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DTC Detection Logic

WARNING: This page is about a different car, the 2010 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1225 Closed throttle position learning performance (bank 1) Closed throttle position learning value is excessively low.
  • Electric throttle control actuator [Throttle position (TP) sensor 1 and 2]
P1234 Closed throttle position learning performance (bank 2)
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