AutoZone 1998 Honda Prelude 2.2L MFI VTEC 4cyl | Repair Guides | Diagnostics | Diagnostic Trouble Codes | 1.5l L4 - Auto 2 | AutoZone.com

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    1.5L L4 - Auto 2

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    Trouble Code: P0758



    A/T Shift Solenoid 2 or 'B' Circuit Malfunction

    Possible Causes:



    SS2 or SSB control circuit is open or shorted to ground
     
    SS2or SSB control circuit is shorted to system power (B+)
     
    SS2 or SSB is damaged or has failed (an electrical fault)
     
    PCM has failed
     

    Trouble Code: P0770



    A/T Shift Solenoid 'E' (SL) Malfunction (Mechanical)

    Possible Causes:



    A/T component problems (i.e., in clutch, brake or gears)
     
    SL (shift lockup) is damaged, stuck "open" or stuck "closed"
     
    Transmission valve body is clogged, dirty or stuck
     

    Trouble Code: P0773



    A/T Shift Solenoid 'E' (SL) Circuit Malfunction

    Possible Causes:



    SL control circuit is open or shorted to ground
     
    SL control circuit is shorted to system power (B+)
     
    SL is damaged or has failed (an electrical fault)
     
    PCM has failed
     

    Trouble Code: P1125



    ETCS Throttle Control Motor Circuit Malfunction

    Possible Causes:



    ETCS throttle motor control (+) circuit is open, shorted to ground or to power (B+)
     
    ETCS throttle motor control (-) circuit is open, shorted to ground or to power (B+)
     
    ETCS throttle motor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1127



    ETCS Actuator Power Source Circuit Malfunction

    Possible Causes:



    Battery connections are dirty or loose
     
    ETCS power source circuit is open (check the ETCS fuse)
     
    PCM has failed
     

    Trouble Code: P1128



    ETCS Throttle Control Motor Lock Malfunction

    Possible Causes:



    ETCS throttle motor is damaged or has failed
     
    Throttle body assembly is damaged or stuck
     
    PCM has failed
     

    Trouble Code: P1129



    Electric Throttle Control System (ETCS) Malfunction

    Possible Causes:



    ETCS (system) is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1130



    A/F Sensor-11 (Bank 1 Sensor 1) Circuit Malfunction

    Possible Causes:



    A/FS signal circuit or ground circuit is open (intermittent fault)
     
    A/FS is contaminated, damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1133



    A/F Sensor-11 (Bank 1 Sensor 1) Slow Response

    Possible Causes:



    A/F sensor signal circuit or ground circuit is open
     
    A/F sensor power circuit is open
     
    A/F sensor is contaminated, damaged or has failed
     
    Intake air leaks, exhaust manifold leaks or PCV system leaks
     
    MAF sensor out of calibration (it may be dirty or contaminated)
     
    PCM has failed
     

    Trouble Code: P1135



    A/F Sensor-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

    Possible Causes:



    A/F sensor heater circuit or ground circuit is open
     
    A/F sensor heater power circuit is open
     
    A/F sensor heater is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1150



    A/F Sensor-21 (Bank 2 Sensor 1) Circuit Malfunction

    Possible Causes:



    A/FS signal circuit or ground circuit is open (intermittent fault)
     
    A/FS power circuit is open (an intermittent fault)
     
    A/FS is contaminated, damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1153



    A/F Sensor-21 (Bank 2 Sensor 1) Slow Response

    Possible Causes:



    A/F sensor signal circuit or ground circuit is open
     
    A/F sensor power circuit is open
     
    A/F sensor is contaminated, damaged or has failed
     
    Intake air leaks, exhaust manifold leaks or PCV system leaks
     
    MAF sensor out of calibration (it may be dirty or contaminated)
     

    Trouble Code: P1155



    A/F Sensor-21 (Bank 2 Sensor 1) Heater Circuit Malfunction

    Possible Causes:



    A/F sensor heater circuit or ground circuit is open
     
    A/F sensor heater power circuit is open
     
    A/F sensor heater is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1300



    Igniter No. 1 Circuit Malfunction

    Possible Causes:



    IGT or IGF signal circuit is open or shorted to ground
     
    Igniter is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1305



    Igniter No. 2 Circuit Malfunction

    Possible Causes:



    IGT or IGF2 signal circuit is open between the igniter and PCM
     
    IGT or IGF2 signal circuit is shorted to ground
     
    Igniter is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1310



    Igniter No. 3 Circuit Malfunction

    Possible Causes:



    IGT or IGF3 signal circuit is open between the igniter and PCM
     
    IGT or IGF3 signal circuit is shorted to ground
     
    Igniter is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1315



    Igniter No. 4 Circuit Malfunction

    Possible Causes:



