Fix the P1404 Code on a Kia Spectra and where is the DMTL connector? – JustAnswer

15 Sep 2014 | Author: | Comments Off on Fix the P1404 Code on a Kia Spectra and where is the DMTL connector? – JustAnswer
Kia Spectra

Customer Question

Hi there!Here is the and some diagnostic info.


Kia applies an improved leakage module (heated type) in model year of Sephia and Using the heatedDM-TL can completely the humidity influence. So, the leakage is never stopped caused by the (due to dew effects at extreme humidity). The heating element is into pump hosing.

of the heater of DM-TL is checked by malfunction.

The heated DM-TL (Diagnostic Tank Leakage) is used to the evaporative system for leaks. The module consists of an air filter, an element, an electrical driven air a change-over valveand a 0.02 orifice for reference measurement as in the following figure.

Kia Spectra

LEAKAGE PROCEDURE In switched off condition the tank breathes through the the changeover valve and the air filter. For the canister, the purge control is opened and fresh air-flows via air changeover valve and canisterinto the manifold

For a reference current measurement the pump is switched on for a small of time while the changeover purge control valves are In this mode fresh air is through the 0.02 inch orifice and thepumpmotor current is At some unusual operating the pump current may not stabilize.

In case an optional 0.02 or inch leak checks will not be performed (delay to the monitoring event). To prevent a disablement of the leak check due to a module problem, the number of irregular current measurements are and a module error is set as soon as the exceeds a calibrated value. In the monitoring mode the change valve is switched on (the control valve remains

The motor current drops to a load level. Fresh air is now through the canister into the This creates a small at a tight evaporative system leads to a current increase. The leak check ( 0.04 in) is by monitoring the pump motor gradient. Therefore the current is after a calibrated time.

If the difference in the current is above an limit the rough leak haspassed without a fault. If high gradient is not detected (at fuel tank levels), a gradient measurementis performed by a measurement.

If the conditions for a small leak ( 0.02 in) are set, the pump remains on (monitoring mode) its current exceeds the reference or until the motor current is closed to zero (current belowthe reference current). If the current exceeds the reference the system is monitored as tight. In ofstabilizing below, the system is as untaught.

In this case the current is compared against a limit to prevent the detection of a leak fault in case of an fuel filler cap during the leak check. If the motor decreases during one of the checks, the is aborted and above-mentioned counter is

Spectra [SD] 2002 1.8 DOHC

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