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Control Module: Testing and Inspection

EC-AT CONTROL UNIT (K8 DOHC and B6 SOHC [California])

Inspection




1. Disconnect the EC-AT control unit connectors.
2. Connect the SSTs (Engine Signal Monitor and Adapter Harness) to the EC-AT control unit as shown.




3. Place the SST (Sheet) on the Engine Signal Monitor.
4. Turn the ignition switch ON, and check the EC-AT control unit terminal voltage, referring to the Terminal Voltage Chart.
5. If any EC-AT control unit terminal voltage is incorrect, check the related input or output devices and wiring. If no problem is found in these devices, replace the EC-AT control unit.






CAUTION: Never apply voltage to SST terminal A and B.

Terminal Voltage Chart (K8 DOHC) Part 1:




Terminal Voltage Chart (K8 DOHC) Part 2:




Terminal Voltage Chart (K8 DOHC)

Terminal Voltage Chart (B6 SOHC (California)) Part 1:




Terminal Voltage Chart (B6 SOHC (California)) Part 2:




Terminal Voltage Chart (B6 SOHC)