Door Lock Switch

Check continuity between the switch terminals. In the LOCK position, continuity should be present between terminals No 1 & 2. See Fig 1 . In the UNLOCK position, continuity should be present between terminals No. 2 and No. 3. If switch does not register as indicated, replace door lock switch.

Fig 1: Identifying Door Lock Switch (Connector View)

Courtesy of ISUZU MOTOR CO.