Toyota Corolla Cross: Back Door Opener Switch

 Terminals Of Ecu

TERMINALS OF ECU CHECK TIRE PRESSURE WARNING ECU AND RECEIVER *A w/ Smart Key System *B w/o Smart Key System *a Front view of wire harness connector (to Tire Pressure Warning ECU and Receiver) - -

 Power Source Mode does not Change to ON (IG and ACC)

DESCRIPTION When the ignition switch cannot be turned to ACC or ON, interior verification may be abnormal or there may be a malfunction in the ACC relay or IG relay circuit. If interior verification cannot be performed, the certification ECU (smart key ECU assembly) may be malfunctioning or communic