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P0123

DTC P0123 - THROTTLE/PEDAL POSITION SENSOR/SWITCH "A" CIRCUIT HIGH INPUT

OUTLINE OF DIAGNOSIS
Detect the open or short circuit of throttle position sensor 1.
Judge NG when out of the standard value.




COMPONENT DESCRIPTION




ENABLE CONDITION

GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.

DIAGNOSTIC METHOD
Judge OK and clear the NG when the malfunction criteria are completed.




Time Needed for Diagnosis: 24 seconds
Malfunction Indicator Light Illumination: Illuminates as soon as malfunction occurs.

DTC CLEAR CONDITION
- When the OK idling cycle was completed 40 times in a row
- When "Clear Memory" was performed (Only engine stop)

MALFUNCTION INDICATOR LIGHT CLEAR CONDITION
- When the OK driving cycle was completed 3 times in a row
- When "Clear Memory" was performed (Only engine stop)

FAIL SAFE
Stop power distribution to electric control throttle motor. (Throttle opening is fixed to 6°.)

ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)