IMMOBILIZER BLINK CODE
Blink code of immobilizer indi-
cator lamp
Possible cause
Last measure if none of the doc-
umented causes leads to elimi-
nation of the fault
ICU antenna - value not plausible
ICU antenna - coil antenna has an open
13 Immobilizer indicator lamp flashes 1x short, 1 second pause, 3x short
ICU antenna - value not plausible (
ICU antenna - coil antenna has an open (
–
Change the immobilizer control unit.
Condition
The imobilizer control unit antenna coil is disconnected. (
ICU antenna - checking the resistance
–
Measure the resistance between the specified points.
ICU antenna connector EL pin 1 – ICU antenna connector EL pin 2
ICU antenna
»
If the specifications have not been met:
–
Change the ICU antenna.
»
If the specifications have been met:
–
Check the next possible cause:
400685-10
ICU antenna - coil antenna has an open (
Condition
The immobilizer control unit is disconnected. (
The imobilizer control unit antenna coil is connected. (
ICU antenna - checking the coil antenna for opens
–
Measure the resistance between the specified points.
Immobilizer control unit, connector DO pin 1 – Immobilizer control unit,
connector DO pin 2
ICU antenna
»
If the specifications have not been met:
–
Check connector DO pin 1 and pin 2.
–
Check connector DV (
400657-10
–
Check the cable from connector DO pin 1 to connector DV (
opens.
–
Check the cable from connector DO pin 2 to connector DV (
opens.
–
Disconnect connector DV (
from connector DO pin 1 and pin 2 to connector DV pin 1 and pin 2 for mutual
short circuits.
»
If the specifications have been met:
–
Change the immobilizer control unit.
p. 230)
p. 230)
13.917... 15.383 Ω
p. 230)
p. 102)
13.917... 15.383 Ω
p. 401) pin 1 and pin 2.
p. 401) of the ICU antenna. Check the cables
230
p. 102)
p. 102)
p. 401) pin 1 for
p. 401) pin 2 for