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    1994 Honda Accord LX 2.2L MFI 4cyl

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    Use Code: NEWYEARS

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    Suzuki Vitara, Grand Vitara, XL7 2000-06

    2.5L V6 VIN 6 Std 2

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    Trouble Code: P0305



    Cylinder 5 Misfire Detected

    Possible Causes:



    Air leak in the intake manifold, or in the EGR or PCM system
     
    Base engine mechanical fault that affects only Cylinder 5
     
    Fuel delivery component fault that affects only Cylinder 5 (i.e., 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:



    Air leak in the intake manifold, or in the EGR or PCM system
     
    Base engine mechanical fault that affects only Cylinder 6
     
    Fuel delivery component fault that affects only Cylinder 6 (i.e., a contaminated, dirty or sticking fuel injector)
     
    Ignition system fault (coil or plug) that affects only Cylinder 6
     

    Trouble Code: P0327



    Knock Sensor Circuit Low Input

    Possible Causes:



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

    Trouble Code: P0328



    Knock Sensor Circuit High Input

    Possible Causes:



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

    Trouble Code: P0335



    Crankshaft Position Sensor Circuit Malfunction

    Possible Causes:



    CKP sensor connector is damaged, open or shorted
     
    CKP sensor positive (+) circuit is open or shorted to ground
     
    CKP sensor negative (-) circuit is open or shorted to ground
     
    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 between sensor and PCM
     
    CMP sensor signal circuit is shorted to ground
     
    CMP sensor power circuit is open (check power from the relay)
     
    CMP sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0400



    EGR System Fault (Too Much Or Too EGR Little Flow)

    Possible Causes:



    EGR stepper motor control circuit(s) open or shorted to ground
     
    EGR stepper motor assembly is damaged or has failed
     
    Exhaust connection to EGR valve is clogged or restricted
     
    Catalytic converter or exhaust system is clogged or restricted
     
    PCM has failed
     

    Trouble Code: P0401



    EGR System Insufficient EGR Flow Detected

    Possible Causes:



    EGR passage is plugged or restricted (clean, then retest code)
     
    EGR valve is plugged or damaged (may need replacement)
     
    MAP sensor is out of calibration or has failed
     
    PCM has failed
     

    Trouble Code: P0402



    EGR System Excessive EGR Flow Detected

    Possible Causes:



    EGR valve is sticking (open) or it is damaged (the valve may need replacement)
     
    MAP sensor is out of calibration or it has failed
     
    PCM has failed
     

    Trouble Code: P0403



    EGR Solenoid Control Circuit Malfunction

    Possible Causes:



    One or more EGR stepper motor circuits is open
     
    One or more EGR stepper motor circuits is shorted to ground
     
    EGR stepper motor power circuit is open (check the J/B fuse)
     
    EGR stepper motor 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 is 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 is older (aged) than the rear HO2S (HO2S is lazy)
     

    Trouble Code: P0441



    EVAP System Flow During Non-Purge Conditions

    Possible Causes:



    Intake passage clogged between canister and intake manifold
     
    EVAP charcoal canister is dirty or severely restricted
     
    EVAP canister purge valve is damaged or the circuit has failed
     
    PCM has failed
     

    Trouble Code: P0449



    EVAP Vent Control Solenoid Circuit Malfunction

    Possible Causes:



    Vent control solenoid connector is open or shorted to ground
     
    Vent control solenoid circuit is open or shorted to ground
     
    Vent control solenoid is damaged or it has failed
     
    PCM has failed
     

    Trouble Code: P0451



    EVAP Pressure Sensor Signal Range/Performance

    Possible Causes:



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

    Trouble Code: P0452



    EVAP Tank Pressure Sensor Circuit Low Input

    Possible Causes:



    Tank pressure sensor connector is damaged or shorted
     
    Tank pressure sensor circuit is shorted to ground
     
    Tank pressure sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0453



    EVAP Tank Pressure Sensor Circuit High Input

    Possible Causes:



    Tank pressure sensor connector is damaged or loose
     
    Tank pressure sensor circuit is open or shorted to VREF
     
    Tank pressure sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0455



    EVAP System Large Leak (0.080") Detected

    Possible Causes:



    Canister vent (CV) solenoid is stuck open
     
    EVAP canister tube, EVAP canister purge outlet tube or EVAP return tube disconnected or cracked, or canister is damaged
     
    EVAP canister purge valve stuck closed, or canister damaged
     
    Fuel filler cap missing, loose (not tightened) or the wrong part
     
    Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
     
    Fuel tank pressure (FTP) sensor has failed (mechanical fault)
     
