Workshop Manual

4B2–63
DRIVE LINE CONTROL SYSTEM (TOD)
Check flow Trouble code Phenomenon Standard
14 42 (P1773) Error operation was carried out
under high–low motor running.
—
Step Action Yes No
1 1. Clear the trouble code.
Is the transfer changed to the low range from the high range?
Go to Step 2 Go to Step 3
2 Is the transfer changed to the high range from the low range? The phenomenon
is not
reproduced.
Refer to
“Trouble
intermittently
observed”.
Go to Step 3
3 Is the trouble code memoried?
Go to Step 4
See “Diagnosis
from Symptom”.
4 Is the memory DTC42 (P1773)?
Go to Step 5
Remove the
trouble
associated with
codes except
DTC 42 first.
Confirm the DTC
again.
Go to Step 5
5 1. Clear the trouble code.
2. Confirm the condition and operation of the transfer range
changing and check the state of the TOD indicator. Change
the transfer to the low from the high and vice versa.
Is the transfer changed to the low from the high and to the high
from the low?
The transfer is
changed in both
ranges by the
correct operation.
Operate the
transfer
according to
“Owner’s
Manual”.
Go to Step 6
6 Is the trouble code memoried?
Go to Step 7
See “Diagnosis
from Symptom”.
7 Is the memory DTC 42 (P1773)?
Replace the
ECU.
Go to Step 8
Remove the
trouble
associated with
codes except
DTC 42 first.
Confirm the DTC
again.
Go to Step 5
8 1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Verify the repair. Go to Step 8
NOTE:
B Confirm the operation conditions when changing
high/low range.
– The car stops. (less than 2 km/h or 1.2 mph and
engine speed: less than 1500 rpm)
– The AT selector position is neutral.
– The brake is applied (brake switch: ON)
B Verify the completion of changing the high/low range
by the TOD indicator on the instrument panel.
B This code does not indicate the trouble of the transfer
or ECU, and is memoried when an error operation is
carried out under high-low motor running.
Therefore this code is not memoried if the transfer is
operated according to
“Owner’s Manual” .