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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 217 (Engine Control System (VK50VE) - FX50 - DTC U0101, U0113, U1003, U1001, U1024, & P006A Through P0133 / P0153) >> DTC P0078, P0084: EVT Control Solenoid Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTING CONDITION CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0078 Exhaust valve timing control solenoid valve (bank 1) circuit An improper voltage is sent to the ECM through exhaust valve timing control solenoid valve.
  • Harness or connectors (Exhaust valve timing control solenoid valve circuit is open or shorted.)
  • Exhaust valve timing control solenoid valve
P0084 Exhaust valve timing control solenoid valve (bank 2) circuit
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