|Steps||_Key OFF, wait 10 seconds
_Disconnect vehicle harness from ACT sensor. Inspect for damaged pins, corrosion, loose wires, etc. Service as necessary
_Insert jumper wire at the ACT vehicle harness connector between ACT SIGNAL and SIGNAL RETURN
_Run Key ON, Engine OFF Self-Test
|Result||Is Code 64 present?|
Replace ACT sensor. Remove jumper wire. Reconnect ACT sensor. Rerun Quick Test.
Remove jumper wire.
GO to Continue
|Component||Air Charge Temperature Sensor|
|Description||The ACT provides the EEC with mixture (air and fuel) temperature information. The ACT is used both as a density corrector to airflow calculation and to proportion the cold enrichment fuel flow.|
|Location||Threaded into the lower intake manifold.|
|Wire Colors||Black with White stripe
Pink with Black stripe