89462-20040 Cold Start Injector Time Switch for 1988-1995 4Runner/Pickup, 1988-1993 Celica/Land 8946220040 This cold start injector time switch is designed to fit specific vehicle models including the 1988-1995 4Runner and Pickup, as well as the 1988-1993 Celica and Land.It functions as a timing control unit for the cold start injector system, helping regulate fuel delivery during engine startup under cold conditions.The unit is engineered for direct replacement of the component with compatible specifications.It connects securely into the existing wiring harness and operates in conjunction with the engine's temperature to determine injection duration.This corresponds to OEM specification 8946220040 and serves as an essential component in maintaining cold engine starts.