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.
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HOMESERVICE MANUALSNISSAN-DATSUN2003FRONTIER BASE, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMENGINE CONTROLS - SELF-DIAGNOSTICSDIAGNOSTIC TROUBLE CODE DEFINITIONS
2003 Nissan-Datsun Frontier Base, Standard
Diagnostic Trouble Code Definitions
2003 Nissan-Datsun Frontier Base, StandardSECTION Diagnostic Trouble Code Definitions
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC | CONSULT-II Display | System/Circuit Affected | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P0000 | ----- | No Malfunction/Normal Condition | ||||||||||
| P0031 | HO2S1 HTR (B1) | HO2S1 Heater Control Circuit Low - Bank 1 | ||||||||||
| P0032 | HO2S1 HTR (B1) | HO2S1 Heater Control Circuit High - Bank 1 | ||||||||||
| P0034 (1) | SCB/V CONT SOL/V | SCB Valve Control Solenoid Valve | ||||||||||
| P0037 | HO2S2 HTR (B1) | HO2S2 Heater Control Circuit Low - Bank 1 | ||||||||||
| P0038 | HO2S2 HTR (B1) | HO2S2 Heater Control Circuit High - Bank 1 | ||||||||||
| P0051 (2) | HO2S1 HTR (B2) | HO2S1 Heater Control Circuit Low - Bank 2 | ||||||||||
| P0052 (2) | HO2S1 HTR (B2) | HO2S1 Heater Control Circuit High - Bank 2 | ||||||||||
| P0057 (2) | HO2S2 HTR (B2) | HO2S2 Heater Control Circuit Low - Bank 2 | ||||||||||
| P0058 (2) | HO2S2 HTR (B2) | HO2S2 Heater Control Circuit High - Bank 2 | ||||||||||
| P0101 | MAF SEN/CIRCUIT | Mass Airflow Sensor Circuit Range/Performance Problem | ||||||||||
| P0102 | MAF SEN/CIRCUIT | Mass Airflow Sensor Circuit Low Input | ||||||||||
| P0103 | MAF SEN/CIRCUIT | Mass Airflow Sensor Circuit High Input | ||||||||||
| P0112 | IAT SEN/CIRCUIT | Intake Air Temperature Sensor Circuit Low Input | ||||||||||
| P0113 | IAT SEN/CIRCUIT | Intake Air Temperature Sensor Circuit High Input | ||||||||||
| P0117 | ECT SEN/CIRC | Engine Coolant Temperature Sensor Circuit Low Input | ||||||||||
| P0118 | ECT SEN/CIRC | Engine Coolant Temperature Sensor Circuit High Input | ||||||||||
| P0121 | TP SEN/CIRCUIT | Throttle Position Sensor Circuit Range/Performance | ||||||||||
| P0122 | TP SEN/CIRCUIT | Throttle Position Sensor Circuit Low Input | ||||||||||
| P0123 | TP SEN/CIRCUIT | Throttle Position Sensor Circuit High Input | ||||||||||
| P0125 | ECT SENSOR | Insufficient Engine Coolant Temperature For Closed Loop Fuel Control | ||||||||||
| P0127 | IAT SENSOR | Intake Air Temperature Too High | ||||||||||
| P0128 | THERMSTAT FNCTN | Thermostat Function | ||||||||||
| P0132 | HO2S1 (B1) | HO2S1 Circuit High Voltage - Bank 1 | ||||||||||
| P0133 | HO2S1 (B1) | HO2S1 Circuit Slow Response - Bank 1 | ||||||||||
| P0134 | HO2S1 (B1) | HO2S1 Circuit No Activity Detected - Bank 1 | ||||||||||
| P0138 | HO2S2 (B1) | HO2S2 Circuit High Voltage - Bank 1 | ||||||||||
| P0139 | HO2S2 (B1) | HO2S2 Circuit Slow Response - Bank 1 | ||||||||||
| P0152 (2) | HO2S1 (B2) | HO2S1 Circuit High Voltage - Bank 2 | ||||||||||
| P0153 (2) | HO2S1 (B2) | HO2S1 Circuit Slow Response - Bank 2 | ||||||||||
| P0154 (2) | HO2S1 (B2) | HO2S1 Circuit No Activity Detected - Bank 2 | ||||||||||
| P0158 (2) | HO2S2 (B2) | HO2S2 Circuit High Voltage - Bank 2 | ||||||||||
| P0159 (2) | HO2S2 (B2) | HO2S2 Circuit Slow Response - Bank 2 | ||||||||||
| P0171 | FUEL SYS-LEAN-B1 | Fuel Injection System Too Lean - Bank 1 | ||||||||||
| P0172 | FUEL SYS-RICH-B1 | Fuel Injection System Too Rich - Bank 1 | ||||||||||
