Connect Scantool
Engine "ON".
Monitor the "INPUT & OUTPUT SPEED SENSOR" parameter on the scantool
Accelerate the Engine speed until about 2000 rpm in the 2nd gear
Specification : INPUT SPEED - (OUTPUT SPEED X GEAR RATIO) ≤ 200 RPM
Does "INPUT & OUTPUT SPEED SENSOR" follow the referance data?
YES
Go to "Component Inspection" procedure
NO
Check for electrical niose of circuit in INPUT & OUTPUT SPEED SENSOR or Replace INPUT & OUTPUT SPEED SENSOR. Repair as necessary and Go to "Verification Vehicle Repair" procedure