Daewoo KORANDO Service Manual page 1455

9W-8 IMMOBILIZER SYSTEM
GASOLINE ENGINE
Cause and Remedy for Defective When Diagnosed by Scanner
Defects
No communication with
transponder
No immobilizer
programming
(Components and
wiring harnesses are
normal but codes in
ECU and transponders
are not registered
normally)
Notice
1. Application of ex-programmed transponder into other ECUs.
; In this case, it can not be removed for the settled "lock bit" in transponder even though you perform immobilizer
problem normally. Moreover it is impossible to start engine, so replace the transponder with new and perform
immobilizer programming.
DIAGNOSIS
Possible cause
1. Defective wiring harness
- Power supply/Open/short of ground
- Open/short of signal terminal or
mis-conneting(between ECU
terminal No. 13 and 14)
2. Damaged transponder
3. Defective antenna
4. Defective ECU
1. Replace the transponders and ECU
with new
; Immobilizer programming is not
performed
2. Replace transponders only(new)
; Immobilizer programming is not
performed
3. Replace ECU only(new)
4. Replace the transponder only
; Programmed for other ECU
5. Re-programming is not performed
after clearing transponder code stored
in ECU that normally used system
Remedy
1. Connect/replace the wire correctly.
2.1 Replace the transponder
2.2 Immobilizer programming
3. Replace the antenna
4.1 Replace the ECU
4.2 Replace all transponder of the keys
4.3 Immobilizer programming
1. Perform immobilizer programming
2. Perform immobilizer programming
3.1 Replace the transponders with new
3.2 Perform immobilizer programming
4.1 Replace the transponders with new
4.2 Perform immobilizer programming
5. Immobilizer programming