With Scan Tool
INPUT SIGNALWhen using the scan tool (MUT-II)
1. Connect the scan tool to the data link connector 1.
2. When connecting the scan tool (MUT-II).
CAUTION: Turn off the ignition switch beforehand whenever the scan tool is connected or disconnected.
3. The ECU input signal of individual circuit systems is normal, if the scan tool buzzer sounds once when the respective switches are operated (turned ON/OFF).