Canada - Engine Controls - Light Throttle Engine Surge

Bulletin
1130

Issue Date
2002-10-08

Reference
EE-02-010

Model
Camry

Year Range
2002

Market
Canada

Component
EE, AT

Subject:
ECM CALIBRATION UPDATE - 1MZ-FE ENGINE SURGING

Some 2002 model year Camry vehicles equipped with the 1MZ-FE engine may exhibit a surging during light throttle input at speeds between 60 - 65 KPH with lock-up (L/U) "ON". The Engine Control Module (ECM) calibration has been revised to correct this condition.

NOTE:
These calibration files supersede the calibration files found in TSB Bulletin 1009, Ref. # EE-01-009, dated October 17, 2001.

APPLICABLE VEHICLES: 2002 model year Camry vehicles with 1MZ-FE engine.

ECM CALIBRATION NUMBER INFORMATION:







2002MY







REQUIRED TOOLS & MATERIAL:

PARTS INFORMATION:







2002MY

REPAIR PROCEDURE:

Verify Vehicle Condition based on customer complaint.Once condition is confirmed, proceed to Step 1.
1. Check for Authorized Modification Label affixed to vehicle in location as shown in Figure 2.
a) If there is a label with the calibration 53310200 no further action is required.
b) If there is a label with the calibration ID 53310000 or 53310100 only, proceed to step 2.
c) If there is no label, proceed 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 1).

NOTE:
- If calibration ID matches "Previous Calibration ID" as shown, proceed with flash reprogramming.
- If calibration ID matches "New Calibration ID" as shown, this vehicle has already been reprogrammed.

Flash Reprogram ECM
1. Follow procedures outlined in TSB # 1204, Ref.# GI-03-007 ECU Flash Reprogramming Process.
2. Select proper ECM calibration file for the vehicle model and reprogram ECM.
3. After flash reprogramming ECM, enter the following information on the Authorized Modifications Label using a permanent marker.
a) ECU Part Number and new Calibration ID.
2002 MY
- 89661-3T665, 53310200

b) Your Dealer Code
c) Reprogramming Date.







4. Attach the Authorized Modifications Label to the underside of the engine hood as shown.







REPAIR TIME:

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.