4WD Input (Land Cruiser, Sequoia, Tacoma, Tundra & 4Runner)
On 4WD models, Engine Control Module (ECM) receives an input signal from transfer L4 position switch and transfer neutral position switch to indicate transfer case position.
On 4WD models, Engine Control Module (ECM) receives an input signal from transfer L4 position switch and transfer neutral position switch to indicate transfer case position.