A/T Does Not Shift: D4-D3, When OD Control Switch On/Off

17. A/T Does Not Shift: D4 -> D3, When Overdrive Control Switch ON -> OFF

SYMPTOM: A/T does not shift from D. to D3 when changing overdrive control switch to OFF position.

1. CHECK OVERDRIVE SWITCH CIRCUIT
With CONSULT-II
Does "TCM INPUT SIGNALS" in "DATA MONITOR" show damage to overdrive control switch circuit?
Without CONSULT-II





Does self-diagnosis show damage to overdrive control switch circuit?
Yes or No
Yes >> Check overdrive control switch circuit. Refer to "DTC P0705 PARK/NEUTRAL POSITION SWITCH".
No >> Go to "10. A/T Does Not Shift: D2 -> D2".