Control Module: Testing and Inspection
1. With ignition switch "ON," check EC-AT control unit terminal voltages, referring to pin voltage chart.
2. If not correct, check and replace or repair defective component(s) and/or wiring.
3. If voltages are not correct and no other cause is detected, replace control unit.
PIN VOLTAGE CHART
Part 1
EC-AT Control Unit Pin Voltage Chart (Part 1):
Part 2