LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2000 >> QX4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - Introduction >> Self-Diagnostic System >> Diagnostic Trouble Code Identification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Identification

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (ALTIMA, FRONTIER 4-CYL., XTERRA 4-CYL. & QUEST)

Scan Tester DTC/MIL DTC (1) System/Circuit Affected
P0000/0505 No Malfunction/Normal Condition
P0100/0102 Mass Airflow (MAF) Sensor
P0105/0803 Absolute Pressure Sensor
P0110/0401 Intake Air Temp. Sensor
P0115/0103 Engine Coolant Temperature (ECT) Sensor
P0120/0403 Throttle Position (TP) Sensor
P0125/0908 Engine Coolant Temperature (ECT) Sensor
P0130/0303 Front HO2S (Circuit)
P0131/0411 Front HO2S (Lean Shift)
P0132/0410 Front HO2S (Rich Shift)
P0133/0409 Front HO2S (Response Time)
P0134/0412 Front HO2S (High Voltage)
P0135/0901 Front HO2S Heater
P0137/0511 Rear HO2S (Minimum Voltage)
P0138/0510 Rear HO2S (Maximum Voltage)
P0139/0707 Rear HO2S (Response Time)
P0140/0512 Rear HO2S (High Voltage)
P0141/0902 Rear HO2S Heater
P0171/0115 Fuel System Lean
P0172/0114 Fuel System Rich
P0180/0402 Fuel Tank Temperature (FTT) Sensor
P0300/0701 Multiple Cyl. Misfire Detected
P0301/0608 No. 1 Cyl. Misfire Detected
P0302/0607 No. 2 Cyl. Misfire Detected
P0303/0606 No. 3 Cyl. Misfire Detected
P0304/0605 No. 4 Cyl. Misfire Detected
P0305/0604 (2) No. 5 Cyl. Misfire Detected
P0306/0603 (2) No. 6 Cyl. Misfire Detected
P0325/0304 (3) Knock Sensor
P0335/0802 Crankshaft Position Sensor
P0340/0101 Camshaft Position Sensor
P0400/0302 EGR Function
P0402/0306 EGR Backpressure Transducer
P0420/0702 Three-Way Catalyst Malfunction
P0440/0705 EVAP Small Leak Detected
P0443/1008 EVAP Canister Purge Volume Control Valve
P0446/0903 EVAP Canister Vent Control Valve
P0450/0704 EVAP Control System Pressure Sensor
P0455 (4) EVAP Large Leak Detected
P0460 (4) Fuel Level Sensor Function (Slosh)
P0461 (4) Fuel Level Sensor Function
P0464 (4) Fuel Level Sensor Circuit
P0500/0104 Vehicle Speed Sensor (VSS)
P0505/0205 Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
P0510/0203 Closed Throttle Position (TP) Switch
P0600/0504 (5) A/T Communication Line
P0605/0301 ECM
P0705/1101 (5) (6) Inhibitor Switch
P0710/1208 (5) (6) A/T Fluid Temperature Sensor
P0720/1102 (5) (6) Vehicle Speed Sensor
P0725/1207 (5) (6) Engine Speed Signal
P0731/1103 (5) (6) Incorrect Shift To 1st Gear
P0732/1104 (5) (6) Incorrect Shift To 2nd Gear
P0733/1105 (5) (6) Incorrect Shift To 3rd Gear
P0734/1106 (5) (6) Incorrect Shift To 4th Gear
P0740/1204 (5) (6) TCC Solenoid Valve
P0744/1107 (5) (6) Torque Converter Clutch (TCC)
P0745/1205 (5) (6) Line Pressure Solenoid Valve
P0750/1108 (5) (6) Shift Solenoid Valve A
P0755/1201 (5) (6) Shift Solenoid Valve B
P1105/1302 (7) MAP/BARO Switch Circuit
P1148/0307 Closed Loop Fault Detected
P1320/0201 Ignition Signal Circuit
P1336/0905 Crankshaft Position Sensor
P1400/1005 EGRC Solenoid
P1401/0305 EGR Temperature Sensor
P1402/0514 EGR System Fault Detected
P1441/0809 (4) EVAP Very Small Leak Detected
P1444/0214 EVAP Canister Purge Volume Control Valve
P1446/0215 EVAP Canister Vent Control Valve
P1447/0111 EVAP Purge Flow Monitor
P1448/0309 EVAP Canister Vent Control Valve
P1464 (4) Fuel Level Sensor Circuit
P1490/0801 Vacuum Cut Valve By-Pass Valve
P1491/0311 Vacuum Cut Valve By-Pass Valve
P1605/0804 (5) A/T Diagnostic Communication Line
P1705/1206 (5) (6) TP Sensor/A/T Circuit
P1706/1003 Park/Neutral Position (PNP) Switch
P1760/1203 (5) (6) Overrun Clutch Solenoid Valve
P1775/0904 (8) Torque Converter Clutch Solenoid
P1776/0513 (8) Torque Converter Clutch Solenoid
(9)/0208 Cooling Fan/System Fault
(1) Using MIL for retrieving DTCs is not possible on Quest.
