APRILIA TUONO V4 R a-PRC ABS Service Station Manual page 142

Electrical system
•
key code read but not recognised
Error cause
•
The read code is not stored in the instrument panel memory
Troubleshooting
•
Carry out key data storage procedure
DSB 02 Immobilizer fault
•
read key code not read (key not present or transponder not working)
Error cause
•
Key transponder does not communicate its own code
Troubleshooting
•
Replace the key
DSB 03 Immobilizer fault
•
Immobilizer fault: aerial not working (open or short-circuited)
Error cause
•
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, restore; if OK, check electrical characteristics and aerial circuit continuity from the
instrument panel connector on PIN 24 and 34: if not OK, restore cable harness; if OK, check
circuit ground insulation: if not ground insulated, restore cable harness; if insulated, with key
ON, with instrument panel connector disconnected, check that there is not voltage at the
circuit ends: if there is voltage, restore the cable harness
DSB 04 Internal controller fault
Error cause
•
There is a fault in the instrument panel
Troubleshooting
•
Replace the instrument panel
Dashboard
In case of doubts in operation of the engine revs indication, it is possible to connect the vehicle to the
diagnostics instrument and activate the engine revs indication choosing the function "Rpm indicator"
from the "Devices Activation" screen page (injector icon)
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TUONO V4 R a-PRC ABS