AutoZone 2003 Toyota Corolla 1.8L SFI DOHC 4cyl | Repair Guides | Diagnostic Trouble Codes | Diagnostic Trouble Codes | Troublecodes (6 Of 6) | AutoZone.com

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    Honda_Passport_1997-2002

    TroubleCodes (6 of 6)

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    3.2L V6 - Std



    Trouble Code: P1169

    Fuel System Rich During Decel Fuel Cutoff (Bank 2)

    Trouble Code Conditions: No related codes set, ECT sensor signal more than 140ºF, engine running in closed loop, Power Enrichment mode "on" for 3 seconds, and the PCM detected the Bank 2 HO2S-21 signal remained above 600 mv in a Decel Fuel Cutoff period during the Fuel System Test.

    Possible Causes:



    Base engine "mechanical" fault affecting one or more cylinders
     
    EVAP system component has failed or canister fuel saturated
     
    Exhaust leaks before or near where the front HO2S is mounted
     
    Fuel control sensor is out of calibration (i.e., ECT, IAT or MAP)
     
    Fuel delivery system supplying too much fuel during cruise or idle periods (e.g., faulty fuel pump, or faulty pressure regulator)
     
    Fuel injectors (one or more) leaking, pressure regulator leaking
     
    HO2S is contaminated, deteriorated or it has failed
     

    Trouble Code: P1220

    Throttle Position Sensor 2 Circuit Malfunction

    Trouble Code Conditions: Key on or engine running, and the PCM detected the TP Sensor 2 (TP2) circuit was less than 2.5% or over 97.5% of VREF (5v), condition met for 18 counts within 500 test samples over 15.6 ms.

    Possible Causes:



    TP2 sensor signal circuit is open or shorted to ground
     
    TP2 sensor signal circuit is shorted to VREF or system power
     
    TP2 sensor power circuit is open between sensor and the PCM
     
    TP2 sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1221

    Throttle Position Sensor 1-2 Circuit Performance

    Trouble Code Conditions: Key on or engine running, and the PCM detected the TP Sensor 2 (TP2) signal did not correlate with the TP Sensor 1 (TP1) signal.

    Possible Causes:



    Check for excessive deposits in the ETC passage or the spring
     
    Check for excessive deposits in throttle bore and throttle valve
     
    Check for objects blocking the DC motor or throttle bore
     
    ETC DC motor circuit(s) has high resistance
     
    TP2 sensor signal circuit has high resistance
     

    Trouble Code: P1271

    Throttle Position Sensor 1-2 Correlation Error

    Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP1 and ASP2 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.

    Possible Causes:



    Check for excessive deposits in the ETC passage or the spring
     
    Check for excessive deposits in throttle bore and throttle valve
     
    Check for objects blocking the DC motor or throttle bore
     
    ETC DC motor circuit(s) has high resistance
     
    TP2 sensor signal circuit has high resistance
     
    TSB 01-047 (8/14/01) contains a repair procedure for this code
     

    Trouble Code: P1272

    Acceleration Position Sensor 2-3 Correlation Error

    Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP2 and ASP3 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.

    Possible Causes:



    Check for excessive deposits in the ETC passage or the spring
     
    Check for excessive deposits in throttle bore and throttle valve
     
    Check for objects blocking the DC motor or throttle bore
     
    ETC DC motor circuit(s) has high resistance
     
    TP2 sensor signal circuit has high resistance
     

    Trouble Code: P1273

    Acceleration Position Sensor 1-3 Correlation Error

    Trouble Code Conditions: Key on or engine running, and the PCM detected the difference in the angle of the accelerator pedal for ASP1 and ASP3 was less than 4.5% for 50 counts within 50 test samples over a 15.6 time period.

    Possible Causes:



    Check for excessive deposits in the ETC passage or the spring
     
    Check for excessive deposits in throttle bore and throttle valve
     
    Check for objects blocking the DC motor or throttle bore
     
    ETC DC motor circuit(s) has high resistance
     
    TP2 sensor signal circuit has high resistance
     
    TSB 01-047 (8/14/01) contains a repair procedure for this code
     

    Trouble Code: P1275

    Acceleration Position Sensor 1 Circuit Malfunction

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 1 (APS1) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.

