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Home >> Ford >> 1990 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Test TC - E4OD Transmission >> Test TC: Step 90
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Test TC: Step 90

90) Checking MLP, TOT Sensor And E4OD Solenoid Drive Cycle  Bring engine to operating temperature. Verify transmission fluid level and that all components are connected. Run KOEO Self-Test and record Continuous Memory Codes. If Codes 49, 59 or 69 are present, go to step 36). If Codes are not present, record and clear Continuous Memory Codes.

Select "D" range and enable "OD". Drive vehicle in city traffic using moderate acceleration. Hold throttle opening steady while transmission is shifting through all four gears and hold throttle steady for an additional 15 seconds.

Apply brakes on coming to a stop and remained stopped for 20 seconds. Repeat previous drive step. Rerun KOEO Self-Test and record Continuous Memory Codes. If a Code 11 is present, go to next step. If Code 29 is present, go to TEST B12. For Codes 56, 62, 66, 67 or 99, go to step 32).