Canada - Engine Controls - MIL ON/DTC P0136 Set

Bulletin
TSB2236

Issue Date
2005-05-30

Market
Canada

Title
M.I.L. "ON" DTC P0136

Component
ENGINE ELECTRICAL

Models
'03 - '04 Tacoma (4 Cylinder, 2RZ-FE & 3RZ-FE)

INTRODUCTION:
Under certain driving conditions, some 2003 - 2004 model year 4 cylinder 2RZ-FE (ATM and MTM) and 3RZ-FE (MTM only) Tacoma vehicles may exhibit a M.I.L. "ON" condition with DTC P0136 - Oxygen Sensor Circuit Malfunction (Bank 1, Sensor 2). The Engine Control Module (ECM) (SAE term: Power Control Module/PCM) has been modified to prevent this condition.

APPLICABLE VEHICLES:
- 2003 - 2004 model year Tacoma vehicles equipped with 2RZ-FE engine (ATM and MTM) and 3RZ-FE engine (MTM only).






PARTS INFORMATION:






WARRANTY INFORMATION:






REQUIRED SSTs:

REPAIR PROCEDURE:
1. Confirm the stored DTC using the Toyota Diagnostic Tester.
2. Refer to the ETAS, 2003 or 2004 model year Tacoma Repair Manual: Diagnostics: Engine (2RZ-FE, 3RZ-FE): P0136.






3. If NO trouble is found after performing the basic diagnostic checks for M.I.L. "ON" P0136, replace the Engine Control Module (ECM/PCM).

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.