DTC Troubleshooting: P0780 (165-2)
DTC P0780:
 Transmission Shift Change System Malfunction
  1. Turn the ignition switch to ON (II).
  1. Clear the DTCs with the HDS.
  1. Test-drive the vehicle and change the shift lever from 1st to 6th gear positions, and the reverse position.
  1. Check for DTCs with the HDS.
Is DTC P0780 indicated?
YES -
Go to Step 5 .
NO -
Intermittent failure, the system is OK at this time.■
  1. Turn the ignition switch to LOCK (0).
  1. Check for foreign matter between the change actuator motors, the arms and the actuator rods.
Are there any foreign matters?
YES -
Repair as necessary and recheck.■
NO -
Go to Step 7 .
  1. Turn the ignition switch to ON (II).
  1. Test-drive and check the shift position it cannot be shifted.
  1. Turn the ignition switch to LOCK (0).
  1. Remove the transmission shift change actuator (A); R18A2 engine model, L13Z1 engine model, then connect the shift actuator motor and select actuator motor 6P connectors.
  1. Turn the ignition switch to ON (II).
  1. Do the ENGAGE GEARS in the FUNCTIONAL TEST MENU with the HDS, and try to shift the position that could not be shifted.
Does the actuator motor move normally?
YES -
Repair the transmission internal failure.■
NO -
Replace the change actuator motor; R18A2 engine model, L13Z1 engine model. ■