Multi Information Display - Miles Since Refuel Wrong
ELECTRICALEL002-01
Title:
"MILES SINCE REFUEL" DISPLAY RESETTING
Models
'98-'00 LS 4OO
June 1, 2001
Introduction
Some owners of 1998 - 2000 model year LS 400 vehicles may complain of the "Miles Since Refuel" function of the Multi-Information Display resetting to "0" even though the vehicle had not been refueled. In order to minimize the possibility of this occurrence, a new fuel gauge circuit logic has been adopted. Additionally, the fuel sender may also need to be replaced on some vehicles.
NOTE:
Due to the nature of the design of this system, resetting of this display may occur if the vehicle is parked on a steep incline or decline. This is a normal condition, and will not be impacted by the procedures provided in this bulletin.
Applicable Vehicles
1998 - 2000 model year LS 400 vehicles.
Affected VIN Ranges
NOTE:
Please determine where the vehicle falls in VIN range above, and order ONLY the parts associated with the Repair Procedure number(s) listed. (Please refer to the "Parts Information" section in this bulletin.)
Warranty Information
Applicable Warranty *:
This repair is covered under the Lexus Basic Warranty. This warranty is in effect for 48 months or 50,000 miles, whichever occurs first, from the vehicle's in-service date.
* Warranty application is limited to correction of a problem based upon a customer's specific complaint.
Parts Information
Repair Procedure
1. Replace the Combination Meter Plate (ECU board) No. 1.
A. Verify that the Parts Department has ordered a Combination Meter Plate with a preset mileage that corresponds with the current mileage of the vehicle to be repaired.
B. Remove the Combination Meter from the dash assembly.
C. Remove the cover.
a. Remove the screws from the 7 locations shown in the illustration.
b. Disconnect the cover from the meter case.
D. Remove the Combination Meter Plate (ECU board) No. 1.
a. Remove the 8 screws and 6 connectors from the locations shown in the illustration.
b. Remove the ECU circuit board.
E. Install the new Combination Meter Plate.
F. Reassemble in reverse order of disassembly and verify proper operation of the Combination Meter.
2. Replace the Fuel Sender and Gasket.
NOTE:
The fuel sender is accessed through the trunk on the LS 400.