Tacoma Extra Cab Limited 4WD V6-3.4L (5VZ-FE) (2000)
b. Inspect the Diff. lock control switch continuity.
1. Inspect the switch continuity between terminal 1 and terminal 4.
HINT: Continuity doesn't exist, replace the switch.
c. Inspect the Diff. lock indicator switch.
1. Check that there is continuity exists between terminals when the switch is pushed (differential locked position).
2. Check continuity doesn't exist when the switch is free (differential unlocked position).
HINT: If operation is not as specified, replace the switch.
d. Inspect the transfer L4 switch.
e. Inspect the vehicle speed sensor.
INSTALLATION
INSTALL DIFF. LOCK ACTUATOR