Nissan Car 350Z & Maxima 1999-06

3.5L V6 VIN A Std 2

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Trouble Code: P0301



Cylinder 1 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 1
 
Fuel delivery component fault that affects only Cylinder 1 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 1
 

Trouble Code: P0302



Cylinder 2 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 2
 
Fuel delivery component fault that affects only Cylinder 2 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 2
 

Trouble Code: P0303



Cylinder 3 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 3
 
Fuel delivery component fault that affects only Cylinder 3 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 3
 

Trouble Code: P0304



Cylinder 4 Misfire Detected

Possible Causes:



Air leak in the intake manifold, or in the EGR or PCV system
 
Base engine mechanical fault that affects only Cylinder 4
 
Fuel delivery component fault that affects only Cylinder 4 (i.e., a contaminated, dirty or sticking fuel injector)
 
Ignition system problem (coil or plug) that affects Cylinder 4
 

Trouble Code: P0327



Knock Sensor Circuit Low Input (Bank 1)

Possible Causes:



Knock sensor signal circuit is shorted to ground
 
Knock sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0328



Knock Sensor Circuit High Input (Bank 1)

Possible Causes:



Knock sensor signal circuit is open
 
Knock sensor signal circuit is shorted to VREF or system power
 
Knock sensor is damaged or 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: P0420



Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged, contaminated or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 

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 damaged, contaminated or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S and/or the rear HO2S is loose in the mounting hole
 
Front HO2S older (aged) than the rear HO2S (HO2S is lazy)
 

Trouble Code: P0441



EVAP System Incorrect Purge Flow Detected

Possible Causes:



EVAP canister purge volume control solenoid is stuck closed
 
EVAP canister purge volume control solenoid circuit is shorted
 
EVAP control system pressure sensor is damaged or has failed
 
EVAP emission canister or rubber tube is cracked or restricted
 
EVAP purge port is blocked or restricted
 
EVAP canister vent control valve is damaged or has failed
 

Trouble Code: P0444



EVAP Purge Volume Control Solenoid Circuit Low Input

Possible Causes:



Canister purge volume control solenoid connector is damaged
 
Canister purge volume control solenoid circuit is shorted
 
Canister purge volume control solenoid is damaged or failed
 
PCM is damaged or has failed
 

Trouble Code: P0445



EVAP Purge Volume Control Solenoid Circuit High Input

Possible Causes:



Canister purge volume control solenoid connector is damaged
 
Canister purge volume control solenoid circuit is open
 
Canister purge volume control solenoid is damaged or failed
 
PCM is damaged or has failed
 

Trouble Code: P0447



EVAP Canister Vent Control Solenoid Circuit Malfunction

Possible Causes:



Canister vent control solenoid connector is damaged or loose
 
Canister vent control solenoid circuit is open (high voltage)
 
Canister vent control solenoid is damaged or failed
 
PCM is damaged or has failed
 

Trouble Code: P0452



EVAP System Pressure Sensor Circuit Low Input

Possible Causes:



EVAP pressure sensor circuit connector is damaged (loose)
 
EVAP pressure sensor circuit is shorted to ground
 
EVAP pressure sensor is damaged or has failed
 
PCM is damaged
 

Trouble Code: P0453



EVAP System Pressure Sensor Circuit High Input

Possible Causes:



EVAP pressure sensor circuit connector is damaged (shorted)
 
EVAP pressure sensor circuit is open or shorted to VREF
 
EVAP pressure sensor is damaged or has failed
 
PCM is damaged
 

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
 

Trouble Code: P0456



EVAP System Very Small Leak (0.020") Detected

Possible Causes:



Canister Purge valve is damaged, leaking or has failed
 
Charcoal canister is loaded with fuel or moisture
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel tank overfill check valve is cracked or is damaged
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
PCM has failed
 

Trouble Code: P0460



Fuel Level Sensor Slosh

Possible Causes:



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

Trouble Code: P0462



Fuel Level Sensor Circuit Low Input

Possible Causes:



Fuel level sensor connector is damaged or loose (intermittent)
 
Fuel level sensor signal is shorted to ground
 
Fuel level sensor is damaged (stuck) or 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: 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: P0506



Idle Speed Control System RPM Lower Than Expected

Possible Causes:



Air inlet duct is collapsed, loose or air filter element is clogged
 
Base engine problem (i.e., a compression or misfire problem)
 
