Transmission Range Switch (Sensor) Inspection

WARNING: This page is about a different car, the 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Shift select lever to "N" range.
Check that center line on manual valve shaft (2) and "N" reference line (1) on switch are aligned. If not, loosen switch bolt and align them.

Fig 1: Checking That Center Line On Manual Valve Shaft Are Aligned
Courtesy of SUZUKI OF AMERICA CORP.
Check that engine starts in "N" and "P" ranges but it doesn't start in "D", "2", "L" or "R" range. Also, check that backup lamp lights in "R" range.
Disconnect transmission range switch coupler and check that continuity exists as shown by moving select lever.

Fig 2: Disconnecting Transmission Range Switch Coupler

Courtesy of SUZUKI OF AMERICA CORP.