Quest Minivan GXE V6-2960cc 3.0L SOHC MFI (VG30E) (1997)
OR
No Tools
(1) Start engine.
(2) Drive vehicle under the following conditions: Selector lever in "D", vehicle speed higher than 10 km/h (6 MPH), throttle opening greater than 1/8
of the full open position, engine speed higher than 450 rpm and driving for more than 10 minutes.
(3) Perform transmission self-diagnosis.
Refer to How to Display and Read DTCs (Without Scan Tool).