    Possible Causes:



    APS1 sensor signal circuit is open or shorted to ground
     
    APS1 sensor signal circuit is shorted to VREF or system power
     
    APS1 sensor power circuit is open between sensor and PCM
     
    APS1 sensor is damaged or has failed
     
    PCM has failed
     
    TSB 01-047 (8/14/01) contains a repair procedure for this code
     

    Trouble Code: P1280

    Acceleration Position Sensor 2 Circuit Malfunction

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 2 (APS2) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.

    Possible Causes:



    APS2 sensor signal circuit is open or shorted to ground
     
    APS2 sensor signal circuit is shorted to VREF or system power
     
    APS2 sensor power circuit is open between sensor and PCM
     
    APS2 sensor is damaged or has failed
     
    PCM has failed
     
    TSB 01-047 (8/14/01) contains a repair procedure for this code
     

    Trouble Code: P1285

    Acceleration Position Sensor 3 Circuit Malfunction

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Acceleration Position Sensor 3 (APS3) circuit was less than 2.5% or over 97.5% of VREF (5v) for 12 counts within 500 test samples over 15.6 ms.

    Possible Causes:



    APS3 sensor signal circuit is open or shorted to ground
     
    APS3 sensor signal circuit is shorted to VREF or system power
     
    APS3 sensor power circuit is open between sensor and PCM
     
    APS3 sensor is damaged or has failed
     
    PCM has failed
     
    TSB 01-047 (8/14/01) contains a repair procedure for this code
     

    Trouble Code: P1290

    Electronic Throttle Control Forced Idle Mode

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Forced Idle Mode.

    Possible Causes:



    ETC module has detected a problem in the system
     
    Forced Idle Mode is "active"
     
    ETC module is damaged or has failed
     

    Trouble Code: P1295

    Electronic Throttle Control Power Management Mode

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Power Management Mode and is operating under "failsafe" mode conditions.

    Possible Causes:



    ETC module has detected a problem in the system
     
    Power Management Mode is "active"
     
    ETC module is damaged or has failed
     

    Trouble Code: P1299

    Electronic Throttle Control Forced Engine Shutdown Mode

    Trouble Code Conditions: Key on or engine running, and the PCM detected the Electronic Throttle Control (ETC) system had entered Forced Engine Shutdown Mode and is operating under "failsafe" mode conditions.

    Possible Causes:



    ETC module has detected a problem in the system
     
    ETC module is damaged or has failed
     

    Trouble Code: P1310

    ION Sensing Module Diagnosis

    Trouble Code Conditions: No CKP or System Voltage codes set, engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected "missing" Combustion Quality (CQ) pulses, multiple CQ pulses or CQ pulsewidth calculation errors in the CQ quality test.

    Possible Causes:



    Secondary Line 1 circuit is open or shorted to ground
     
    ION sensing module is damaged or has failed
     

    Trouble Code: P1311

    ION Sensing Module Secondary Line 1 Circuit Malfunction

    Trouble Code Conditions: Engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected an unexpected voltage condition on the Secondary Line 1 circuit to the ION Module.

    Possible Causes:



    Secondary Line 1 circuit is open or shorted to ground
     
    Secondary Line 1 circuit is shorted to system power (B+)
     
    ION sensing module is damaged or has failed
     

    Trouble Code: P1312

    ION Sensing Module Secondary Line 2 Circuit Malfunction

    Trouble Code Conditions: Engine started, engine speed from 650-6500 rpm, system voltage from 10-16v, MAF sensor signal from 26-100 g/sec, fuel level indicating more than 10%, and the PCM detected an unexpected voltage condition on the Secondary Line 2 circuit to the ION Module.

    Possible Causes:



    Secondary Line 2 circuit is open or shorted to ground
     
    Secondary Line 2 circuit is shorted to system power (B+)
     
    ION sensing module is damaged or has failed
     

    Trouble Code: P1326

    ION Sensing Module Combustion Quality

    Trouble Code Conditions: No CKP or CMP Sensor codes set, engine started, system voltage from 10-16v, and the PCM detected an unexpected voltage condition on the Combustion Quality (CQ) line circuit, faults in the ION Module or one or more faults in the analog input signals to the PCM.

    Possible Causes:



    CQ line circuit is open or shorted to ground
     
    One or more analog inputs to the PCM has failed or is missing
     
    ION Sensing Module is damaged or has failed
     

    Trouble Code: P1340

    ION Sensing Module Cylinder ID Malfunction

    Trouble Code Conditions: No ECT, Fuel Trim, Injector, Misfire or System Voltage codes set, engine started, system voltage from 10-16v, and the PCM detected that the "cylinder synchronization" routine had not been completed after a predetermined number of events occurred after startup.

