LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2011 >> M56 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1220 To P2A03 (VK56VD) >> DTC P1225, P1234: TP Sensor >> DTC Logic >> DTC Detection Logic
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Detection Logic

DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P1225 CTP LEARNING-B1 C[losed throttle position learning performance (bank 1)] Closed throttle position learning value is excessively low.
  • Electric throttle control actuator (TP sensor 1 and 2)
P1234 CTP LEARNING-B2 [Closed throttle position learning performance (bank 2)]