O/D Main Switch & O/D Off Indicator Light Circuit

CIRCUIT DESCRIPTION
The O/D main switch contacts go open when the switch is pushed in and go closed when it is pushed out. When O/D main switch is in OFF position, the O/D OFF indicator light lights up, and the ECM prohibits shifting to overdrive.




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