APRILIA CAPONORD 1200 Service Station Manual page 88

Electrical system
Immobiliser
System components
Function
detects the transponder code in the key and sends
it to the instrument panel
Level in electrical circuit diagram:
Immobilizer
Location:
•
on the vehicle: in the ignition switch as-
sembly
•
connector: two-way, black, behind the
instrument panel
Electrical specifications
•
~ 10 - 20 Ohm
Pin out
not significant
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING,
CAREFULLY READ THE GENERAL TROUBLESHOOTING
CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGIN-
NING OF THE CHECK AND CONTROL SECTION IN THE
ELECTRICAL SYSTEM CHAPTER.
IMMOBILIZER ERRORS
Error code B0003 (KEY CODE READ BUT NOT RECOGNISED)
The key has the working transponder, but it is not within the recognised ones.
Troubleshooting
Store the new key.
Error code B0004 (ERROR READING KEY CODE)
The key has no transponder or the transponder is damaged.
Troubleshooting
Replace the key and store it.
Error code B0005 (AERIAL ELECTRICAL FAILURE (A.C. O S.C.))
An electric interruption or a ground short circuit or voltage to the circuit have been detected.
Troubleshooting
Check the sensor connector on the cable harness and the instrument panel connector. If not OK, re-
store; if OK, check electrical characteristics and aerial circuit continuity from the instrument panel
connector on PIN 24 and 25: if not OK, restore cable harness; if OK, check circuit ground insulation: if
not ground insulated, restore cable harness; if insulated, with key ON and instrument panel connector
ELE SYS - 88
CAPONORD 1200