Turn the ignition switch OFF and disconnect the battery negative (-) cable (A).
Disconnect the positive (+) terminals (B) from the battery.
Remove the air cleaner. (Refer to Engine Mechanical System - "Air Cleaner")
Remove the battery insulation pad.
Remove the battery mounting bracket (C) by loosening the mounting bolt and then remove the battery (D).
Remove the battery.
Remove the ECM. (Refer to Engine Control/Fuel System - “Engine Control Module (ECM)”)
Remove the battery tray (B) after removing the bolts (A).