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Canada - Engine Control - MIL ON DTC P0346

Bulletin
TSB2098

Issue Date
March 01, 2005

Title
M.I.L. "ON" DTC P0346

Component
ENGINE ELECTRICAL

Models
'04 - '05 ES330

Under certain driving conditions, some 2004 and 2005 model year ES330 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 has 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 ES330 vehicles.
- 2005 model year ES330 vehicles produced BEFORE the Production Change Effective VIN shown below.






PRODUCTION CHANGE INFORMATION:






WARRANTY INFORMATION:






PARTS INFORMATION:






REQUIRED SSTS:






CALIBRATION INFORMATION:

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 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 seen are the 12.01a software version, and may differ from subsequent software versions.

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 TSB No. 0435, "ECU Flash Reprogramming Process," and flash the ECM (PCM) with 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 PDC, P/N 00451-00001-25.

5. Follow the procedures outlined in TSB No. 2046, "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 to confirm normal operation.

NOTE:
Issue of this Technical Service Bulletin is to ensure that proper repair information is available. IT DOES NOT CONSTITUTE AN AUTHORIZATION FOR REPAIR. Normal provisions of the formal warranty policy, as applicable, will apply.