Other information:
Removal
1.
Prior to replacing the 4WD ECU, check the 4WD ECU's clutch learning
with the GDS tool.
(Refer to 4WD Control System - "Repair procedures")
2.
Disconnect the battery negative cable from the battery ...
Specifications
Siren & ACU (Alarm control unit)
Item
Specification
Normal operating voltage
DC 12 V
Operating voltage range
DC 9 - 16 V
Operating temperature
-40 ...