Infiniti Car 1998-05

3.0L V6 - Std 2

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Trouble Code: P0305



Cylinder 5 Misfire Detected:

Possible Causes:



Base engine mechanical problem that affects only Cylinder 5
 
EGR valve stuck open, or EVAP purge system has failed
 
Fuel delivery component fault that affects only Cylinder 5 (e.g., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (Coil or Plug) that affects only Cylinder 5
 

Trouble Code: P0306



Cylinder 6 Misfire Detected:

Possible Causes:



Base engine mechanical problem that affects only Cylinder 6
 
EGR valve stuck open, or EVAP purge system has failed
 
Fuel delivery component fault that affects only Cylinder 6 (e.g., a contaminated, dirty or sticking fuel injector)
 
Ignition system fault (Coil or Plug) that affects only Cylinder 6
 

Trouble Code: P0325



Knock Sensor Circuit Malfunction (Bank 1):

Possible Causes:



Knock sensor signal circuit is open or shorted to ground
 
Knock sensor signal circuit is shorted to VREF or system power
 
Knock sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0335



Crankshaft Position Sensor Circuit Malfunction:

Possible Causes:



CKP sensor signal circuit is open or shorted to ground
 
CKP sensor signal is shorted to VREF or system power
 
CKP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction:

Possible Causes:



CMP sensor signal circuit is open or shorted to ground
 
CMP sensor signal is shorted to VREF or system power
 
CMP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0400



EGR System Recirculation Flow:

Possible Causes:



EGR gas temperature sensor is damaged or has failed
 
EGR valve is stuck partially open or closed
 
Dual EGR/EVAP solenoid is damaged or has failed
 
Exhaust system is damaged or has collapsed
 

Trouble Code: P0402



EGRC-BPT Valve Function

Possible Causes:



EGRC-BPT solenoid control circuit is open or shorted to ground
 
EGRC-BPT valve vacuum hose is clogged or disconnected
 
Orifice missing in vacuum hose between EGRC-BPT valve and the EGRC solenoid valve
 
Exhaust system is damaged or has collapsed
 

Trouble Code: P0403



EGR Volume Control Valve Circuit Malfunction:

Possible Causes:



EGR volume control valve circuit open or shorted to ground
 
EGR volume control valve circuit shorted to system power (B+)
 
EGR volume control valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0420



Catalyst Efficiency Below Normal (Bank 1):

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Continuous engine misfire conditions, or low ignition coil output
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Rear HO2S is loose in the mounting hole (check it for a leak)
 

Trouble Code: P0430



Catalyst Efficiency Below Normal (Bank 2):

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is contaminated, damaged or has failed
 
Continuous engine misfire conditions, or low ignition coil output
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Rear HO2S is loose in the mounting hole (check it for a leak)
 

Trouble Code: P0440



EVAP System Small Leak (0.040") Detected:

Possible Causes:



EVAP purge solenoid is damaged or has failed
 
EVAP emission canister clogged or restricted
 
Fuel tank cap loose, damaged or missing, or vacuum line is off
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P0443



EVAP Canister Purge Solenoid Circuit Malfunction:

Possible Causes:



Purge solenoid connector is damaged/loose (intermittent fault)
 
Purge solenoid control circuit open, shorted to ground or power
 
Purge solenoid is damaged or has failed
 
PCM has failed
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P0450



EVAP Pressure Sensor Circuit Malfunction:

Possible Causes:



EVAP pressure sensor circuit is open, shorted to ground or B+
 
EVAP pressure sensor is damaged or has failed
 
PCM is damaged
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P0455



EVAP System Gross Leak (0.080") Detected:

Possible Causes:



