Toyota Corolla Cross: Cellular Communication

 How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: Use this procedure to troubleshoot the theft deterrent system. *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS CHECK HINT: In troubleshooting, confirm

 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