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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Code Definitions
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Diagnostic Trouble Code Definitions

DIAGNOSTIC TROUBLE CODE DEFINITIONS

DTC CONSULT-II Display System/Circuit Affected
P0000 ----- No DTC Is Detected/Further Testing May Be Required
P0011  INT/V TIM CONT-B1 Intake/Valve Timing CONT-B1
P0021  INT/V TIM CONT-B2 Intake/Valve Timing CONT-B2
P0031  HO2S1 HTR (B1) Left Front HO2S Heater
P0032  HO2S1 HTR (B1) Left Front HO2S Heater
P0037  HO2S2 HTR (B1) Left Rear HO2S Heater
P0038  HO2S2 HTR (B1) HO2S Heater
P0051  HO2S1 HTR (B2) Right Front HO2S Heater
P0052  HO2S1 HTR (B2) Right Front HO2S1 Heater
P0057  HO2S2 HTR (B2) Right Rear HO2S Heater
P0058  HO2S2 HTR (B2) HO2S Heater
P0101  MAF SEN/CIRCUIT Mass Airflow Sensor
P0102  MAF SEN/CIRCUIT Mass Airflow Sensor
P0103  MAF SEN/CIRCUIT Mass Airflow Sensor
P0112  IAT SEN/CIRCUIT Intake Air Temperature Sensor/Circuit
P0113  IAT SEN/CIRCUIT Intake Air Temperature Sensor/Circuit
P0117  ECT SEN/CIRCUIT Engine Coolant Temperature Sensor/Circuit
P0118  ECT SEN/CIRCUIT Engine Coolant Temperature Sensor/Circuit
P0122  TP SEN2/CIRC Throttle Position Sensor
P0123  TP SEN2/CIRC Throttle Position Sensor
P0125  ECT SENSOR Engine Coolant Temperature Sensor
P0127  IAT SENSOR Intake Air Temperature Sensor (Incorrect Voltage)
P0128  THERMOSTAT FNCTN Thermostat Function
P0132  HO2S1 (B1) Left Front HO2S (High Voltage/Rich Shift)
P0133  HO2S1 (B1) Left Front HO2S (Response Time)
P0134  HO2S1 (B1) Left Front HO2S (Circuit)
P0138  HO2S2 HTR (B1) HO2S Maximum Voltage
P0139  HO2S2 (B1) HO2S2 (Response Monitoring)
P0152  HO2S1 (B2) Right Front HO2S (High Voltage/Rich Shift)
P0153  HO2S1 (B2) Right Front HO2S (Response Time)
P0154  HO2S1 (B2) Right Front HO2S (Circuit)
P0158  HO2S2 (B2) HO2S2 Maximum Voltage
P0159  HO2S2 (B2) HO2S2 (Response Monitoring)
P0171  FUEL SYS-LEAN/BK1 Left Bank Fuel Injection System Function (Lean)
P0172  FUEL SYS-RICH/BK1 Left Bank Fuel Injection System Function (Rich)
P0174  FUEL SYS-LEAN/BK2 Right Bank Fuel Injection System Function (Lean)
P0175  FUEL SYS-RICH/BK2 Right Bank Fuel Injection System Function (Rich)
P0181  FTT SEN/CIRCUIT Fuel Tank Temperature Sensor
P0182  FTT SEN/CIRCUIT Fuel Tank Temperature Sensor
P0183  FTT SEN/CIRCUIT Fuel Tank Temperature Sensor
P0222  TP SEN 1/CIRC Throttle Position Sensor/Circuit
P0223  TP SEN 1/CIRC Throttle Position Sensor/Circuit
P0300  MULTI CYL MISFIRE Multiple Cylinder Misfire
P0301  CYL 1 MISFIRE Cylinder No. 1 Misfire
P0302  CYL 2 MISFIRE Cylinder No. 2 Misfire
P0303  CYL 3 MISFIRE Cylinder No. 3 Misfire
P0304  CYL 4 MISFIRE Cylinder No. 4 Misfire
P0305  CYL 5 MISFIRE Cylinder No. 5 Misfire
P0306  CYL 6 MISFIRE Cylinder No. 6 Misfire
