Disconnect the back up lamp switch connector (A).
Check the continuity between no. 1 and 2 terminals of backup lamp switch. When the shift lever is in reverse, there should be continuity.
Remove the air cleaner assembly.
(Refer to Engine Mechanical System - "Air Cleaner Assembly")
Remove the Battery and tray.
(Refer to Engine Electrical System - "Battery")
Disconnect the back up lamp switch connector (A).
Remove the back up lamp switch (A).
Replace a new one and install the back up lamp switch.
Tightening torque:
29.4 ~ 34.3 N.m (3.0 ~ 3.5 kgf.m, 21.7 ~ 25.3 lb-ft)