Isuzu 2000 Trooper Workshop Manual page 435

DRIVE LINE CONTROL SYSTEM (TOD)
4B2–57
Chart B–1 The 4WD switch circuit wires are broken or short-circuited to the GND
Function of circuit —
Fail condition Even after the transfer position is select from TOD to 2H, the indicator lamp status is not
changed.
Indicator lamp status —
Transfer position 2H —
D04RY00015