Daewoo MUSSO Service Manual page 1240

Position incoder and position 1,2,3,4 malfunction
:Fault code®1750,1751,1752,1753, 1754
Phenomenon
The '4WD check' lamp can not go out when the ignition
switch positioned to 'ON'.
The fault code display 1750, 1751, 1752, 1753, 1754 by
diagnosis of SCAN-100.
Cause
The portion of position incoder malfunction, each wiring is
shorted with ground.
Stage
Check the installation condition of connector.
1. Check the installation condition between 30 pin connector
of TOD control unit and motor connector of T/C portion.
- Is it installed properly ?
2. If the connector installation is improper, install properly
F1
and then execute follow procedure.
a. Delete the all fault code from memory by scan scope.
b. Turn off ignition switch.
c.Turn on ignition switch.
d. Rediagnosis the system.
- Does the fault codes display one or more among
1750 ~ 1754.
Check the each wiring whether it is shorted or not.
1. Turn off the ignition switch
2. Detach the 30 pin connector of TOD control unit.
3. Perform short test each connector, No.27 (Position 1),
No.10 (Position 2), No.28 (Position 3),No.30 (Position
4), No.6 with body.
- Is there resistance of 0W ?
F2
Test Stage / Contents
Test Contents and Procedure
TRANSFER CASE (TOD) 5D2-31
Result
Countermeasure
Specified Value
/Yes/No
Yes Perform F2 stage
No Perform F1-2 stage
Yes Perform F2 stage
No Normal system
Yes Repair or replace
due to wiring short
No 1. Replace
2. And then, perform
the
motor Ass'y due
the defective
position incoder
portion.
F1-2 stage.