When DTC is output, be sure to confirm and record.
When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Entry&Start(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
CHECK FOR DTC
Read the DTCs.
When any DTC is not output and security indicator light does not blink, problems may be caused by the following:
Open in TC circuit between DLC3 connector and related ECU
Malfunction of related ECU
CLEAR DTC
Clear the DTCs.