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Before you touch a single wire, you must identify which generation of 2UZ you own. Toyota changed the game in 2005 (2005.5 for Tundra; 2006 for Land Cruiser).
For accurate documentation on the engine control unit (ECU), several technical manuals and wiring diagrams provide the necessary pinout data for troubleshooting or engine swaps. Key Technical Documents and Diagrams
: Crankshaft Position Sensor signals used for engine speed and timing.