Diesel Engine - Daewoo KORANDO Service Manual

9W-10 IMMOBILIZER SYSTEM

DIESEL 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
ICU and transponders
are not registered
normally)
No communication with
valve
Notice
1. Application of ex-programmed transponder into other ICUs.
; 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.
Possible cause
1. Defective wiring harness
- Power supply/Open/short of ground
- Open/short of signal terminal or
mis-conneting(between ICU
terminal No. 13 and 14)
2. Damaged transponder
3. Defective antenna
4. Defective ICU
1. Replace the transponders and ICU
with new
; Immobilizer programming is not
performed
2. Replace transponders only(new)
; Immobilizer programming is not
performed
3. Replace ICU only(new)
4. Replace the transponder only
; Programmed for other ICU
5. Re-programming is not performed
after clearing transponder code stored
in ICU that normally used system
1. Defective wiring harness
- Power supply/Open/short of ground
- Open/short of signal terminal or
mis-conneting(between ICU
terminal No. 13 and 14)
2. Defective ICU
3. Defective valve
Remedy
1. Connect/replace the wire correctly.
2.1 Replace the transponder
2.2 Immobilizer programming
3. Replace the antenna
4.1 Replace the ICU
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
1. Connect/replace the wire correctly
2. Replace the transponder
3.1 Replace the valve
3.2 Turn Ign sw on
3.3 Turn Ign sw OFF & ON