MIL ON - DTC P1441 Stored in Self Diagnosis: Overview
Classification:EC00-019a
Reference:
ITB00-045a
Date:
August 30, 2000
2001 QX4; MIL "ON" DTC P1441 (EVAP VERY SMALL LEAK)
STORED IN SELF DIAGNOSIS RESULTS
This amended version of ITB00-045 updates the Service Procedure Section of the bulletin. Please discard all paper copies of ITB00-045.
APPLIED VEHICLE: 2001 QX4 (JR50)
SERVICE INFORMATION
If an applied vehicle has a MIL "0N" with DTC P1441 (EVAP Very Small Leak) stored in Engine Self Diagnosis results, the cause may be the ECM program.
There is an updated ECM program available to address this incident if it should occur. Use the Service Procedure outlined below to correct this condition.
For an introduction to and description of ECM Reprogramming, please refer to ITB00-005.
SERVICE PROCEDURE
The service procedure involves three steps:
^ Isolate the incident.
^ Download the ECM Reprogramming data from ASIST to CONSULT-II.
^ Install the ECM Reprogramming data into the vehicle ECM.
Isolate the incident.
1. Perform Self-Diagnosis using CONSULT-II. Print and attach the Freeze Frame data to the repair order.
2. Using the appropriate Service Manual procedure, perform "DTC Confirmation" (using CONSULT-II). If a leak is determined, use the appropriate Service Manual procedure to repair the vehicle.
3. Regardless of whether or not a leak was found, proceed to "Download the ECM Reprogramming data from ASIST to CONSULT-II."
Download the ECM Reprogramming Data from ASIST to CONSULT-II and Install the ECM Reprogramming Data into the vehicle ECM.
CAUTION:
The ECM can be permanently damaged if the reprogramming procedure is not performed correctly.
4. The detailed instructions for this part of the procedure can be found by clicking here or referring to Attachment "A" to the printed version of this bulletin.
a. In ASIST go into Info Tool Box, then CONSULT Utilities, then ECM Data.
b. Select model/model year for the applied vehicle.
c. Select the applicable vehicle configuration for your vehicle from that listed in the upper right ECM data description window.
d. Click "Continue" button to download the new data from ASIST into CONSULT-II.
e. Perform download from CONSULT-II to the vehicle's ECM.
f. Using CONSULT-II access and print the new ECM P/N.
CLAIMS INFORMATION
Submit a Primary Failed Part (PP) line using the claims coding.
NOTE:
Do NOT submit a Section "EE" diagnostic Op Code on this claim. The FRT for DE98AA allows sufficient time for the required diagnosis and download.