(2) Applies to Quest only.
(3) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(4) Applies to Altima only.
(5) Does not apply to Frontier or Xterra.
(6) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS for test procedures.
(7) Does not apply to Altima.
(8) Applies to Frontier only.
(9) Scan Tool DTC is not available.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (FRONTIER V6, XTERRA V6 & PATHFINDER)

Scan Tester DTC/MIL DTC System/Circuit Affected
P0000/0505 No Malfunction/Normal Condition
P0100/0102 Mass Air Flow (MAF) Sensor
P0105/0803 Absolute Pressure Sensor
P0110/0401 Intake Air Temperature Sensor
P0115/0103 Engine Coolant Temperature (ECT) Sensor
P0120/0403 Throttle Position (TP) Sensor
P0125/0908 Engine Coolant Temperature (ECT) Sensor
P0130/0503 Right Front HO2S (Circuit)
P0131/0415 Right Front HO2S (Lean Shift)
P0132/0414 Right Front HO2S (Rich Shift)
P0133/0413 Right Front HO2S (Response Time)
P0134/0509 Right Front HO2S (High Voltage)
P0135/0901 Right Front HO2S Heater
P0137/0511 Right Rear HO2S (Minimum Voltage)
P0138/0510 Right Rear HO2S (Maximum Voltage)
P0139/0707 Right Rear HO2S (Response Time)
P0140/0512 Right Rear HO2S (High Voltage)
P0141/0902 Right Rear HO2S Heater
P0150/0303 Left Front HO2S (Circuit)
P0151/0411 Left Front HO2S (Lean Shift)
P0152/0410 Left Front HO2S (Rich Shift)
P0153/0409 Left Front HO2S (Response Time)
P0154/0412 Left Front HO2S (High Voltage)
P0155/1001 Left Front HO2S Heater
P0157/0314 Left Rear HO2S (Minimum Voltage)
P0158/0313 Left Rear HO2S (Maximum Voltage)
P0159/0708 Left Rear HO2S (Response Time)
P0160/0315 Left Rear HO2S (High Voltage)
P0161/1002 Left Rear HO2S Heater
P0171/0115 Fuel System Lean (Right Bank)
P0172/0114 Fuel System Rich (Right Bank)
P0174/0210 Fuel System Lean (Left Bank)
P0175/0209 Fuel System Rich (Left Bank)
P0180/0402 Fuel Tank Temperature (FTT) Sensor
P0300/0701 Multiple Cyl. Misfire Detected
P0301/0608 No. 1 Cyl. Misfire Detected
P0302/0607 No. 2 Cyl. Misfire Detected
P0303/0606 No. 3 Cyl. Misfire Detected
P0304/0605 No. 4 Cyl. Misfire Detected
P0305/0604 No. 5 Cyl. Misfire Detected
P0306/0603 No. 6 Cyl. Misfire Detected
P0325/0304 (1) Knock Sensor
P0335/0802 Crankshaft Position Sensor
P0340/0101 Camshaft Position Sensor
P0400/0302 EGR Function
P0402/0306 EGR Backpressure Transducer Valve
P0420/0702 Three-Way Catalyst Malfunction (Right Bank)
P0430/0703 Three-Way Catalyst Malfunction (Left Bank)
P0440/0705 EVAP Small Leak Detected
P0443/1008 EVAP Canister Purge Volume Control Valve
P0446/0903 EVAP Canister Vent Control Valve
P0450/0704 EVAP Control System Pressure Sensor
P0455/0715 (2) EVAP Large Leak Detected
P0500/0104 Vehicle Speed Sensor (VSS)
P0505/0205 Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
P0510/0203 Closed Throttle Position Switch
P0600/(3) A/T Communication Line
P0605/0301 ECM
P0705/1101 (4) PNP Switch/Circuit
P0710/1208 (4) A/T Fluid Temperature Sensor
P0720/1102 (4) Vehicle Speed Sensor
P0725/1207 (4) Engine Speed Signal
P0731/1103 (4) Incorrect Shift To 1st Gear
P0732/1104 (4) Incorrect Shift To 2nd Gear