    IGT or IGF4 signal circuit is open between the igniter and PCM
     
    IGT or IGF4 signal circuit is shorted to ground
     
    Igniter is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1335



    Crankshaft Position Sensor Circuit Malfunction

    Possible Causes:



    CKP sensor (+) circuit is open or shorted to ground
     
    CKP sensor (-) circuit is open or shorted to ground
     
    CKP sensor (+), (-) circuit is shorted to VREF or system power
     
    CKP sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1346



    Variable Valve Timing, CMP Sensor Range/Performance

    Possible Causes:



    Worn timing belt (i.e., the belt may be skipping teeth)
     
    PCM has failed
     

    Trouble Code: P1349



    Variable Valve Timing System (Bank 1)

    Possible Causes:



    Oil control valve is damaged or has failed
     
    Valve timing is not correct
     
    PCM has failed
     

    Trouble Code: P1430



    Vacuum Sensor for Absorber & Catalyst System Circuit Malfunction

    Possible Causes:



    Vacuum sensor signal circuit is open or shorted to ground
     
    Vacuum sensor signal circuit is shorted to VREF
     
    Vacuum sensor power (VREF) circuit is open
     
    Vacuum sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1431



    Vacuum Sensor for Absorber & Catalyst Performance

    Possible Causes:



    Vacuum sensor line (vacuum line) is damaged or disconnected
     
    Vacuum sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1436



    Variable Valve Malfunction

    Possible Causes:



    Front exhaust pipe is damaged or leaking
     
    Variable Valve actuator is damaged or has failed
     
    Vacuum line to the Variable Valve actuator is damaged or off
     

    Trouble Code: P1437



    Vacuum Line Malfunction

    Possible Causes:



    Check valve is clogged, damaged or has failed
     
    Vacuum sensor line (vacuum line) is damaged or disconnected
     
    Vacuum sensor is damaged or has failed
     
    VSV for the HC Absorber and Catalyst System has failed
     

    Trouble Code: P1455



    Vapor Reducing Fuel Tank Small Leak Detected

    Possible Causes:



    Fuel system component problems
     
    HO2S is contaminated, damaged or has failed
     
    Hose and/or pipe is damaged or has failed
     
    Ignition system component problems
     
    Mass airflow meter is damaged or has failed
     
    VVT System is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1500



    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+)
     
    Starter has failed
     
    PCM has failed
     

    Trouble Code: P1520



    Stop Light Switch Circuit Malfunction

    Possible Causes:



    Stop light switch is shorted to ground
     
    Stop light switch is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1525



    Resolver Circuit Malfunction

    Possible Causes:



    HV ECU SPDO circuit is open or shorted to ground
     
    HV ECU is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1600



    PCM Battery Backup Circuit Malfunction

    Possible Causes:



    Battery backup circuit is open (check EFI fuse and fuse link)
     
    Battery terminals are corroded or loose
     
    PCM has failed
     

    Trouble Code: P1633



    ECM ETCS Circuit Malfunction

    Possible Causes:



    ETCS signal circuit to the PCM is open
     
    ETCS signal circuit to the PCM is shorted to ground or power
     
    ECU ETCU has failed or the PCM has failed
     
    TSB TC002-03 (6/03) contains information related to this code
     

    Trouble Code: P1636



    HV ECU Malfunction

    Possible Causes:



    HV ECU signal (+) or (-) circuit to PCM is open
     
    HV ECU signal (+) or (-) circuit to PCM is shorted to ground
     
    HV ECU has failed or the PCM has failed
     
    TSB TC002-03 (6/03) contains information related to this code
     

    Trouble Code: P1637



    EGSTP Signal Malfunction

    Possible Causes:



    EGSTP signal circuit to PCM is open
     
    EGSTP signal circuit to PCM is shorted to ground
     
    EGSTP signal circuit to PCM is shorted to power
     
    HV ECU or the PCM has failed
     

    Trouble Code: P1663



    Oil Control Valve Circuit Malfunction (Bank 2)

    Possible Causes:



    OCV signal (+) circuit is open or shorted to ground
     
    OCV signal (-) circuit is open or shorted to ground
     
    OCV (valve) is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1780



    Park/Neutral Position Switch Circuit Malfunction

    Possible Causes:



    P/N switch is shorted to ground or wiring harness is shorted
     
    P/N switch is out-of-adjustment, damaged or has failed
     
    PCM has failed
     

    Trouble Code: P3190



    Poor Engine Power

    Possible Causes:



    Airflow meter is damaged or has failed
     
    Base engine mechanical problems are present
     
    Camshaft position or crankshaft position sensor is damaged
     
    Intake air leaks or restrictions are present
     
    Fuel pressure is too low or too high
     
    Throttle body is damaged or has failed
     
    Water temperature sensor is damaged or has failed
     
    PCM has failed
     

     
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