Canada - Engine Controls - MIL ON/DTC's P0136/P0156 Set

Bulletin
TSB2193

Issue Date
2005-03-09

Market
Canada

Title
M.I.L. "ON" DTC P0136 AND/OR P0156

Component
ENGINE ELECTRICAL

Models
'03 - '04 4Runner (1GR-FE V6)

Under certain driving conditions, some 2003 - 2004 model year 1GR-FE (V6) 4Runner vehicles may exhibit a M.I.L. "ON" condition with one of the following DTCs.
- P0136 (Oxygen Sensor Circuit Malfunction [Bank 1, Sensor 2])
- P0156 (Oxygen Sensor Circuit Malfunction [Bank 2, Sensor 2])
The design of the Oxygen Sensor has been modified to prevent these conditions.

APPLICABLE VEHICLES:
- 2003 - 2004 model year 4Runner vehicles equipped with 1GR-FE (V6) engine.






PARTS INFORMATION:






WARRANTY INFORMATION:






REQUIRED SSTs:

REPAIR PROCEDURE:
1. Confirm the stored DTC using the Toyota Diagnostic Tester.
2. Replace the rear Oxygen Sensor related to the "stored" DTC. Refer to ETAS, 2003 or 2004 model year 4Runner Repair Manual: Emission Control: Emission Control System (1GR-FE): Location.
3. Clear code and road test to confirm repair.

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.