| P0174 (2) | FUEL SYS-LEAN-B2 | Fuel Injection System Too Lean - Bank 2 | ||||||||||
| P0175 (2) | FUEL SYS-RICH-B2 | Fuel Injection System Too Rich - Bank 2 | ||||||||||
| P0181 | FTT SENSOR | Fuel Tank Temperature Sensor Circuit Range/Performance | ||||||||||
| P0182 | FTT SEN/CIRCUIT | Fuel Tank Temperature Sensor Circuit Low Input | ||||||||||
| P0183 | FTT SEN/CIRCUIT | Fuel Tank Temperature Sensor Circuit High Input | ||||||||||
| P0217 | ENG OVER TEMP | Engine Coolant Over Temperature Condition | ||||||||||
| P0299 (1) | SC FUNCTION | Supercharger Function | ||||||||||
| P0300 | MULTI CYL MISFIRE | Multiple Cylinder Misfire Detected | ||||||||||
| P0301 | CYL 1 MISFIRE | Cylinder No. 1 Misfire Detected | ||||||||||
| P0302 | CYL 2 MISFIRE | Cylinder No. 2 Misfire Detected | ||||||||||
| P0303 | CYL 3 MISFIRE | Cylinder No. 3 Misfire Detected | ||||||||||
| P0304 | CYL 4 MISFIRE | Cylinder No. 4 Misfire Detected | ||||||||||
| P0305 (2) | CYL 5 MISFIRE | Cylinder No. 5 Misfire Detected | ||||||||||
| P0306 (2) | CYL 6 MISFIRE | Cylinder No. 6 Misfire Detected | ||||||||||
| P0327 | KNOCK SEN/CIRC-B1 | Knock Sensor Circuit Low Input | ||||||||||
| P0328 | KNOCK SEN/CIRC-B1 | Knock Sensor Circuit High Input | ||||||||||
| P0335 | CKP SEN/CIRCUIT | Crankshaft Position Sensor (OBD) Circuit | ||||||||||
| P0340 | CMP SEN/CIRC-B1 | Camshaft Position Sensor Circuit - Bank 1 | ||||||||||
| P0400 (3) | EGR SYSTEM | No EGR Flow Detected | ||||||||||
| P0402 (3) | EGRC-BPT VALVE | EGR Control Backpressure Transducer Malfunction | ||||||||||
| P0405 (3) | EGR TEMP SEN/CIRC | EGR Temperature Sensor Circuit Low Input | ||||||||||
| P0406 (3) | EGR TEMP SEN/CIRC | EGR Temperature Sensor Circuit High Input | ||||||||||
| P0420 | TW CATALYST SYS-B1 | Catalyst System Efficiency Below Threshold - Bank 1 | ||||||||||
| P0430 (2) | TW CATALYST SYS-B2 | Catalyst System Efficiency Below Threshold - Bank 2 | ||||||||||
| P0441 | EVAP PURG FLOW/MON | EVAP Control System Incorrect Purge Flow | ||||||||||
| P0442 | EVAP SMALL LEAK | EVAP Control System Small Leak Detected (Negative Pressure) | ||||||||||
| P0444 | PURG VOLUME CONT/V | EVAP Canister Purge Volume Control Solenoid Valve Circuit Open | ||||||||||
| P0445 | PURG VOLUME CONT/V | EVAP Canister Purge Volume Control Solenoid Valve Circuit Shorted | ||||||||||
| P0447 | VENT CONTROL VALVE | EVAP Canister Vent Control Valve Circuit Open | ||||||||||
| P0452 | EVAP SYS PRES SEN | EVAP Control System Pressure Sensor Low Input | ||||||||||
| P0453 | EVAP SYS PRES SEN | EVAP Control System Pressure Sensor High Input | ||||||||||
| P0455 | EVAP GROSS LEAK | EVAP Control System Gross Leak Detected | ||||||||||
| P0456 | EVAP VERY SML LEAK | EVAP Control System Very Small Leak (Negative Pressure Check) | ||||||||||
| P0460 | FUEL LEV SEN SLOSH | Fuel Level Sensor Circuit Noise | ||||||||||
| P0461 | FUEL LEVEL SENSOR | Fuel Level Sensor Circuit Range/Performance | ||||||||||
| P0462 | FUEL LEVL SEN/CIRC | Fuel Level Sensor Circuit Low Input | ||||||||||
| P0463 | FUEL LEVL SEN/CIRC | Fuel Level Sensor Circuit High Input | ||||||||||
| P0500 | VEH SPEED SEN/CIRC | Vehicle Speed Sensor | ||||||||||
| P0505 | IACV-AAC/V | IACV-AAC Valve Circuit | ||||||||||
| P0506 (4) | IACV-AAC/V | Idle Speed Control System RPM Less Than Expected | ||||||||||
| P0507 (4) | IACV-AAC/V | Idle Speed Control System RPM More Than Expected | ||||||||||
| P0510 | CLSD THL/P SW | Closed Throttle Position Switch Circuit | ||||||||||