    Possible Causes:



    Knock sensor and Combustion Line connectors are swapped
     
    One or more spark plugs (or boots) are shorted to ground
     
    ION Sensing Module is damaged or has failed
     
    PCM related hardware is damaged or has failed
     

    Trouble Code: P1391

    Acceleration 'G' Sensor Range/Performance

    Trouble Code Conditions: Engine started, engine running, vehicle speed indicating (0) mph, and the PCM detected the G-Sensor signal was more than 2.5v, or it was less than 1.5v for 1 minute, or with vehicle speed at 30-80 mph, the G-Sensor signal indicated a change of 0.0002v each 10 ms. Note: For additional help with this code, view the Failure Records.

    Possible Causes:



    'G' sensor signal circuit is shorted to ground (intermittent fault)
     
    'G' sensor VREF circuit is open or shorted to ground (this circuit is also connected to the MAP sensor - check the MAP sensor)
     
    'G' sensor ground circuit is open (an intermittent fault)
     
    'G' sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1392

    Acceleration 'G' Sensor Circuit Low Input

    Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated less than 0.5v for 12.5 seconds over a 25 second period of time during the CCM test.

    Possible Causes:



    'G' sensor signal circuit is shorted to ground
     
    'G' sensor VREF circuit is open or shorted to ground (this circuit is also connected to the MAP sensor - check the MAP sensor)
     
    'G' sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1393

    Acceleration 'G' Sensor Circuit High Input

    Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated more than 4.5v for 12.5 seconds over a 25 second period of time during the CCM test.

    Possible Causes:



    'G' sensor signal circuit is open between the sensor and PCM
     
    'G' sensor ground circuit is open between sensor and ground
     
    'G' sensor is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1394

    Acceleration 'G' Sensor Intermittent High Input

    Trouble Code Conditions: Engine started, engine running, and the PCM detected the 'G' Sensor signal indicated an intermittent high signal (4.8v) for 12.5 seconds over a 25 second time period. This sensor is used to sense vertical acceleration due to road vibration during Misfire diagnostics.

    Possible Causes:



    'G' sensor signal circuit is open (an intermittent fault)
     
    'G' sensor ground circuit is open (an intermittent fault)
     
    'G' sensor is damaged or has failed (an intermittent fault)
     
    PCM has failed
     

    Trouble Code: P1404

    EGR Valve Stuck Closed Malfunction

    Trouble Code Conditions: Engine started, engine running, system voltage from 11-16v, ECT sensor from 176-248, IAT sensor less than 212ºF, Desired EGR valve position is 0%, and the PCM detected the difference between the Actual and Desired EGR pintle position was over 30% for 5 seconds, test must fail three times in one trip to set this code.

    Possible Causes:



    EGR valve sticking or binding (check for deposits on the valve)
     
    EGR valve is damaged or has failed (if the valve shows signs of excessive heat, check the converter and pipes for a restriction)
     
    PCM has failed
     

    Trouble Code: P1406

    EGR Valve Pintle Position Sensor Circuit Malfunction

    Trouble Code Conditions: Engine started, system voltage over 12v, engine running with the EGR valve commanded to 0%, and the PCM detected the Actual EGR position was 0.20v more or less than the EGR closed valve position for 5 seconds; or with the EGR valve commanded to more than 0%, the PCM detected the Actual EGR position was more than 15% greater than, or 15% less than the Desired EGR position for 5 seconds; or the PCM detected the Actual EGR position was less than 0.10v for over 5 seconds at any time during the CCM test.

    Possible Causes:



    EGR position sensor signal circuit is open (intermittent fault)
     
    EGR valve sticking or binding (check for moisture or deposits on the EGR valve or on the valve seat - the valve may lock up)
     
    EGR valve is damaged or has failed (if the valve shows signs of excessive heat, check the converter and pipes for a restriction)
     
    PCM has failed
     

    Trouble Code: P1441

    EVAP Vacuum Switch Circuit High Input

    Trouble Code Conditions: No IAT, MAP or TP sensor codes set, system voltage at 11-16v, ECT and IAT sensor signals more than 41ºF, startup ECT sensor signal less than 122ºF, key on (prior to engine cranking), and the PCM detected the EVAP Purge Switch indicated 12v (open circuit) at least 4 out of the last 8 times the ignition switch was turned "on".

