Data monitor/active test

Turn the ignition switch to OFF.
Connect the SSM4 to the DLC3.
Turn the ignition switch to ON.
Follow the SSM4 display and select [Each System] →[Body Control] →[Data monitor] to bring up the data monitor item list.
Use the data monitor to judge whether a component is working or not, and to narrow down the location of trouble.

SSM4 screen: [Each System] →[Body Control] →[Data monitor]

Item name	Description/display range	Normal value	Remarks (Main inspection items during a malfunction)
[BATT voltage (control)]	Shows the BATT (control) voltage. Display range: 0 to 21.4 V	11 to 14 V	When a malfunction occurs, it may be due to a problem with battery voltage.
[BATT voltage (BACKUP)]	Shows the BATT voltage backup. Display range: 0 to 21.4 V	11 to 14 V	When a malfunction occurs, it may be due to a problem with battery voltage.
[Ignition Power Supply Voltage]	Shows the IG power supply voltage. Display range: 0 to 21.4 V	11 to 14 V	When a malfunction occurs, it may be due to a problem with the IG circuit.
[ACC voltage]	Shows the ACC voltage. Display range: 0 to 21.4 V	11 to 14 V	When a malfunction occurs, it may be due to a problem with the ACC circuit.