Nissan Frontier, Xterra 1998-05

3.3L V6 - Std 2

Print

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
 
PCM has failed
 

Trouble Code: P0402



EGRC-BPT Valve Function Conditions

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: 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)
 
TSB 01-068B (03/01) contains information related to this code
 

Trouble Code: P0440



EVAP System Small Leak (0.040") Detected

Possible Causes:



Fuel tank cap loose, damaged or missing, or vacuum line is off
 
EVAP purge solenoid is damaged or has failed
 
EVAP emission canister clogged or restricted
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0443



EVAP Canister Purge Solenoid Circuit Malfunction

Possible Causes:



Purge solenoid control circuit open, shorted to ground or power
 
Purge solenoid is shorted to system power (B+)
 
Purge solenoid is damaged or has failed
 
PCM has failed
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0446



EVAP Vent Control Solenoid Circuit Malfunction

Possible Causes:



Vent solenoid circuit open, shorted to ground or to power (B+)
 
Vent control solenoid is damaged or has failed
 
PCM has failed
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0450



EVAP Pressure Sensor Circuit Malfunction

Possible Causes:



EVAP pressure sensor circuit is open or shorted to ground
 
EVAP pressure sensor circuit is shorted to VREF or power (B+)
 
EVAP pressure sensor is damaged or has failed
 
PCM is damaged
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P0455



EVAP System Gross Leak (0.080") Detected

Possible Causes:



Fuel tank cap is loose or damaged, or vacuum line is loose
 
EVAP purge solenoid is damaged or has failed
 
EVAP emission canister clogged or restricted
 
TSB 00-060 (7/00) contains information related to this code
 

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: P0461



Fuel Level Sensor 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: P0464



Fuel Level Sensor Circuit Malfunction

Possible Causes:



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
 
PCM is damaged
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



VSS signal circuit is open or shorted to ground
 
VSS signal circuit is shorted to VREF or system power (B+)
 
VSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0505



Idle Air Control, Auxiliary Air Control Valve Circuit Malfunction

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 signal circuit is open or grounded
 
Closed throttle position switch signal circuit is shorted to power
 
Closed throttle position switch or TP sensor damaged or failed
 
PCM has failed
 

Trouble Code: P1126



Thermostat Malfunction (Stuck Open)

Possible Causes:



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

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
 

Trouble Code: P1168



Closed Loop Malfunction Detected (Bank 2)

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
 

Trouble Code: P1217



Engine Over-Temperature Condition

Possible Causes:



Engine coolant low or an incorrect coolant mixture exists
 
Engine cooling fan circuit(s) open or shorted to ground
 
Engine cooling fan is damaged or has failed
 
Check cooling system components (radiator hose, cap, etc.)
 
Check the thermostat operation (it may be stuck partly closed)
 

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 or missing
 
CMP sensor signal is erratic or missing
 
CKP sensor or CMP sensor is damaged or has failed
 
TSB 01-159 (6/01) contains information related to this code
 

Trouble Code: P1335



Crankshaft Position Reference Sensor Circuit Malfunction

Possible Causes:



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 POS signal circuit is open or shorted to ground
 
Engine flywheel or drive plate gear tooth is chipped or damaged
 
Crankshaft position (POS) sensor is damaged or has failed
 

Trouble Code: P1400



EGR Control Solenoid Circuit Malfunction

Possible Causes:



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

Trouble Code: P1402



EGR System Malfunction Detected (Open)

Possible Causes:



EGR valve seat leaking or EGR valve stuck in open position
 
EGRC solenoid is damaged or has failed
 
EGR temperature sensor is damaged or has failed
 
EGRC-BPT valve is damaged or has failed
 

Trouble Code: P1440



EVAP Canister System Small Leak (0.040) Detected

Possible Causes:



Absolute pressure sensor is damaged or has failed
 
EVAP canister vent valve is damaged or contaminated
 
EVAP system leaks (in canister or related vapor lines)
 
EVAP control system vapor pressure sensor line is blocked
 
Fuel filler cap loose, damaged or incorrect application
 
Fuel tank temperature sensor is damaged or has failed
 
MAP/BARO switch solenoid valve is damaged or has failed
 
MAP/BARO switch solenoid vacuum line is blocked or bent
 

Trouble Code: P1441



EVAP Control System Very Small Leak (0.020") Detected

Possible Causes:



Absolute pressure sensor is damaged or out-of-calibration
 
Blocked or bent EVAP purge line rubber tube
 
Blocked rubber tube to the Control System Pressure Regulator
 
Canister Vent Control valve O-ring is missing or damaged
 
Canister Purge valve is damaged, leaking or has failed
 
Charcoal canister is loaded with fuel or it contains moisture
 
Control System Pressure sensor is damaged or has failed
 
Dirt or debris caught in the Canister Vent Control valve
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel level sensor is damaged or out-of-calibration
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
Incorrect Fuel Tank Vacuum Relief valve
 
Leaks in the EVAP canister or related hoses, or in the fuel tank
 
Leaks present in the system between the intake manifold and the Canister Purge Volume Control solenoid valve
 
Leaks present somewhere in the ORVR system components
 
Problems in the Canister Vent Control solenoid or its circuit
 
Problems related to the water separator valve
 
Refueling Control Valve is damaged, sticking or has failed
 
PCM has failed
 

Trouble Code: P1444



Canister Purge Volume Control Valve Circuit Malfunction

Possible Causes:



EVAP control system pressure sensor is damaged or has failed
 
EVAP purge volume control valve is stuck open
 
EVAP canister vent control valve is damaged or has failed
 
EVAP canister is damaged, or hoses are connected incorrectly
 

Trouble Code: P1446



EVAP Canister Vent Valve Malfunction (Closed)

Possible Causes:



Charcoal canister is saturated with fuel or moisture
 
Control system pressure sensor is damaged or has failed
 
Canister vent control valve is damaged or has failed
 
Canister vent control valve rubber tube is blocked/bent
 
Water separator is damaged or has failed
 
PCM has failed
 

Trouble Code: P1447



EVAP Control System Purge Flow Malfunction

Possible Causes:



EVAP canister purge volume control valve stuck closed
 
EVAP canister purge control valve stuck closed
 
EVAP control pressure sensor is damaged or has failed
 
EVAP canister vent control valve is damaged or has failed
 
EVAP rubber tube is blocked, disconnected or bent
 
EVAP canister purge control solenoid is damaged or has failed
 
MAP/BARO switch solenoid vacuum line is blocked or bent
 
EVAP canister is leaking (it may be cracked)
 
EVAP 1-way valve connected improperly or purge port blocked
 

Trouble Code: P1448



EVAP Canister Vent Control Valve Malfunction (Open)

Possible Causes:



EVAP canister vent control valve is damaged or has failed
 
EVAP control pressure sensor is damaged or has failed
 
EVAP canister vent control valve rubber tube is blocked
 
EVAP water separator has failed or canister is full of water
 
EVAP vacuum cut valve is damaged or has failed
 
TSB 00-060 (7/00) contains information related to this code
 

Trouble Code: P1464



Fuel Level Sensor Circuit High Input

Possible Causes:



Fuel level sensor signal circuit is open
 
Fuel level sensor circuit is shorted to VREF or system power
 
Fuel level sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1490



EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction

Possible Causes:



EVAP vacuum cut valve bypass valve control circuit is open
 
EVAP vacuum cut valve bypass valve control circuit is shorted
 
EVAP vacuum cut valve bypass valve is damaged or has failed
 
PCM is damaged
 

Trouble Code: P1491



EVAP Vacuum Cut Valve/Bypass Circuit

Possible Causes:



EVAP vacuum cut bypass valve is damaged or has failed
 
EVAP vacuum cut valve is damaged or has failed
 
EVAP control system pressure sensor damaged or has failed
 
Vapor hose between fuel tank and cut valve is blocked or bent
 
Vapor hose between canister and vacuum cut valve is plugged
 
EVAP canister is damaged or EVAP purge port at tank is dirty
 
TSB 02-033 (3/02) contains information related to this code
 

Trouble Code: P1492



EVAP Canister Purge Control Solenoid Circuit Malfunction

Possible Causes:



EVAP canister purge control solenoid control circuit is open
 
EVAP canister purge control solenoid control circuit is shorted
 
EVAP canister purge control solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P1493



EVAP Canister Purge Control Solenoid Performance (Open)

Possible Causes:



EVAP canister purge control valve is damaged or has failed
 
EVAP canister purge control solenoid valve is damaged/failed
 
EVAP vacuum hoses are clogged or disconnected
 
EVAP canister vent control valve is damaged or has failed
 
EVAP canister is full of water, or the vapor separator has failed
 
TSB 00-060 (7/00) contains information related to this code
 

 
label.common.footer.alt.autozoneLogo