    Possible Causes:



    Vacuum switch signal circuit is open between switch and PCM
     
    Vacuum switch ground circuit open between switch and ground
     
    Vacuum switch is damaged or has failed
     
    PCM has failed
     

    Trouble Code: P1508

    Idle Air Control System Low RPM

    Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm below the Target idle speed during the CCM test.

    Possible Causes:



    Air inlet dirty, restricted or the IAC valve is stuck partially closed
     
    IAC valve is damaged or has failed
     
    The throttle plate is carbon fouled (it may need to be cleaned)
     
    PCM has failed
     

    Trouble Code: P1509

    Idle Air Control System High RPM

    Trouble Code Conditions: Engine running at idle speed while in closed loop, and the PCM detected the Actual idle speed was more than 100 rpm above the Target idle speed during the CCM test.

    Possible Causes:



    Air inlet dirty, restricted or the IAC valve is stuck partially closed
     
    IAC valve is damaged or has failed
     
    The throttle plate is carbon fouled (it may need to be cleaned)
     
    PCM has failed
     

    Trouble Code: P1618

    Serial Peripheral Interface Communication

    Trouble Code Conditions: Key on for 2 seconds, system voltage over 9v, and the PCM detected an internal program fault (the check sum of the data communications error) for 3 out of 6 seconds with no TCM resets during the test period of 2 seconds. Note: For additional help with this code, view the Failure Records.

    Possible Causes:



    Check the PCM calibration to verify it is the latest calibration
     
    Recalibrate the PCM as required
     
    PCM may need to be replaced and reprogrammed
     

    Trouble Code: P1635

    5-Volt Reference Voltage 'A' Circuit Malfunction

    Trouble Code Conditions: Engine started, engine running, system voltage more than 6.3v, and the PCM detected the 5v VREF 'A' was less than 4.88v or more than 5.12v for 5 seconds within a 10 second sample during the CCM test.

    Possible Causes:



    VREF circuit is open (an internal fault inside the PCM)
     
    VREF circuit is shorted to ground (an internal fault in the PCM)
     
    VREF circuit shorted to ground between a sensor and the PCM
     
    PCM has failed
     

    Trouble Code: P1639

    5-Volt Reference Voltage 'B' Circuit Malfunction

    Trouble Code Conditions: Engine started, engine running, system voltage more than 6.3v, and the PCM detected the 5v VREF 'B' was less than 4.88v or more than 5.12v for 5 seconds within a 10 second sample during the CCM test.

    Possible Causes:



    VREF circuit is open (an internal fault inside the PCM)
     
    VREF circuit is shorted to ground (an internal fault in the PCM)
     
    VREF circuit shorted to ground between a sensor and the PCM
     
    PCM has failed
     

    Trouble Code: P1640

    Output Driver Module Circuit Malfunction

    Trouble Code Conditions: DTC P1618 not set, engine started, engine running, system voltage over 13.2v for 4 seconds, and the PCM detected a "high" voltage condition on the Output Driver Module (ODM) circuit with the device "on", or a "low" voltage condition on the ODM circuit with the device "off", condition met for 1 second during the CCM Rationality test. Note: For additional help with this code, view the Failure Records.

    Possible Causes:



    One or more output device driver circuits connected to ODM has an open circuit condition
     
    One or more output device driver circuits connected to ODM has a short-to-voltage condition
     
    Check for an open power circuit to the related output devices
     
    Disconnect the A/C clutch relay and Purge solenoid to find fault
     

    Trouble Code: P1650

    Output Driver Module Circuit Malfunction

    Trouble Code Conditions: DTC P1618 not set, engine started, engine running, system voltage over 13.2v for 4 seconds, and the PCM detected the voltage on the Output Driver Module (ODM) circuit did not indicate less than 1.0 volt with the device commanded "on" for 0.5 seconds in the CCM test. Note: For additional help with this code, view the Failure Records.

    Possible Causes:



    One or more output device driver circuits connected to ODM has an open circuit condition or has a short-to-voltage condition
     
    Check for an open power circuit to the related output devices
     
    Disconnect the A/C clutch relay and Purge solenoid to find fault
     

     
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