P0307  CYL 7 MISFIRE Cylinder No. 7 Misfire
P0308  CYL 8 MISFIRE Cylinder No. 8 Misfire
P0327  KNOCK SEN/CIRC-B1 Knock Sensor Low Voltage
P0328  KNOCK SEN/CIRC-B1 Knock Sensor High Voltage
P0332  KNOCK SEN/CIR-B2 Knock Sensor Low Voltage
P0333  KNOCK SEN/CIRC-B2 Knock Sensor High Voltage
P0335  CKP SEN/CIRCUIT Crankshaft Position Sensor (POS)
P0340  CMP SEN/CIRCUIT Camshaft Position Sensor (PHASE)
P0420  TW CATALYST SYS-B1 3-Way Catalyst Function - Left Bank
P0430  TW CATALYST SYS-B2 3-Way Catalyst Function - Right Bank
P0441  EVAP PURG FLOW/MON EVAP Control System Purge Flow Monitoring
P0442  EVAP SMALL LEAK EVAP Control System (Small Leak)
P0444  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Solenoid Valve (Excessively Low Voltage)
P0445  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Valve (Excessively High Voltage)
P0447  VENT CONTROL VALVE EVAP Canister Vent Control Valve (Circuit)
P0452  EVAP SYS PRES SEN EVAP Control System Pressure Sensor (Low Voltage)
P0453  EVAP SYS PRES SEN EVAP Control System Pressure Sensor (High Voltage)
P0455  EVAP GROSS LEAK EVAP Control System (Gross Leak)
P0456  EVAP VERY SML LEAK EVAP Control System (Very Small Leak)
P0460  FUEL LEV SEN SLOSH Fuel Level Sensor Function (Slosh)
P0461  FUEL LEVEL SENSOR Fuel Level Sensor Function
P0462  FUEL LEVL SEN/CIRC Fuel Level Sensor/Circuit
P0463  FUEL LEVL SEN/CIRC Fuel Level Sensor/Circuit
P0500  VEH SPEED SEN/CIRC Vehicle Speed Sensor
P0506  ISC SYSTEM Idle Speed Control System
P0507  ISC SYSTEM Idle Speed Control System
P0550  PW ST P SEN/CIRC Power Steering Pressure Sensor
P0605  ECM ECM
P0650  MIL/CIRC MIL (Circuit)
P0705 PNP SW/CIRC (1) Park/Neutral Position Switch
P0710 ATF TEMP SEN/CIRC (1) A/T Fluid Temperature Sensor Circuit
P0720 VEH SPD SEN/CIR AT (1) Vehicle Speed Sensor A/T (Revolution Sensor)
P0740 TCC SOLENOID/CIRC (1) Torque Converter Clutch Solenoid Valve
P0744 A/T TCC S/V FNCTN (1) Torque Converter Clutch Function (Lock-Up)
P0745 L/PRESS SOL/CIRC (1) Line Pressure Solenoid Valve
P1065  ECM BACK UP/CIRC ECM Power Supply (Back-Up)
P1102  MAF Sensor Mass Airflow Sensor
P1111  INT/V TIM V/CIR-B1 Intake Valve Timing Control Solenoid Valve (Circuit) - Left Bank
P1119  RADI TEMP SEN/CIRC Radiator Coolant Temperature Sensor (Circuit)
P1121  ETC ACTR Electric Throttle Control Actuator
P1122  ETC FUNCTION/CIRC Electric Throttle Control Function (Circuit)
P1124  ETC MOT PWR Throttle Control Motor Relay
P1126  ETC MOT PWR Throttle Control Motor Relay
P1128  ETC MOT Throttle Control Motor (Circuit)
P1136  INT/V TIM V/CIR-B2 Intake Valve Timing Control Solenoid Valve (Circuit) - Right Bank
P1140  INTK TIM S/CIRC-B1 Intake Valve Timing Control Position Sensor (Circuit) - Left Bank
P1143  HO2S1 (B1) HO2S1 (Lean Shift Monitoring)
