Front Axle Diagnosis - Isuzu 2000 Trooper Workshop Manual

Front Axle Diagnosis

D When the 4WD switch is operated from 4WD to 2WD,
indicator light does not go out.
Step
1 Drive slow 100 — 200m after a few minutes" idling.
Has indicator light gone out?
2 Jack up front tires.
Does the right side of front wheel rotate when the left side of front
wheel is rotated?
3 1. Check the actuator switch.
2. Check the circuit to indicator.
Was a problem found?
4 1. Check the VSV valve.
2. Check the circuit to VSV valve.
Was a problem found?
5 Is vacuum piping all right? (tank, hose, & pipe damage or trouble)
6 Does actuator work all right?
DRIVE LINE CONTROL SYSTEM (SHIFT ON THE FLY)
Action Yes
All right. Go to Step 2
Go to Step 4 Go to Step 3
Disassemble axle
ASM for check.
Trace this chart Trace this chart
from the start from the start
after repair or after repair or
replace. replace.
Trace this chart
from the start
after repair or
Go to Step 5
replace.
Trace this chart
from the start
after repair or
Go to Step 6 replace.
Disassemble axle
ASM for check.
Trace this chart
from the start
Trace this chart after repair or
replace.
from the start.
4B1–17
No