Component Tests
CIRCUIT DESCRIPTIONThe O/D main switch contacts go open when the switch is pushed in and go closed when it is pushed out.
If O/D main switch is at OFF position, the O/D OFF indicator light lights up, and the ECM prohibits shifting O/D.
WIRING DIAGRAM
INSPECTION PROCEDURE
Step 1:
Step 2:
Step 3:
Step 4:
O/D OFF indicator light does not light up
Step 1:
Step 2:
O/D OFF indicator light remains ON