DTC P2122 THROTTLE/PEDAL POSITION SENSOR/SWITCH “D” CIRCUIT LOW INPUT
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DTC P2122 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “D” CIRCUIT LOW INPUT
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Detect the open or short circuit of accelerator
pedal position sensor 1.
Judge NG when out of the standard value.
(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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Sensor
1 input voltage
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≥ 0.308
V
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Time Needed for Diagnosis:
100
milliseconds
Malfunction Indicator
Light Illumination:
Illuminates as soon as 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 (Only engine stop)
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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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•
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When “Clear Memory” was
performed (Only engine stop)
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•
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Single malfunction: Control with normal sensor
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Multi malfunction: 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)
