B278A - Short to GND in Immobilizer System Power Source Circuit

 DESCRIPTION

* Operating the engine switch starts the engine or changes the power source status (ACC / OFF / Start ).
* The engine switch is a momentary type switch which tums on only while the switch is held down. The certification ECU always stores the power source status (OFF / ACC / ON). If the battery has been removed and reinstalled, the power source status maintained before removal is restored.



WIRING DIAGRAM 



(a) Disconnect the D39 ECU connector

For example:

(b) Disconnect the D21 switch connector