ENGINE IDENTIFICATION
Note. For repair procedures not covered in this article, see ENGINE OVERHAUL PROCEDURES article in GENERAL INFORMATION.
| WARNING | To prevent air bag deployment, disconnect negative battery cable at least 90 seconds before working on vehicle. |
| CAUTION | If Engine Control Module (ECM) replacement is instructed in following test, always ensure ECM electrical connectors and ground circuits are okay. If either are defective, repair and repeat testing to confirm ECM malfunction. On models equipped with engine immobilizer, if ECM is replaced, ECM must be programmed with proper ignition key code for engine immobilizer system. For programming procedures, see appropriate COMPUTER RELEARN PROCEDURES - TOYOTA article in GENERAL INFORMATION, or appropriate ENGINE IMMOBILIZER SYSTEMS article in ACCESSORIES & EQUIPMENT. |
This article covers 2002 4Runner and 2002-03 Tacoma and Tundra models equipped with 3.4L V6 engine. Engine serial number is stamped on left front side of cylinder block, above oil filter. (Scheme 40)
| Engine | Code |
|---|---|
| 3.4L V6 | 5VZ-FE |
ENGINE IDENTIFICATION CODE