Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Nissan-Datsun >> 2013 >> Sentra SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P1800: Intake Manifold Tuning Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P1800 VIAS S/V-1 (Variable intake air system control solenoid valve-1) An excessively low or high voltage signal is sent to ECM through the intake manifold tuning valve.
  • Harness or connectors (The solenoid valve 1 circuit is open or shorted.)
  • Intake manifold tuning valve