Auto Shutdown (ASD) Relay: 3.3L
When there is no cam or crankshaft sensor signal with ignition switch in RUN position, ASD relay turns power off to electric fuel pump, fuel injectors, ignition coil and O2 sensor heating element.
When there is no cam or crankshaft sensor signal with ignition switch in RUN position, ASD relay turns power off to electric fuel pump, fuel injectors, ignition coil and O2 sensor heating element.