TRANSPONDER IMMOBILISER
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TRANSPONDER IMMOBILISER
Precautions:
Check that the diagnostic plug loop is fitted. The loop provides the link between the immobiliser module and
the injection/ignition ECU, and is essential to be able to start the engine
If the loop is not fitted, the transponder LED diagnostic is always the same (no link between the immobiliser
and the ECU)
Note:
Fitting of a 5 k
Ω
resistive suppressor along with a resistive spark plug is essential for the proper
functioning of the engine
System programming
The machine is supplied with a notched key (master) and a black key
The system is programmed in the factory
It is possible to program up to 7 black keys
The key memory procedure is the same as the AEC400 and ACI100 system
Reminder of the key memory procedure
1.
Using the master key, set the ignition to on, and when the LED lights, turn off the ignition
2.
Within a maximum of 15 seconds of cutting off the ignition with the master key, turn on the ignition with
the black key, and when the LED comes on turn off the ignition (repeat the operation for each black key to
be memorised (maximum of 7 black keys))
3.
Within a maximum of 15 seconds of turning off the ignition with the last key memorised, turn on the
ignition with the master key, and when the LED comes on, turn off the ignition
Key memory check
Using the master key, turn on the ignition, the LED on the instrument panel comes on for 0.5 seconds and
flashes a number of times. The number of flashes indicates the number of keys memorised, including the
master key
Diagnostic LED readings
There are three successive diagnostic LED lighting phases when the ignition is turned on with a black key
Phase 1:
System status
Lights for 2 seconds: Immobiliser not programmed
Lights for 0.5 seconds: Immobiliser programmed
Phase 2:
Diagnostic
Does not light: No fault detected
Lights 1 to 4 times for 0.5 seconds Fault detected
Phase 3:
Starting enabled
Does not light: Starting enabled (if engine does not start, see troubleshooting chart)
Light stays on Starting not enabled
