Improper Shifting to 3rd Gear (DTC 115)

Consult-Improper Shifting To 3rd Gear:

OVERALL FUNCTION CHECK
1. Start engine and warm up ATF.
2. Select "SELF-DIAG RESULTS" mode for ECM with CONSULT.
3. Start vehicle with shift lever in D and throttle opening greater than 1/8 of full throttle. Check that vehicle runs through gear shift of D1, D2, D3, D4, in accordance with shift schedule.