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Home >> Ford >> 1990 >> Bronco II 4WD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test QB - KOEO Or Continuous Memory Service Code 15 >> Test QB: Step 1
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Test QB: Step 1

1) Continuous Memory Code 15 Displayed  Clear Continuous Memory Codes using procedure described in this article. Repeat KOEO Self-Test through Continuous Memory Code output. If Continuous Memory Code 15 is not displayed, Continuous Memory Code 15 testing is complete. Service other codes as necessary. If Continuous Memory Code 15 is displayed during retest, go to next step.

NOTE: Continuous Memory Code 15 may be displayed when power to Keep Alive Memory (KAM) Test Pin No. 1 at ECA is interrupted. This code may be set when installing a breakout box and displayed the first time Self-Test is performed and power is restored to ECA. Repeat Self-Test to ensure correct diagnosis.