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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 TC - E4OD Transmission >> Test TC: Step 12 >> Overdrive Cancel Switch (OCS) Circuit
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Overdrive Cancel Switch (OCS) Circuit

Disconnect Overdrive Cancel Switch. Measure resistance between test pin No. 41 and test pins No. 40 and 60 at the breakout box. If resistance(s) is greater than 10 k/ohms, go to step 10) for Code 47 or 65. Go to next step for Code 97. If resistance is not greater than 10 k/ohms, for Code 47, repair short circuit and rerun KOEO Self-Test; for Code 65, repair short circuit and rerun KOER Self-Test, if Code 65 is still present, go to step 9). For Code 97, repair short circuit and rerun KOEO Self-Test.