SC 400 V8-4.0L (1UZ-FE) (1997)
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Overdrive Indicator Lamp: Testing and Inspection
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 once again.
In O/D main switch OFF position, the O/D OFF indicator lights up and the ECM prohibits shifting to O/D.
WIRING DIAGRAM
INSPECTION PROCEDURE
Step 1