P0733/1105 (4) Incorrect Shift To 3rd Gear
P0734/1106 (4) Incorrect Shift To 4th Gear
P0740/1204 (4) TCC Solenoid Valve
P0744/1107 (4) Torque Converter Clutch (TCC)
P0745/1205 (4) Line Pressure Solenoid Valve
P0750/1108 (4) Shift Solenoid Valve A
P0755/1201 (4) Shift Solenoid Valve B
P1105/1302 MAP/BARO Switch Solenoid
P1148/0307 Closed Loop Fault Detected (Right Bank)
P1168/0308 Closed Loop Fault Detected (Left Bank)
P1320/0201 Ignition Signal Circuit
P1336/0905 Crankshaft Position Sensor
P1400/1005 EGRC Solenoid Valve
P1401/0305 EGR Temperature Sensor
P1402/0514 EGR System Fault Detected
P1440/0213 EVAP System Leak Detected
P1444/0214 EVAP Canister Purge Volume Control Valve
P1446/0215 EVAP Canister Vent Control Valve
P1447/0111 EVAP Canister Purge Flow Monitor
P1448/0309 EVAP Canister Vent Control Valve
P1490/0801 Vacuum Cut Valve By-Pass Valve
P1491/0311 Vacuum Cut Valve By-Pass Valve
P1605/0804 A/T Diagnostic Communication Line
P1705/1206 (4) A/T Temperature Sensor
P1706/1003 Park/Neutral Position Switch
P1760/1203 (4) Overrun Clutch Solenoid Valve
(5)/0208 Cooling Fan/System Fault
(1) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(2) Xterra only.
(3) MIL DTC is not available.
(4) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS for test procedures.
(5) Scan Tool DTC is not available.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (MAXIMA)

DTC System/Circuit Affected
P0000 No Malfunction/Normal Condition
P0100 Mass Airflow (MAF) Sensor
P0105 Absolute Pressure Sensor
P0110 Intake Air Temp. Sensor
P0115 Engine Coolant Temperature (ECT) Sensor
P0120 Throttle Position (TP) Sensor
P0125 Engine Coolant Temperature (ECT) Sensor
P0130 Right Front HO2S (Circuit)
P0131 Right Front HO2S (Lean Shift)
P0132 Right Front HO2S (Rich Shift)
P0133 Right Front HO2S (Response Time)
P0134 Right Front HO2S (High Voltage)
P0135 Right Front HO2S Heater
P0137 Right Rear HO2S (Minimum Voltage)
P0138 Right Rear HO2S (Maximum Voltage)
P0139 Right Rear HO2S (Response Time)
P0140 Right Rear HO2S (High Voltage)
P0141 Right Rear HO2S Heater
P0150 Left Front HO2S (Circuit)
P0151 Left Front HO2S (Lean Shift)
P0152 Left Front HO2S (Rich Shift)
P0153 Left Front HO2S (Response Time)
P0154 Left Front HO2S (High Voltage)
P0155 Left Front HO2S Heater
P0157 Left Rear HO2S (Minimum Voltage)
P0158 Left Rear HO2S (Maximum Voltage)
P0159 Left Rear HO2S (Response Time)
P0160 Left Rear HO2S (High Voltage)
P0161 Left Rear HO2S Heater
P0171 Fuel System Lean (Right Bank)
P0172 Fuel System Rich (Right Bank)
P0174 Fuel System Lean (Left Bank)
P0175 Fuel System Rich (Left Bank)
P0180 Fuel Tank Temperature (FTT) Sensor
P0217 Engine Coolant Overtemperature Enrichment Protection
P0300 Multiple Cyl. Misfire Detected
P0301 No. 1 Cyl. Misfire Detected
P0302 No. 2 Cyl. Misfire Detected
P0303 No. 3 Cyl. Misfire Detected
P0304 No. 4 Cyl. Misfire Detected
P0305 No. 5 Cyl. Misfire Detected
P0306 No. 6 Cyl. Misfire Detected
P0325 (1) Knock Sensor
P0335 Crankshaft Position Sensor
P0340 Camshaft Position Sensor
P0400 EGR Function
P0403 EGR Volume Control Valve
