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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 DP - Vehicle Speed Sensor (VSS) >> Test DP: Step 5
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Test DP: Step 5

5) Repeat Drive Cycle Test With Substitute VSS Installed  Substitute VSS with known good sensor and repeat drive cycle procedure and return to this test step. If Code 29 is still present, replace ECA and repeat step 1). If no code is present, replace original VSS and repeat QUICK TEST.

NOTE: There is a break in the step numbering sequence at this point, skipping from step 5) to step 10). Break is due to previous chart references to these testing procedures. No test procedures have been omitted.