4 Runner SR5 2WD V6-3.4L (5VZ-FE) (1997)
c. Inspect the differential lock indicator switch.
1. Check that there is continuity between terminals when the switch is pushed (differential connected position).
2. Check that there is no continuity when the switch is free (differential disconnected position).
NOTE: If operation is not as specified, replace the switch.
d. Inspect the transfer L4 switch.
e. Inspect the vehicle speed sensor.
4. Install the differential lock actuator.
NOTE: For installation & removal refer to See: Service and Repair