Canada - Engine Controls - MIL ON/Multiple DTC's Set

Bulletin
3099

Issue Date
November 27, 2008

Market
Canada

Title:
M.I.L. "ON" DTC P0101, P0121, P0171, P0172, P035#, P223#

Component
Engine Electrical

Models
'09 Corolla/Matrix

INTRODUCTION:
Some 2009 model year Corolla and Matrix vehicles may exhibit a M.I.L. "ON" DTC condition with one or more of the following Diagnostic Trouble Codes (DTCs):
- P0101 - Mass Air Flow Circuit Range / Performance Problem
- P0121 - Throttle / Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem
- P0171 - System Too Lean
- P0172 - System Too Rich
- P035# - Ignition Coil "#" Primary / Secondary Circuit
- P2237 - Oxygen (A/F) Sensor Pumping Current Circuit / Open
- P2238 - Oxygen (A/F) Sensor Pumping Current Circuit Low
- P2239 - Oxygen (A/F) Sensor Pumping Current Circuit High
An improved engine wire harness has been developed to address this condition. Use the following repair procedure to diagnose and repair customer complaint vehicles.







APPLICABLE VEHICLES:







WARRANTY INFORMATION:

PRODUCTION CHANGE INFORMATION:







This TSB applies to vehicles produced BEFORE the Production Change Effective VINs shown.







PARTS INFORMATION:







REQUIRED SSTS:

REPAIR PROCEDURE:
1. Using TIS Techstream, check for stored DTCs.
2. Verify one or more of the following DTCs is present:
- P0101
- P0121
- P0171
- P0172
- P0351
- P0352
- P0353
- P0354
- P2237
- P2238
- P2239

NOTE
If other DTCs are present along with any of the DTCs listed above, this TSB does NOT apply.
Follow Repair Manual procedures to diagnose other DTCs first.

3. Follow Repair Manual procedure to inspect the suspect circuit/component.

P0101:
Refer to the Repair Manual within E-TAS / TIS library:
- Model: Corolla/Matrix
- Year: 2009
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2AZ-FE / 2ZR-FE Engine Control System: SFI System: P0101: Mass Air Flow Circuit Range / Performance Problem

P0121:
Refer to the Repair Manual within E-TAS / TIS library:
- Model: Corolla/Matrix
- Year: 2009
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2AZ-FE / 2ZR-FE Engine Control System: SFI System: P0121: Throttle / Pedal Position Sensor / Switch A Circuit Range / Performance Problem

P0171/P0172:
Refer to the Repair Manual within E-TAS / TIS library:
- Model: Corolla/Matrix
- Year: 2009
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2AZ-FE / 2ZR-FE Engine Control System: SFI System: P0171, P0172: System Too Lean (Bank 1)

P0351/P0352/P0353/P0354:
Refer to the Repair Manual within E-TAS / TIS library:
- Model: Corolla/Matrix
- Year: 2009
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2AZ-FE / 2ZR-FE Engine Control System: SFI System: P0351-P0354: Ignition Coil "A" Primary / Secondary Circuit

P2237/P2238/P2239:
Refer to the Repair Manual within E-TAS / TIS library:
- Model: Corolla/Matrix
- Year: 2009
- Service Category: Engine/Hybrid System
- Section: Engine Control
- Keyword: 2AZ-FE / 2ZR-FE Engine Control System: SFI System: P2237-P2239, P2252, P2253: Oxygen (A/F) Sensor Pumping Current Circuit / Open (Bank 1 Sensor 1)"

4. If the DTC related circuits and components are within Repair Manual specifications, replace the engine wire harness.
5. After replacing the engine harness, clear DTCs and verify that no DTCs reset. Then warm vehicle to operating temperature and test drive to verify repair.

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