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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Introduction (Qr25DE) >> Trouble Diagnosis >> DTC Inspection Priority Chart >> Notes
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DTC Inspection Priority Chart: Notes

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority chart.

NOTE:
DTC INSPECTION PRIORITY CHART

Priority Detected items (DTC)
1
  • U1000 U1001 CAN communication line
  • U1010 CAN communication
  • P0101 P0102 P0103 Mass air flow sensor
  • P0112 P0113 P0127 Intake air temperature sensor
  • P0117 P0118 P0125 Engine coolant temperature sensor
  • P0122 P0123 P0222 P0223 P1225 P1226 P2135 Throttle position sensor
  • P0128 Thermostat function
  • P0181 P0182 P0183 Fuel tank temperature sensor
  • P0327 P0328 Knock sensor
  • P0335 Crankshaft position sensor (POS)
  • P0340 Camshaft position sensor (PHASE)
  • P0460 P0461 P0462 P0463 Fuel level sensor
  • P0500 Vehicle speed sensor
  • P0605 ECM
  • P0643 Sensor power supply
  • P0705 P0850 Park/Neutral position (PNP) switch
  • P1610 - P1615 NATS
  • P2122 P2123 P2127 P2128 P2138 Accelerator pedal position sensor
2
  • P0031 P0032 P0051 P0052 Air fuel ratio (A/F) sensor 1 heater
  • P0037 P0038 P0057 P0058 Heated oxygen sensor 2 heater
  • P0075 Intake valve timing control solenoid valve
  • P0130 P0131 P0132 P0133 P0150 P0151 P0152 P0153 P2A00 P2A03 Air fuel ratio (A/F) sensor 1
  • P0137 P0138 P0139 P0157 P0158 P0159 Heated oxygen sensor 2
  • P0441 EVAP control system purge flow monitoring
  • P0443 P0444 P0445 EVAP canister purge volume control solenoid valve
  • P0447 P0448 EVAP canister vent control valve
  • P0451 P0452 P0453 EVAP control system pressure sensor
  • P0603 ECM power supply
  • P0710 P0715 P0720 P0740 P0744 P0745 P0746 P0776 P0778 P0840 P0845 P1740 CVT related sensors, solenoid valves and switches
  • P1217 Engine over temperature (OVERHEAT)
  • P1777 P1778 CVT step motor
  • P1805 Brake switch
  • P2100 P2103 Throttle control motor relay
  • P2101 Electric throttle control function
  • P2118 Throttle control motor
3
  • P0011 Intake valve timing control
  • P0171 P0172 P0174 P0175 Fuel injection system function
  • P0300 - P0304 Misfire
  • P0420 P0430 Three way catalyst function
  • P0442 P0456 EVAP control system (SMALL LEAK, VERY SMALL LEAK)
  • P0455 EVAP control system (GROSS LEAK)
  • P0506 P0507 Idle speed control system
  • P1148 P1168 Closed loop control
  • P1421 Cold start control
  • P1564 ASCD steering switch
  • P1572 ASCD brake switch
  • P1574 ASCD vehicle speed sensor
  • P1715 Primary speed sensor
  • P2119 Electric throttle control actuator