Idle air inlet passage or throttle bore is dirty or full of deposits
 
Electronic throttle control actuator connector is open
 
Electronic throttle control actuator circuit is open
 
Electronic throttle control actuator is damaged or has failed
 

Trouble Code: P0507



Idle Speed Control System RPM Higher Than Expected

Possible Causes:



Engine vacuum leaks, PCM valve is leaking or the wrong valve
 
Idle air inlet passage or throttle bore is dirty or full of deposits
 
Electronic throttle control actuator connector is shorted
 
Electronic throttle control actuator circuit is shorted
 
Electronic throttle control actuator is damaged or has failed
 

Trouble Code: P0605



PCM Internal Error

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: P0650



Malfunction Indicator Lamp Circuit Malfunction

Possible Causes:



MIL control circuit is open (high voltage condition)
 
MIL control circuit is shorted to ground (high voltage condition)\
 
PCM is damaged or has failed.
 

Trouble Code: P1065



PCM Backup Circuit Malfunction

Possible Causes:



PCM Backup circuit (to battery) is open or shorted to ground
 
Clear the codes and retest for DTC P1065. 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: P1102



Mass Airflow Sensor Signal Range/Performance

Possible Causes:



MAF sensor connector is damaged (it may be shorted)
 
MAF sensor signal circuit is shorted
 
MAF sensor is damaged or has failed
 
PCM is damaged or has failed
 
TSB 03-035 (7/03) contains information related to this code
 

Trouble Code: P1111



Intake Valve Timing Control Circuit Malfunction

Possible Causes:



Intake valve timing control solenoid circuit is open
 
Intake valve timing control solenoid circuit is shorted to ground
 
Intake valve timing position control solenoid is damaged/failed
 
PCM has failed
 

Trouble Code: P1121



Electronic Throttle Control Actuator Malfunction

Possible Causes:



Electronic throttle control actuator is damaged or has failed
 
Throttle return spring is damaged or has failed
 

Trouble Code: P1122



Electronic Throttle Control Actuator Malfunction

Possible Causes:



Electronic throttle control actuator connector is damaged/loose
 
Electronic throttle control actuator circuit is open or shorted
 
Electronic throttle control actuator is damaged or has failed
 

Trouble Code: P1124



Electronic Throttle Control Actuator Relay High Input

Possible Causes:



ETC Actuator relay is damaged or failed (stuck in "on" position)
 
ETC Actuator relay control circuit is shorted to ground
 
ETC Actuator is damaged or 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
 
Inspect for incorrect coolant mixture
 

Trouble Code: P1128



Electronic Throttle Control Actuator Motor Circuit Malfunction

Possible Causes:



ETC Actuator motor is damaged or has failed
 
ETC Actuator motor circuits are shorted to ground (low voltage)
 

Trouble Code: P1136



Intake Valve Timing Control Circuit Malfunction (Bank 2)

Possible Causes:



Intake valve timing control solenoid circuit is open or shorted
 
Intake valve timing position control solenoid is damaged/failed
 
PCM has failed
 

Trouble Code: P1143



HO2S-11 (Bank 1 Sensor 1) Lean Shift Monitoring (Bank 1)

Possible Causes:



Air leaks in the intake manifold, throttle body or PCV system
 
Fuel pressure is excessively low (lean air fuel)
 
Fuel injectors restricted (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1144



HO2S-11 (Bank 1 Sensor 1) Rich Shift Monitoring (Bank 1)

Possible Causes:



Fuel pressure is excessively high (rich air fuel)
 
Fuel injector is stuck open (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1146



HO2S-12 (Bank 1 Sensor 2) Lean Shift Monitoring (Bank 1)

Possible Causes:



Air leaks in the intake manifold, throttle body or PCV system
 
Fuel pressure is excessively low (lean air fuel)
 
Fuel injectors restricted (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1147



HO2S-12 (Bank 1 Sensor 2) Rich Shift Monitoring (Bank 1)

Possible Causes:



Fuel pressure is excessively high (rich air fuel)
 
Fuel injector sticking open (one or more has a mechanical fault)
 
HO2S assembly is damaged or has failed
 
HO2S heater assembly is damaged or has failed
 

Trouble Code: P1148



Closed Loop Malfunction Detected (Bank 1)

Possible Causes:



A/FS or HO2S signal circuit is open or shorted to ground
 
A/FS or HO2S heater is damaged or has failed
 
A/FS or HO2S is damaged, contaminated or has failed
 
PCM has failed
 

 
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