P0420 Three-Way Catalyst Malfunction (Right Bank)
P0430 Three-Way Catalyst Malfunction (Left Bank)
P0440 EVAP System Leak Detected
P0443 EVAP Canister Purge Volume Control Valve
P0446 EVAP Canister Vent Control Valve (EVAP-VCV)
P0450 EVAP Control System Pressure Sensor
P0460 Fuel Level Sensor Function (Slosh)
P0461 Fuel Level Sensor Function
P0464 Fuel Level Sensor Circuit
P0500 Vehicle Speed Sensor (VSS)
P0505 Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
P0510 Closed Throttle Position (TP) Switch
P0600 (2) Transmission Communication Line
P0605 ECM
P0705 (2) PNP Switch
P0710 (2) A/T Fluid Temperature Sensor
P0720 (2) Vehicle Speed Sensor
P0725 (2) Engine Speed Signal
P0731 (2) Incorrect Shift To 1st Gear
P0732 (2) Incorrect Shift To 2nd Gear
P0733 (2) Incorrect Shift To 3rd Gear
P0734 (2) Incorrect Shift To 4th Gear
P0740 (2) TCC Solenoid Valve
P0744 (2) Torque Converter Clutch (TCC)
P0745 (2) Line Pressure Solenoid Valve
P0750 (2) Shift Solenoid Valve A
P0755 (2) Shift Solenoid Valve B
P1126 Thermostat Function
P1148 Closed Loop Fault Detected (Right Bank)
P1165 Swirl Control Valve Vacuum Check Switch
P1168 Closed Loop Fault Detected (Left Bank)
P1217 Engine Overheat
P1220 Fuel Pump Control Module/Circuit
P1320 Ignition Signal Circuit
P1335 Crankshaft Position Sensor
P1336 Crankshaft Position Sensor
P1401 EGR Temperature Sensor
P1402 EGR System Fault Detected
P1440 EVAP System Leak Detected
P1444 EVAP Canister Purge Volume Control Valve
P1446 EVAP Canister Vent Control Valve
P1447 EVAP Purge Flow Monitor
P1448 EVAP Canister Vent Control Valve
P1464 Fuel Level Sensor/Circuit
P1490 Vacuum Cut Valve By-Pass Valve
P1491 Vacuum Cut Valve By-Pass Valve
P1605 A/T Diagnostic Communication Line
P1705 (2) TP Sensor/A/T Circuit
P1706 Park/Neutral Position (PNP) Switch
P1760 (2) Overrun Clutch Solenoid Valve
(1) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(2) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS for test procedures.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION (SENTRA)

DTC System/Circuit Affected
P0000 No Malfunction/Normal Condition
P0100 Mass Airflow (MAF) Sensor
P0105 Absolute Pressure Sensor
P0110 Intake Air Temp. Sensor
P0115 Engine Coolant Temperature (ECT) Sensor
P0120 Throttle Position (TP) Sensor
P0125 Engine Coolant Temperature (ECT) Sensor
P0130 (1) Front HO2S (Circuit)
P0131 (1) Front HO2S (Lean Shift)
P0132 (1) Front HO2S (Rich Shift)
P0133 (1) Front HO2S (Response Time)
P0134 (1) Front HO2S (High Voltage)
P0135 (1) Front HO2S Heater
P0137 (1) Rear HO2S (Minimum Voltage)
P0138 (1) Rear HO2S (Maximum Voltage)
P0139 (1) Rear HO2S (Response Time)
P0140 (1) Rear HO2S (High Voltage)
P0141 (1) Rear HO2S Heater
P0150 (2) Left Front HO2S (Circuit)
P0151 (2) Left Front HO2S (Lean Shift)
P0152 (2) Left Front HO2S (Rich Shift)
P0153 (2) Left Front HO2S (Response Time)
P0154 (2) Left Front HO2S (High Voltage)
P0155 (2) Left Front HO2S Heater
P0157 (2) Left Rear HO2S (Minimum Voltage)
P0158 (2) Left Rear HO2S (Maximum Voltage)
P0159 (2) Left Rear HO2S (Response Time)
P0160 (2) Left Rear HO2S (High Voltage)
