DTC P0123 THROTTLE/PEDAL POSITION SENSOR/SWITCH “A” CIRCUIT HIGH INPUT
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DTC P0123 THROTTLE/PEDAL POSITION
SENSOR/SWITCH “A” CIRCUIT HIGH INPUT
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Detect the open or short circuit of throttle
sensor.
Judge NG when out of the standard value.
(1)
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Rotor
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(2)
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Return
spring
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(3)
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Voltage
(V)
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(4)
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Throttle
valve opening angle (°)
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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 continuous time of completing
the malfunction criteria below becomes more than 0.5 seconds.
Judgment
Value
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Malfunction
Criteria
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Threshold
Value
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Output
voltage
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≥ 4.71
V
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Ignition
switch
|
ON
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Time Needed for Diagnosis:
0.5
seconds
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
|
Malfunction
Criteria
|
Threshold
Value
|
Output
voltage
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< 4.71
V
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Ignition
switch
|
ON
|
|
•
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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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•
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Throttle position sensor process: Fix the throttle
opening at 6.4°.
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•
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ISC open loop compensation: Fix the
amount of ISC open loop compensation at 5%.
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•
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ISC feedback compensation: Not allowed
to calculate the amount of ISC feedback compensation.
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ECM OPERATING
AT DTC SETTING
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Memorize the freeze frame data. (For test
mode $02)
