4WD LOW Switch Inspection

Disconnect negative cable at battery.
Hoist vehicle.
Disconnect 4WD LOW switch connector (2).
Check continuity between 4WD LOW switch (1) terminals. There should be continuity when transfer switch is shifted to 4L position and it should be infinity when transfer switch is shifted to 4H or 2H position. If not, replace 4WD LOW switch (1).
Connect 4WD LOW switch connector.

Fig 1: Identifying 4WD LOW Switch & Connector
Courtesy of SUZUKI OF AMERICA CORP.
Lower hoist and connect negative cable.