EVAP control system pressure sensor is damaged or has failed
 
EVAP purge solenoid or canister vacuum line loose or off
 
EVAP purge solenoid is damaged or has failed
 
EVAP emission canister is dirty, restricted or full of water
 
EVAP canister vent control valve is damaged or has failed
 
Fuel tank cap loose, missing or it is the wrong part number
 
Fuel tank temperature sensor is damaged or has failed
 
Fuel tank vacuum relief valve is damaged or has failed
 
Large leak in the EVAP canister or in the fuel tank area
 
ORVR system is damaged or has a large leak in a component
 
Refueling control valve is damaged or has failed
 
Vacuum hose leaking between intake manifold and Purge valve
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P0456



EVAP System Very Small Leak (0.020") Detected:

Possible Causes:



EVAP control system pressure sensor is damaged or has failed
 
EVAP purge solenoid is damaged or has failed
 
EVAP canister vent control valve is damaged or has failed
 
Fuel tank cap not tightened properly or the wrong part number
 
Fuel tank temperature sensor is damaged or has failed
 
Fuel tank vacuum relief valve is damaged or has failed
 
Very small leak in the EVAP canister or in the fuel tank area
 
ORVR system is damaged or has a small leak in a component
 
Refueling control valve is damaged or has failed
 
TSB 00-046 (7/00) contains information related to this code
 

Trouble Code: P0460



Fuel Level Sensor Slosh Or Noise Detected:

Possible Causes:



Fuel level sensor connector damaged or loose (disconnected)
 
Fuel level sensor signal open or shorted to ground (intermittent)
 
Fuel level sensor is damaged or has failed (intermittent fault)
 

Trouble Code: P0461



Fuel Level Sensor Range/Performance:

Possible Causes:



Fuel level sensor signal open or shorted to ground
 
Fuel level sensor is damaged (stuck) or has failed
 
PCM has failed
 

Trouble Code: P0463



Fuel Level Sensor Circuit High Input:

Possible Causes:



Fuel level sensor connector is damaged or loose (intermittent)
 
Fuel level sensor signal shorted to ground
 
Fuel level sensor is damaged or has failed
 

Trouble Code: P0464



Fuel Level Sensor Circuit Malfunction:

Possible Causes:



Fuel level sensor connector is damaged or loose (intermittent)
 
Fuel level sensor signal circuit is open or shorted to ground
 
Fuel level sensor signal circuit shorted to VREF or power (B+)
 
Fuel level sensor is damaged or has failed
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction:

Possible Causes:



ABS/TCS control unit is damaged or has failed
 
Combination meter is damaged or has failed
 
VSS signal circuit is open, shorted to ground or shorted to B+
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0505



Idle Air Control, Auxiliary Air Control Valve:

Possible Causes:



IACV-AAC valve control circuit is open or shorted to ground
 
IACV-AAC valve control circuit is shorted to system power (B+)
 
IACV-AAC valve is damaged or has failed
 
PCM is damaged or has failed
 

Trouble Code: P0510



Closed Throttle Position Switch Circuit Malfunction:

Possible Causes:



Closed throttle position switch connector is damaged or loose
 
Closed throttle position switch signal circuit is open or grounded
 
Closed throttle position switch signal circuit is shorted to power
 
Closed throttle position switch or TP sensor is damaged/failed
 

Trouble Code: P0605



PCM Internal Fault Detected:

Possible Causes:



Clear the codes and retest for DTC P0605. If the same code resets, substitute a known good PCM and retest. If the code does not reset, the original PCM has failed.
 

Trouble Code: P1105



MAP/BARO Switch Solenoid Circuit Malfunction:

Possible Causes:



Absolute pressure sensor is damaged or out of calibration
 
MAP/BARO switch solenoid control circuit is open or grounded
 
MAP/BARO switch solenoid control circuit is shorted to power
 
MAP/BARO switch solenoid is damaged or has failed
 
MAP/BARO switch solenoid vacuum hoses loose or restricted
 
PCM has failed
 

Trouble Code: P1126



Thermostat Malfunction (Stuck Open):

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
Inspect for low coolant level or an incorrect coolant mixture
 

Trouble Code: P1130



Swirl Control Solenoid Valve Performance:

Possible Causes:



Swirl Control valve control circuit is open or shorted to ground
 
Swirl Control valve is damaged or has failed
 
Swirl Control valve vacuum hoses are loose, restricted or dirty
 

Trouble Code: P1137



Swirl Control Valve Control Position Sensor Circuit Malfunction:

Possible Causes:



Swirl Control valve control position sensor open or shorted
 
Swirl Control valve control position sensor is damaged
 
Swirl Control valve control position sensor has failed
 
PCM has failed
 

Trouble Code: P1138



Swirl Control Valve Control Position Sensor Performance:

Possible Causes:



Swirl Control valve control position sensor is damaged
 
Swirl Control valve control position sensor has failed
 
PCM has failed
 

Trouble Code: P1148



Closed Loop Malfunction Detected (Bank 1):

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S is damaged, contaminated or has failed
 
HO2S heater is damaged or has failed
 

Trouble Code: P1165



Swirl Control Valve Control Vacuum Check Switch:

Possible Causes:



SCV vacuum hoses are switched or disconnected
 
SCV control vacuum switch circuit is opened or shorted
 
SCV control vacuum switch is damaged or has failed
 
SCV solenoid is damaged or has failed
 

Trouble Code: P1168



Closed Loop Malfunction Detected (Bank 2):

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S is damaged, contaminated or has failed
 
HO2S heater is damaged or has failed
 

Trouble Code: P1210



Traction Control System Signal Missing:

Possible Causes:



Traction Control communication circuit is open or shorted
 
Throttle Actuator Control (TAC) module has failed
 

Trouble Code: P1211



VDC/TCS/ABS Control Unit Malfunction:

Possible Causes:



Traction Control System (TCS) related parts have failed
 
VDCTCS/ABS controller is damaged or has failed
 

Trouble Code: P1212



VDC/TCS/ABS Communication Line Malfunction:

Possible Causes:



VDCTCS/ABS communication line is open or shorted to ground
 
VDCTCS/ABS controller has failed
 
System voltage is too low (a severely discharged battery)
 

Trouble Code: P1217



Engine Over-Temperature Condition:

Possible Causes:



Check cooling system components (i.e., hoses, cap, coolant)
 
Check the thermostat operation (it may be stuck partly closed)
 
Engine cooling fan circuit(s) open or shorted to ground
 
Engine cooling fan is damaged or has failed
 

Trouble Code: P1320



Ignition Control Signal Circuit Malfunction:

Possible Causes:



Ignition coil primary circuit is open or shorted
 
Ignition coil condenser is shorted
 
CKP sensor signal is erratic, missing or the sensor has failed
 
CMP sensor signal is erratic, missing or the sensor has failed
 
TSB 01-052 (9/01) contains information related to this code
 

Trouble Code: P1335



Crankshaft Position Reference Sensor Circuit Malfunction:

Possible Causes:



CKP sensor connector is damaged, loose or shorted
 
CKP reference signal circuit is open or shorted to ground
 
CKP reference sensor is damaged or has failed
 
Starter motor or starter motor circuit is damaged (not working)
 

Trouble Code: P1336



Crankshaft Position Sensor Circuit Malfunction:

Possible Causes:



CKP sensor connector is damaged, loose or shorted
 
CKP POS signal circuit is open or shorted to ground
 
Crankshaft position (POS) sensor is damaged or has failed
 
Engine flywheel or drive plate gear tooth may be chipped or damaged (causing erratic CKP signals - check with Lab Scope)
 

Trouble Code: P1400



EGR Control Solenoid Circuit Malfunction:

Possible Causes:



EGRC solenoid connector is damaged, open or shorted
 
EGRC solenoid control circuit is open or shorted to ground
 
EGRC solenoid control circuit is shorted to system power (B+)
 
EGRC solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P1401



EGR Temperature Sensor Circuit Malfunction:

Possible Causes:



EGR temperature sensor connector is damaged or shorted
 
EGR temperature sensor signal circuit open/shorted to ground
 
EGR temperature sensor signal circuit shorted to VREF
 
EGR temperature sensor is damaged or has failed
 

 
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