| P0600 (2) | A/T COMM LINE | A/T Control Serial Communication Link | ||||||||||
| P0605 | ECM | Engine Control Module | ||||||||||
| P0705 (5) | PNP SW/CIRC | Park/Neutral Position Switch | ||||||||||
| P0710(5) | ATF TEMP SEN/CIRC | A/T Fluid Temperature Sensor Circuit | ||||||||||
| P0720 (5) | VEH SPD SEN/CIR AT | Vehicle Speed Sensor A/T (Revolution Sensor) | ||||||||||
| P0725 (5) | ENGINE SPEED SIG | Engine Speed Signal | ||||||||||
| P0731 (5) | AT 1ST GR FNCTN | A/T 1st Gear Function | ||||||||||
| P0732 (5) | AT 2ND GR FNCTN | A/T 2nd Gear Function | ||||||||||
| P0733 (5) | AT 3RD GR FNCTN | A/T 3rd Gear Function | ||||||||||
| P0734 (5) | AT 4TH GR FNCTN | A/T 4th Gear Function | ||||||||||
| P0740 (5) | TCC SOLENOID/CIRC | Torque Converter Clutch Solenoid Valve | ||||||||||
| P0744 (5) | A/T TCC S/V FNCTN | A/T Torque Converter Clutch Solenoid Valve Function (Lock-Up) | ||||||||||
| P0745 (5) | L/PRESS SOL/CIRC | Line Pressure Solenoid Valve | ||||||||||
| P0750 (5) | SFT SOL A/CIRC | Shift Solenoid Valve A | ||||||||||
| P0755 (5) | SFT SOL B/CIRC | Shift Solenoid Valve B | ||||||||||
| P1143 | HO2S1 (B1) | HO2S1 Lean Shift Monitoring - Bank 1 | ||||||||||
| P1144 | HO2S1 (B1) | HO2S1 Rich Shift Monitoring - Bank 1 | ||||||||||
| P1146 | HO2S2 (B1) | HO2S2 Minimum Voltage Monitoring - Bank 1 | ||||||||||
| P1147 | HO2S2 (B1) | HO2S2 Maximum Voltage Monitoring - Bank 1 | ||||||||||
| P1148 | CLOSED LOOP-B1 | Closed Loop Control - Bank 1 | ||||||||||
| P1163 (2) | HO2S1 (B2) | HO2S1 Lean Shift Monitoring - Bank 2 | ||||||||||
| P1164 (2) | HO2S1 (B2) | HO2S1 Rich Shift Monitoring - Bank 2 | ||||||||||
| P1166 (2) | HO2S2 (B2) | HO2S2 Minimum Voltage Monitoring - Bank 2 | ||||||||||
| P1167 (2) | HO2S2 (B2) | HO2S2 Maximum Voltage Monitoring - Bank 2 | ||||||||||
| P1168 (2) | CLOSED LOOP-B2 | Closed Loop Control - Bank 2 | ||||||||||
| P1217 | ENG OVER TEMP | Engine Over Temperature | ||||||||||
| P1336 | CKP SENSOR (COG) | Crankshaft Position Sensor | ||||||||||
| P1400 (3) | EGR SOLENOID/V | EGRC Solenoid Valve | ||||||||||
| P1402 (3) | EGR SYSTEM | EGRC Solenoid Valve Circuit Open | ||||||||||
| P1442 | EVAP SMALL LEAK | EVAP Control System Small Leak Detected (Positive Pressure) | ||||||||||
| P1444 | PURG VOLUME CONT/V | EVAP Canister Purge Volume Control Solenoid Valve | ||||||||||
| P1446 | VENT CONTROL VALVE | EVAP Canister Vent Control Valve Closed | ||||||||||
| P1448 | VENT CONTROL VALVE | EVAP Canister Vent Control Valve Open | ||||||||||
| P1456 | EVAP VERY SML LEAK | EVAP Control System Very Small Leak (Positive Pressure Check) | ||||||||||
| P1464 | FUEL LEVL SEN/CIRC | Fuel Level Sensor Circuit Ground Signal | ||||||||||
| P1490 | VC/V BYPASS/V | Vacuum Cut Valve By-Pass Valve Circuit | ||||||||||
| P1491 | VC CUT/V BYPASS/V | Vacuum Cut Valve By-Pass Valve | ||||||||||
| P1605 (2) | A/T DIAG COMM LINE | A/T Diagnosis Communication Line | ||||||||||
| P1705 (2) , (5) | TP SEN/CIRC A/T | Accelerator Pedal Position Sensor (Throttle Position Sensor) | ||||||||||
| P1706 | P-N POS SW/CIRCUIT | Park/Neutral Position Switch | ||||||||||
| P1760 (2) , (5) | O/R CLTCH SOL/CIRC | Overrun Clutch Solenoid Valve | ||||||||||
| P1775 (4) | TOR CONV CLTH S/V | TCC Solenoid Valve Circuit | ||||||||||
| 1776 (4) | TOR CONV CLTH S/V | Lock-Up Control System Function | ||||||||||
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RENDER: 1.0x
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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.