Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Engine Performance - (QG18DE)
ENGINE PERFORMANCE DIAGNOSTIC TROUBLE CODES (DTC) IDENTIFICATION (QG18DE)
| DTC | Description |
|---|---|
| DTC U1000 | CAN COMMUNICATION LINE |
| DTC U1001 | CAN COMMUNICATION LINE |
| DTC P0011 | IVT CONTROL |
| DTC P0037 | HO2S2 HEATER |
| DTC P0038 | HO2S2 HEATER |
| DTC P0101 | MAF SENSOR |
| DTC P0102 | MAF SENSOR |
| DTC P0103 | MAF SENSOR |
| DTC P0112 | IAT SENSOR |
| DTC P0113 | IAT SENSOR |
| DTC P0117 | ECT SENSOR |
| DTC P0118 | ECT SENSOR |
| DTC P0122 | TP SENSOR |
| DTC P0123 | TP SENSOR |
| DTC P0125 | ECT SENSOR |
| DTC P0127 | IAT SENSOR |
| DTC P0128 | THERMOSTAT FUNCTION |
| DTC P0138 | HO2S2 |
| DTC P0139 | HO2S2 |
| DTC P0171 | FUEL INJECTION SYSTEM FUNCTION |
| DTC P0172 | FUEL INJECTION SYSTEM FUNCTION |
| DTC P0181 | FTT SENSOR |
| DTC P0182 | FTT SENSOR |
| DTC P0183 | FTT SENSOR |
| DTC P0222 | TP SENSOR |
| DTC P0223 | TP SENSOR |
| DTC P0300 | NO. 1-4 CYLINDER MISFIRE, MULTIPLE CYLINDER MISFIRE |
| DTC P0301 | NO. 1 CYLINDER MISFIRE |
| DTC P0302 | NO. 2 CYLINDER MISFIRE |
| DTC P0303 | NO. 3 CYLINDER MISFIRE |
| DTC P0304 | NO. 4 CYLINDER MISFIRE |
| DTC P0327 | KS |
| DTC P0328 | KS |
| DTC P0335 | CKP SENSOR (POS) |
| DTC P0340 | CMP SENSOR (PHASE) |
| DTC P0420 | THREE WAY CATALYST FUNCTION |
| DTC P0441 | EVAP CONTROL SYSTEM |
| DTC P0442 | EVAP CONTROL SYSTEM |
| DTC P0444 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| DTC P0445 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| DTC P0447 | EVAP CANISTER VENT CONTROL VALVE |
| DTC P0452 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| DTC P0453 | EVAP CONTROL SYSTEM PRESSURE SENSOR |
| DTC P0455 | EVAP CONTROL SYSTEM |
| DTC P0456 | EVAP CONTROL SYSTEM |
| DTC P0460 | FUEL LEVEL SENSOR |
| DTC P0461 | FUEL LEVEL SENSOR |
| DTC P0462 | FUEL LEVEL SENSOR |
| DTC P0463 | FUEL LEVEL SENSOR |
| DTC P0500 | VSS |
| DTC P0506 | ISC SYSTEM |
| DTC P0507 | ISC SYSTEM |
| DTC P0550 | PSP SENSOR |
| DTC P0605 | ECM |
| DTC P1031 | A/F SENSOR 1 HEATER |
| DTC P1032 | A/F SENSOR 1 HEATER |
| DTC P1065 | ECM POWER SUPPLY |
| DTC P1102 | MAF SENSOR |
| DTC P1111 | IVT CONTROL SOLENOID VALVE |
| DTC P1121 | ELECTRIC THROTTLE CONTROL ACTUATOR |
| DTC P1122 | ELECTRIC THROTTLE CONTROL FUNCTION |
| DTC P1124 | THROTTLE CONTROL MOTOR RELAY |
| DTC P1126 | THROTTLE CONTROL MOTOR RELAY |
| DTC P1128 | THROTTLE CONTROL MOTOR |
| DTC P1132 | SWIRL CONTROL VALVE |
| DTC P1137 | SWIRL CONTROL VALVE CONTROL POSITION SENSOR |
| DTC P1138 | SWIRL CONTROL VALVE |
| DTC P1146 | HO2S2 |
| DTC P1147 | HO2S2 |
| DTC P1148 | CLOSED LOOP CONTROL |
| DTC P1217 | ENGINE OVER TEMPERATURE |
| DTC P1225 | TP SENSOR |
| DTC P1226 | TP SENSOR |
| DTC P1229 | SENSOR POWER SUPPLY |
| DTC P1271 | A/F SENSOR 1 |
| DTC P1272 | A/F SENSOR 1 |
| DTC P1273 | A/F SENSOR 1 |
| DTC P1274 | A/F SENSOR 1 |
| DTC P1276 | A/F SENSOR 1 |
| DTC P1278 | A/F SENSOR 1 |
| DTC P1279 | A/F SENSOR 1 |
| DTC P1444 | EVAP CANISTER PURGE VOLUME CONTROL SOLENOID VALVE |
| DTC P1446 | EVAP CANISTER VENT CONTROL VALVE |
| DTC P1564 | ASCD STEERING SWITCH |
| DTC P1572 | ASCD BRAKE SWITCH |
| DTC P1574 | ASCD VEHICLE SPEED SENSOR |
| DTC P1706 | PNP SWITCH |
| DTC P1805 | BRAKE SWITCH |
| DTC P2122 | APP SENSOR |
| DTC P2123 | APP SENSOR |
| DTC P2127 | APP SENSOR |
| DTC P2128 | APP SENSOR |
| DTC P2135 | TP SENSOR |
| DTC P2138 | APP SENSOR |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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