Question about 2000 Hyundai Accent

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2000 Hyundai Accent

I keep getting code 1402 on my 2000 hyundai and i have no idea what it is

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  • 2 more comments 
  • aramirez1969 Dec 03, 2008

    My hyundai accent automatic 2000, has a code p1401, and i need some to resolve that.



    Can you help me, if you have picture to see the problem.

  • Anonymous Mar 12, 2014

    Where is the vent valve on Hyundai GS accent 2000

  • Anonymous Mar 23, 2014

    Runs rich and does not rev when cold

  • Anonymous Mar 28, 2014

    failed code p0230 and p0342 at inspection

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00-30-001 2000 ACCENT DMTL DIAGNOSIS: DTC CODES P1401, P1402 AND P1403

p1402 - dm-tl air pump motor is shorted or disconnected.

2000 model year accent is equipped with a new enhanced evaporative emission system. this new system is capable of measuring leaks as small as 0.020" diameter. the new system pressurizesthe evaporative emission system with a diagnostic module for tank leakage (dm-tl), while the previous model's system appliedengine vacuum through the purge valve to detect system leaks.

service information
vehicles that have the check engine light illuminated and have dtc p1401, p1402 and p1403 stored in the ecm should have their electrical systems diagnosed related to the appropriate dtc. these codes are not related in any way to an evaporative emission system leak. the conditions that set the diagnostic codes areas follows:
p1401 - dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma).
p1402 - dm-tl air pump motor is shorted or disconnected.
p1403 - dm-tl changeover valve is shorted or disconnected

Posted on Jun 04, 2008

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 04, 2008

    perform the suggested repair

    1. inspect for water in the dmtl by removing the 90° air inlet elbow and looking into the air chamber. if water or corrosion is present, replace the dm-tl p/n 31440-25500; air filterp/n 31453-25500; and pipe assembly p/n 31454-25500if corrosion is in the pipe. see detailed instructions on page3 for air filter replacement.

    1. inspect for underbody coating sprayed into connector m52 at dm-tl. if underbody coating is present on the male or female connector, spray with electrical contact cleaner to remove the undercoating.

    air filter (dm-tl) replacement instructions


    1. disconnect the 90° elbow from the top of the dmtl and insert a clean rag into either the elbow or thedmtl inlet connector.


    disconnect the dmtl electrical connector.



    disconnect the 2 hoses at the front of the canister (caution: silicone hoses tear/puncture easily).



    remove canister assembly and dm-tl as a unit (3 mounting nuts).



    disconnect the 2 hoses from the metal transfer pipes.



    remove the canister, air filter, and metal tube assembly from the canister protector by removing the 3 mounting nuts.



    disconnect the hose at the air filter.



    remove the air filter mounting nut and remove the air filter.



    install a new air filter.



    reassemble in reverse order.

  • Kleanthis Mavropoulos
    Kleanthis Mavropoulos Jun 04, 2008

    repair procedure:

    if a vehicle experiences the above described condition, replace the air filter assembly p/n (31453-25500). replacethe dm-tl and pipe assembly as necessary.







    part name


    part number




    air filter


    31453-25500



    air pipe


    31454-25500



    dm-tl


    31440-25500

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1 Suggested Answer

maklean
  • 1665 Answers

SOURCE: computer codes

p1402 - dm-tl air pump motor is shorted or disconnected.

2000 model year accent is equipped with a new enhanced evaporative emission system. this new system is capable of measuring leaks as small as 0.020" diameter. the new system pressurizesthe evaporative emission system with a diagnostic module for tank leakage (dm-tl), while the previous model's system appliedengine vacuum through the purge valve to detect system leaks.

service information
vehicles that have the check engine light illuminated and have dtc p1401, p1402 and p1403 stored in the ecm should have their electrical systems diagnosed related to the appropriate dtc. these codes are not related in any way to an evaporative emission system leak. the conditions that set the diagnostic codes areas follows:
p1401 - dm-tl air pump motor current draw is higher or lower than expected (normal = 17-36 ma).
p1402 - dm-tl air pump motor is shorted or disconnected.
p1403 - dm-tl changeover valve is shorted or disconnected

perform the suggested repair
1. inspect for water in the dmtl by removing the 90° air inlet elbow and looking into the air chamber. if water or corrosion is present, replace the dm-tl p/n 31440-25500; air filterp/n 31453-25500; and pipe assembly p/n 31454-25500if corrosion is in the pipe. see detailed instructions on page3 for air filter replacement.
2. inspect for underbody coating sprayed into connector m52 at dm-tl. if underbody coating is present on the male or female connector, spray with electrical contact cleaner to remove the undercoating.

air filter (dm-tl) replacement instructions

  1. disconnect the 90° elbow from the top of the dmtl and insert a clean rag into either the elbow or thedmtl inlet connector.
  2. disconnect the dmtl electrical connector.
    1. disconnect the 2 hoses at the front of the canister (caution: silicone hoses tear/puncture easily).
    2. remove canister assembly and dm-tl as a unit (3 mounting nuts).
    3. disconnect the 2 hoses from the metal transfer pipes.
    4. remove the canister, air filter, and metal tube assembly from the canister protector by removing the 3 mounting nuts.
    5. disconnect the hose at the air filter.
    6. remove the air filter mounting nut and remove the air filter.
    7. install a new air filter.
    8. reassemble in reverse order.

Posted on Jun 04, 2008

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