    Fuel tank control valve is contaminated, damaged or has failed
     

    Trouble Code: P0461



    Fuel Level Sensor Signal Range/Performance

    Possible Causes:



    Fuel tank empty or overfull (fuel sender is stuck mechanically)
     
    Wrong fuel gauge is installed, or instrument panel is damaged
     
    Fuel gauge sender unit is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0463



    Fuel Level Sensor Circuit High Input

    Possible Causes:



    Fuel gauge sender unit is damaged or has failed
     
    Fuel level signal circuit is open between the splice and the I/P
     
    Fuel level meter is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0464



    Fuel Level Sensor Circuit Intermittent

    Possible Causes:



    Combination meter is damaged or has failed
     
    Fuel level signal circuit is open (Yellow, Yellow/Red or Black/Orange wire) between the splice and the I/P connector
     
    Fuel level sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0496



    EVAP System Flow During Non-Purge Conditions

    Possible Causes:



    Canister purge solenoid control circuit (Blue/Black wire) is shorted to ground
     
    Fuel level sensor is damaged or has failed
     
    Fuel pressure control valve is damaged or its circuit is shorted
     
    Fuel pressure sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0500



    Vehicle Speed Sensor Circuit Malfunction

    Possible Causes:



    VSS signal circuit is open or shorted to ground
     
    VSS ground circuit is open
     
    VSS signal circuit from Combo Meter open or shorted to ground
     
    VSS is damaged or has failed (drive gear may be damaged)
     
    PCM has failed
     
    TSB TS4-23 (6/96) contains information related to this code
     

    Trouble Code: P0505



    Idle Speed Control System

    Possible Causes:



    IAC valve control circuit is open or shorted to ground
     
    IAC valve power circuit is open (check power from the relay)
     
    IAC valve ground circuit is open
     
    IAC valve is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P0506



    Idle Speed Control System Lower Than Expected

    Possible Causes:



    IAC valve control circuit is open or shorted to ground
     
    IAC valve power circuit is open (intermittent fault)
     
    IAC valve ground circuit is open (intermittent fault)
     
    Throttle plate is carbon fouled (it may need to be cleaned)
     
    PCM has failed
     

    Trouble Code: P0507



    Idle Speed Control System Higher Than Expected

    Possible Causes:



    IAC valve control circuit is open (intermittent fault)
     
    IAC valve power circuit is open (intermittent fault)
     
    IAC valve ground circuit is open (intermittent fault)
     
    Throttle plate is carbon fouled (it may need to be cleaned)
     
    PCM has failed
     

    Trouble Code: P0601



    PCM Memory Check Sum Error

    Possible Causes:



    Clear the trouble code, and recheck for the same code.
     
    If this trouble code resets, the PCM must be replaced
     

    Trouble Code: P1408



    Manifold Absolute Pressure Sensor Signal Performance

    Possible Causes:



    MDP sensor signal circuit is open or shorted to ground
     
    MDP sensor vacuum source in intake manifold is clogged
     
    MDP sensor is damaged, out-of-calibration or has failed
     
    PCM has failed
     

    Trouble Code: P1410



    Fuel Tank Pressure Control Solenoid Circuit Malfunction

    Possible Causes:



    FTP control solenoid connector is damaged, open or shorted
     
    FTP control solenoid circuit is open or shorted to ground
     
    FTP control solenoid power circuit is open (check the relay)
     
    FTP solenoid is damaged (solenoid resistance is 28-39 ohms)
     
    PCM has failed
     

    Trouble Code: P1450



    Barometric Pressure Sensor Circuit Malfunction

    Possible Causes:



    BARO sensor connector is damaged, open or shorted
     
    BARO sensor signal circuit is open or shorted to ground
     
    BARO sensor signal circuit shorted to VREF or system power
     
    BARO sensor is contaminated, damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1451



    Barometric Pressure Sensor Signal Range/Performance

    Possible Causes:



    BARO sensor connector is damaged, open or shorted
     
    BARO sensor signal circuit is open or shorted to ground
     
    BARO sensor signal circuit shorted to VREF or system power
     
    BARO sensor is contaminated, damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1500



    Engine Starter Signal Circuit Malfunction

    Possible Causes:



    Engine starter signal circuit is open or shorted to ground
     
    Engine starter signal circuit is shorted to system power (B+)
     
    PCM has failed
     

    Trouble Code: P1510



    PCM Backup Power Supply Circuit Malfunction

    Possible Causes:



    Backup power supply circuit is open (check the Dome fuse)
     
    Battery terminal connections may be loose or corroded
     
    PCM has failed
     

     
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