db90: Continuous Memory Code 54: Check ACT Sensor
| Steps | _Enter Key On, Engine Off Continuous Monitor mode. Refer to the Appendix in Section 16.
_Observe VOM or STAR LED for indication of a fault while performing the following: _Lightly tap on ACT sensor (simulate road shock) _Wiggle ACT connector |
| Result | Is a fault indicated? |
| Direction | YES
Disconnect and inspect connectors. If connector and terminals are good, replace ACT sensor. Clear Continuous Memory Code 54. Refer to Appendix in Section 16. Rerun Quick Test. NO 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 |
| Image | http://www.tbirdheritage.com/turbocoupe/articles/ |