / “E” VOLTAGE RATIONALITY
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DTC P2138 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “D” / “E” VOLTAGE
RATIONALITY
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Judge NG when the signal level of throttle
position sensor 1 is different from the throttle position sensor
2.
(1)
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Engine
control module (ECM)
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(3)
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Accelerator pedal position sensor 2 signal.
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(2)
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Accelerator pedal position sensor 1 signal.
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(4)
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Accelerator
pedal position sensor
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Secondary
Parameters
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Enable
Conditions
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Ignition
switch
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ON
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Always perform the diagnosis continuously.
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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Signal
difference between two sensors
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≤ 0.8°
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Details of Judgment
Value
(1)
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Sensor
output difference (°)
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(2)
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Accelerator pedal position sensor 2 opening angle (°)
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(3)
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NG area
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Time Needed for Diagnosis:
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116 milliseconds (For NG)
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1000 milliseconds (For OK)
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Malfunction Indicator
Light Illumination:
Illuminates as soon as malfunction occurs.
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When the OK idling cycle was completed 40 times
in a row
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When “Clear Memory” was
performed
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MALFUNCTION
INDICATOR LIGHT CLEAR CONDITION
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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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Fix the throttle opening angle to 6°.
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ECM OPERATION
AT DTC SETTING
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Memorize the freeze frame data. (For test mode $02)
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Memorize the diagnostic value and trouble
standard value. (For test mode $06)
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