"4L" switch

Measure resistance between "d" and "c" terminals of 2WD/4WD switch.

If measured resistance is out of specification below, replace 2WD/4WD switch.

"4L" switch resistance 

"4L" switch released: 950 - 1050 Ω 

"4L" switch kept pushing: 0 - 1 Ω 

Fig 1: Identifying 2WD/4WD Switch Terminals

Courtesy of SUZUKI OF AMERICA CORP.