FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Output State Diagnostic Test Mode


1. Enter the self test procedure.
2. After the codes are outputted, briefly depress the throttle to the wide open throttle. The Electronic Control Assembly (ECA) ENERGIZES the actuators.
3. Briefly depress the throttle to the wide open throttle. The Electronic Control Assembly (ECA) DE-ENERGIZES the actuators.
4. To cycle the EDF and HEDF outputs after code output ends, depress and hold the throttle. For EDF, wait until the CHECK ENGINE LIGHT (CEL) flashes once (about 10 seconds). For HEDF, wait until the CEL flashes twice (about 15 seconds). Release the throttle. The EDF or HEDF output is now on. To cycle off depress and release the throttle.