Engine Controls - MIL ON/DTC P0346 Set
ENGINEEG006-05
March 15, 2005
Title:
M.I.L. "ON" DTC P0346
Models:
'04 - '05 ES 330
Introduction
Under certain driving conditions, some 2004 and 2005 model year ES 330 vehicles may exhibit a M.I.L. "ON" with the following DTC:
^ P0346 (Camshaft Position Sensor "A" Circuit Range/Performance [Bank 2])
The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic have been modified to change this condition.
NOTE:
^ Version 12.01a or later Diagnostic Tester software is required to perform this procedure.
^ Before proceeding, verify the ECM (PCM) calibration has NOT been updated by checking for the Authorized Modifications Label (shown in step 1 of the Repair Procedure).
Applicable Vehicles
^ 2004 model year ES 330 vehicles.
^ 2005 model year ES 330 vehicles produced BEFORE the Production Change Effective VIN shown below.
Production Change Information
Warranty Information
Applicable Warranty:
This repair is covered under the Lexus Federal Emissions Warranty. This warranty is in effect for 96 months or 80,000 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
NOTE:
Authorized Modification Labels may be ordered in packages of 25 from the Materials Distribution Center (MDC) through Dealer Daily Dealer Support Materials System or by calling the MDC at 1-800-622-2033.
Required SSTs
NOTE:
Additional Diagnostic Tester Kits, Program Cards, or other SSTs may be ordered by calling SPX/OTC at 1-800-933-8335.
Calibration Identification Chart
NOTE:
^ Although the calibration description in the Calibration Update Wizard and on the Diagnostic Tester reads "04 ES 330," these calibrations apply to 2004 and 2005 model year ES 330 vehicles produced before the Production Change Effective VIN shown in this bulletin.
^ 2004 model year ES 330 vehicles, which have been flash reprogrammed using the procedures in this TSIB, will contain upgraded 2005 model year OBD II logic. Refer to the 2005 model year ES 330 Repair Manual information on the Technical Information System (TIS) when checking Powertrain Diagnostic Trouble Codes (DTCs) on 2004 model year vehicles that have been reprogrammed.
Repair Procedure
1. Check for the Authorized Modifications Label affixed to the vehicle in the location shown in Figure 1. Confirm if ECM (PCM) calibration has been updated. If not the latest ECM (PCM) calibration go to step 2.
2. Connect the Diagnostic Tester to the vehicle and select CURRENT ECU CAL from the ECU REPROGRAM MAIN MENU. Determine the vehicle's current ECU calibration (see Figure 2).
- The sample screen prints shown are the 12.01 a software version and may differ from subsequent software versions.
NOTE:
^ If Calibration ID matches "Previous Calibration ID" as shown in Calibration Identification Chart, proceed with flash reprogramming.
^ If Calibration ID matches "New Calibration ID" as shown in Calibration Identification Chart, this vehicle has already been programmed. Refer to TIS for diagnostic procedures applicable to any stored DTCs.
3. If ECU calibration ID is not the same as the New Calibration ID" listed previously, proceed to Flash Reprogram ECM (PCM).
4. Flash Reprogram ECM (PCM)
A. Follow the procedures outlined in TSIB No. SS001-01, "ECU Flash Reprogramming Process," and flash the ECM (PCM) with the new calibration file update.
B. Enter the required information on the Authorized Modifications Label and affix it to the vehicle at the location shown in Figure 1. The Authorized Modifications Label is available through the MDC, P/N 00451-00001-LBL.
5. Follow the procedures outlined in TSIB No. EG012-04, "Entering VIN During ECM (PCM) Replacement and/or DTC P0630," and write the VIN to the ECM (PCM).
6. The repair is complete. Test drive vehicle to confirm normal operation.