P1144  HO2S1 (B1) HO2S1 (Rich Shift Monitoring)
P1145  INTK TIM S/CIRC-B2 Intake Valve Timing Control Position Sensor (Circuit) - Right Bank
P1146  HO2S2 (B1) HO2S2 (Minimum Voltage)
P1147  HO2S2 (B1) HO2S2
P1148  CLOSED LOOP-B1 Closed Loop Control - Left Bank
P1163  HOS21 (B2) HO2S1 (Lean Shift Monitoring)
P1164  HO2S1 (B2) HO2S1 (Rich Shift Monitoring)
P1166  HO2S2 (B2) HO2S2 (Minimum Voltage)
P1167  HO2S2 (B2) HO2S2 (Maximum Voltage)
P1168  CLOSED LOOP-B2 Closed Loop Control - Right Bank
P1211  TCS C/U FUNCTN TCS Control Unit
P1212  TCS/CIRC TCS Communication Line
P1217  ENG OVER TEMP Engine Over Temperature
P1220  FPCM/CIRCUIT Fuel Pump Control Module
P1225  CTP LEARNING TP Sensor
P1226  CTP LEARNING TP Sensor
P1229  SENSOR POWER/CIRC Sensor Power Circuit
P1442  EVAP SMALL LEAK EVAP Control System (Small Leak) (Positive Pressure)
P1444  PURG VOLUME CONT/V EVAP Canister Purge Volume Control Valve
P1446  VENT CONTROL VALVE EVAP Canister Vent Control Valve (Close)
P1448  VENT CONTROL VALVE EVAP Canister Vent Control Valve (Open)
P1456  EVAP VERY SML LEAK EVAP Very Small Leak
P1464  FUEL LEVL SEN/CIRC Fuel Level Sensor Circuit (Ground Signal)
P1480  FAN CONT S/V CIRC Cooling Fan Speed Control Solenoid Valve (Circuit)
P1490  VC/V BYPASS/V Vacuum Cut Valve By-Pass Valve (Circuit)
P1491  VC CUT/V BYPASS/V Vacuum Cut Valve By-Pass Valve
P1706  P-N POS SW/CIRCUIT Park/Neutral Position Switch
P1716 TURBINE REV S/CIRC (1) Turbine Revolution Sensor
P1720  V/SP SEN (A/T OUT) Vehicle Speed Sensor (A/T Output)
P1730 A/T INTERLOCK (1) A/T Interlock
P1752 I/C SOLENOID/CIRC (1) Input Clutch Solenoid Valve
P1754 I/C SOLENOID FNCTN (1) Input Clutch Solenoid Valve Function
P1757 FR/B SOLENOID/CIRC (1) Front Brake Solenoid Valve
P1759 FR/B SOLENOID FNCT (1) Front Brake Solenoid Valve Function
P1762 D/C SOLENOID/CIRC (1) Direct Clutch Solenoid Valve
P1764 D/C SOLENOID FNCTN (1) Direct Clutch Solenoid Valve Function
P1767 HLR/C SOL/CIRC (1) High & Low Reverse Clutch Solenoid Valve
P1769 HLR/C SOL FNCTN (1) High & Low Reverse Clutch Solenoid Valve Function
P1772 LC/B SOLENOID/CIRC (1) High & Low Reverse Clutch Solenoid Valve
P1774 LC/B SOLENOID FNCT (1) High & Low Reverse Clutch Solenoid Valve Function
P1780  SHIFT SIG FNCTN Shift Change Signal
P1805  BRAKE SW/CIRCUIT Brake Switch
P2122  APP SEN 1/CIRC Accelerator Pedal Position Sensor/Circuit
P2123  APP SEN 1/CIRC Accelerator Pedal Position Sensor/Circuit
P2127  APP SEN 2/CIRC Accelerator Pedal Position Sensor/Circuit
P2128  APP SEN 2/CIRC Accelerator Pedal Position Sensor/Circuit
P2135  TP SENSOR Throttle Sensor
P2138  APP SENSOR Accelerator Pedal Position Sensor
U1000  CAN COMM CIRCUIT CAN Communication Line
U1001  CAN COMM CIRCUIT CAN Communication Line
(1) See appropriate DIAGNOSIS article in AUTOMATIC TRANSMISSIONS.