Troubleshooting Chart - PEUGEOT Elystar Workshop Manual

Troubleshooting chart

If the engine will not start, a first diagnostic may be carried out using the LED before checking the other parts
of the ignition system
TEST TO BE CARRIED OUT ONLY WITH THE BLACK KEY
LED SIGNAL
PHASE 1 PHASE 2
2 s
0.5 s
0.5 s
0.5 s 0.5 s
0.5 s 0.5 s
0.5 s 0.5 s
2 s 0.5 s
Reproduction or translation, even partial, are forbidden without the written consent of Peugeot Motocycles
TRANSPONDER IMMOBILISER
DISPLAYS
PHASE 3
Blank immobiliser
connected to a blank
ECU
Blank ECU
connected to a
programmed
immobiliser
Black key and
Permanent
programmed
immobiliser module
from another machine
No diagnostic plug
Permanent
loop or faulty
immobiliser/ECU
link
Antenna disconnected
Permanent
or faulty
Key without
transponder
Permanent Wrong or faulty key
or programmed
immobiliser from
another machine
Permanent Blank immobiliser
connected to a
programmed ECU
SOLUTIONS
Program the system using the keys
Disconnect the diagnostic plug loop, turn
on the ignition with the master key and
start the engine
If OK, connect the diagnostic plug loop,
turn on the ignition with the master key
and start the engine or turn on the
ignition for 3 seconds to memorise the
keys in the system
Refit the immobiliser and the original
keys or replace by a new one and
program the system using the original
keys
Refit the diagnostic plug loop or check
the interface wire between the
immobiliser and the ECU
Check the antenna connection and
resistance (17 Ω)
Change the key
Refit the original immobiliser or replace
by a new one and program the system
using the original keys
Program the system using the keys
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