Component Tests

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.

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

Steps 1 - 2:

Step 3:

Step 4:

O/D OFF indicator light does not light up

Steps 1 - 2:

O/D OFF indicator light remains ON