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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Engine Control System (VQ35HR) - FX35 - DTC U0101, U0164, U1001, & P0011 Through P0133 / P0153) >> DTC P0122, P0123, P0227, P0228: TP Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: If DTC P0122, P0123, P0227 or P0228 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC LOGIC ".
DTC DETECTION CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0122 Throttle position (TP) sensor 2 (bank 1) circuit low input An excessively low voltage from the TP sensor 2 is sent to ECM.
  • Harness or connectors (TP sensor 2 circuit is open or shorted.)
  • Electric throttle control actuator (TP sensor 2)
P0123 Throttle position (TP) sensor 2 (bank 1) circuit high input An excessively high voltage from the TP sensor 2 is sent to ECM.
P0227 Throttle position (TP) sensor 2 (bank 2) circuit low input An excessively low voltage from the TP sensor 2 is sent to ECM.
P0228 Throttle position (TP) sensor 2 (bank 2) circuit high input An excessively high voltage from the TP sensor 2 is sent to ECM.
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