Isuzu 1999 RODEO Workshop Manual page 286

VSV Assembly
Inspect the vehicle side harness as follows:
Legend
(1) Grey
(2) Blue
1. Remove connector.
2. Shift transfer lever to 2H and start the engine.
NOTE: The vehicle should not be started, with the engine
idling.
3. Make sure that there is continuity in the vehicle side of
harness. If there is no continuity, check transfer shift
switch and wiring.
Inspect the both VSVs as follows
DRIVELINE CONTROL SYSTEM
1. With battery not connected (Usual).
A–C:There is continuity
B:Closed
2. With battery connected
A – B:There is continuity
C:Closed
3. If 1) and 2) fail, replace with a new VSV.
Functional Detective Switch
412RW026
1. With ball (1) being free
A–B:There is continuity
2. With ball forced into the switch
A–B:No continuity
3. If 1) and 2) fail, replace with a new switch.
Motor Actuator Assembly
Inspect the function of the motor actuator assembly as
follows:
1. Disassemble the motor actuator from transfer rear
case.
F04RS004
4B–19
412RS048