Test U - Key Power Test
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1984 Ford RV Cutaway, 1984 Ford Pickup, 1984 Ford Econoline, 1984 Ford Cutaway, and 1984 Ford Club Wagon. However, it is still accessible from the selected car via links, so may be relevant.
- Turn ignition off and wait 10 seconds. Install breakout box with ECA connected. With DVOM on 20V range, connect leads to pins 5 and 60. Perform Engine Running Self-Test. If DVOM reading exceeds 17.5V during QUICK TEST, repair charging system. If reading remains below 17.5 volts and code 65 is present, replace ECA and repeat QUICK TEST . If DVOM remains below 17.5V and code 65 is not present, go to next step.
- Perform KEY ON-ENGINE OFF (KOEO) SELF-TEST . If code 65 is not present, charging system is okay, test complete. If code 65 is present, check charging system.