P1780

DTC P1780 [LA4A-EL]





TROUBLESHOOTING HINT
Fail-safe
- O/D cancel dysfunctional.

O/D OFF switch description
- The O/D OFF switch is a momentary contact switch. When the O/D OFF switch is pressed, a signal is sent to the PCM.
- The PCM then energizes the O/D OFF indicator lamp and engages or disengages 4GR operation and provides coast braking in 2GR and 3GR.





O/D OFF switch specification

DIAGNOSTIC PROCEDURE





Step 1 - 6





Step 7 - 12