P0161 (2) Left Rear HO2S Heater
P0171 (1) Fuel System Lean
P0172 (1) Fuel System Rich
P0174 (2) Left Side (Cylinders No. 2 & 3) Fuel System Lean
P0175 (2) Left Side (Cylinders No. 2 & 3) Fuel System Rich
P0180 Fuel Tank Temperature (FTT) Sensor
P0217 Engine Coolant Overtemperature Enrichment Protection
P0300 Multiple Cyl. Misfire Detected
P0301 No. 1 Cyl. Misfire Detected
P0302 No. 2 Cyl. Misfire Detected
P0303 No. 3 Cyl. Misfire Detected
P0304 No. 4 Cyl. Misfire Detected
P0325 (3) Knock Sensor
P0335 Crankshaft Position Sensor
P0340 Camshaft Position Sensor
P0400 EGR Function
P0403 EGR Volume Control Valve
P0420 (1) Three-Way Catalyst Malfunction
P0430 (2) Left Side Three-Way Catalyst Malfunction
P0440 EVAP Small Leak Detected
P0443 EVAP Canister Purge Volume Control Valve
P0446 EVAP Canister Vent Control Valve (EVAP-VCV)
P0450 EVAP Control System Pressure Sensor
P0455 EVAP Large Leak Detected
P0460 Fuel Level Sensor Function (Slosh)
P0461 Fuel Level Sensor Function
P0464 Fuel Level Sensor Circuit
P0500 Vehicle Speed Sensor (VSS)
P0505 Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
P0510 Closed Throttle Position (TP) Switch
P0600 Transmission Control Module (TCM) Signal Error
P0605 ECM/PCM
P0705 (4) Inhibitor Switch
P0710 (4) A/T Fluid Temperature Sensor
P0720 (4) Vehicle Speed Sensor
P0725 (4) Engine Speed Signal
P0731 (4) Incorrect Shift To 1st Gear
P0732 (4) Incorrect Shift To 2nd Gear
P0733 (4) Incorrect Shift To 3rd Gear
P0734 (4) Incorrect Shift To 4th Gear
P0740 (4) TCC Solenoid Valve
P0744 (4) Torque Converter Clutch (TCC)
P0745 (4) Line Pressure Solenoid Valve
P0750 (4) Shift Solenoid Valve A
P0755 (4) Shift Solenoid Valve B
P1110 (2) Intake Valve Timing Control
P1111 (2) Intake Valve Timing Control Solenoid/Circuit
P1126 Thermostat Function
P1130 (2) Swirl Control Valve Control Solenoid
P1131 (2) Swirl Control Valve Control Solenoid (Circuit)
P1140 (2) Intake Valve Timing Control Position Sensor
P1148 (1) Closed Loop Fault Detected
P1168 (2) Left Side (Cylinders No. 2 & 3) Closed Loop Fault Detected
P1165 (2) Swirl Control Valve Control Vacuum Check Switch
P1217 Engine Overheat
P1320 Ignition Signal Circuit
P1336 Crankshaft Position Sensor
P1401 EGR Temperature Sensor
P1402 EGR System Fault Detected
P1440 EVAP Small Leak Detected
P1441 (2) EVAP Very Small Leak Detected
P1444 EVAP Canister Purge Volume Control Valve
P1446 EVAP Canister Vent Control Valve
P1447 EVAP Canister Purge Flow Monitor
P1448 EVAP Canister Vent Control Valve
P1464 Fuel Level Sensor/Circuit
P1490 Vacuum Cut Valve By-Pass Valve
P1491 Vacuum Cut Valve By-Pass Valve
P1605 A/T Diagnostic Communication Line
P1705 (4) TP Sensor/A/T Circuit
P1706 Park/Neutral Position (PNP) Switch
P1760 (4) Overrun Clutch Solenoid Valve
(1) DTC applies to right side (for cylinders No. 1 and 4) on 1.8L.
(2) 1.8L only.
(3) Freeze frame data will not be stored in the ECM for the knock sensor. The MIL will not light for a knock sensor malfunction.
(4) See appropriate ELECTRONIC CONTROLS article in AUTOMATIC TRANSMISSIONS for test procedures.
scientia non olet · About LEMON Manuals