Explorer 2WD V6-4.0L VIN K Flex Fuel (2002)
DEALER CODING
CONDITION
BASIC PART NO.
CODE
9A299
28
Disclaimer
Initial Steps (All Vehicles)
1.
Retrieve and record PCM and the instrument cluster (IC) DTCs, from continuous and on-demand self tests.
2.
If DTCs other than B1201 or P0463 are retrieved, follow normal Workshop Manual diagnostics, DO NOT CONTINUE WITH THIS TSB.
3.
If IC DTC B1201 and/or PCM DTC P0463 are retrieved, perform Procedure A for 2002-2005 Model Years and Procedure B for 2006 Model
Years.
4.
If No DTCs are retrieved, go to Procedure C.
Procedure A
PROCEDURE A (2002-2005 MY)
CHECKING FUEL GAUGE OPERATION:
NOTE
WHEN PERFORMING STEPS 4A-0, FUEL GAUGE SLOSH STRATEGY REQUIRES SPECIFIC KEY ON AND KEY OFF CYCLE TIMES.
THESE TIMES MUST BE OBSERVED OR THE DIAGNOSTIC RESULTS WILL NOT BE ACCURATE.
1.
Key in OFF position.
2.
Remove Fuse F1.15 (15 amp) from the Battery Junction Box, wait 1 minute and reinstall fuse.
NOTE
THIS IS DONE TO RESET THE CLUSTER FUEL GAUGE TIMERS. FAILURE TO COMPLETE THIS STEP MAY RESULT IN ERRONEOUS
TEST RESULTS.
3.
Disconnect the in-line connector to the fuel pump module (C438 for 4.6L) or (C431 for 4.0L), located on the RH frame rail.
4.
On the vehicle harness side of the connector, connect one lead of an instrument gauge system tester (Rotunda # 014-R1063 or equivalent) to
Circuit 1356 (LG/VT - Pin-8 in Connector C438 and C431) and the other lead to Circuit 1357 (LB/YE - Pin-5 in C438 for 4.6L or Pin-4 in C431
for 4.0L) (Figure 1).
a.
With the key in the RUN position, move the shift lever from PARK to DRIVE, wait 10 seconds and then back to PARK.
b.
Wait 30 seconds with the key in the RUN position and the shift lever in PARK.