Isuzu 1999 RODEO Workshop Manual page 282

2. Case that indicator keeps 2Hz blinking after aforementioned Solution 3 is carried out.
Step
1 Check the air pressure and wear of all tires.
Were problems found?
2
Can the transfer lever be operated from High to 4L or vice versa?
3 Pull out the hoses from vacuum actuator and operate 4WD
switch.
Is there negative pressure on either of hoses?
4 Check the axle switch.
Were problems found?
Action
DRIVELINE CONTROL SYSTEM
Yes
Try Solution 3
after adjust the
air pressure and
replace worn
tires.
Faults on the
harness wiring of
motor actuator.
Trace this chart
from the start
after repair or
replace.
Internal faults on
transfer case.
Disassemble the
transfer case for
check. Trace this
chart from the
start after repair
or replace.
Faults on the
motor actuator.
Trace this chart
from the start
after or replace.
Go to Step 4
Internal faults on
axle switch.
Trace this chart
from the start
after replace.
Faults on Front
Axle ASM. Trace
the diagnosis
chart in Front
Axle ASM
section. After
that, trace this
chart from the
start.
4B–15
No
Go to Step 2
Go to Step 3
Faults on the
transfer position
switch or its
harness. Trace
this chart from
the start after
repair or replace.
Faults on the
VSV main body,
its harness or
vacuuming
system. Trace
the diagnosis
chart in Front
Axle ASM
section. After
that, trace this
chart from the
start.
Short circuit
(body short) or
disconnection of
the axle harness.
Trace this chart
from the start
after repair or
replace.