APRILIA MSS Mana GT ABS Service Station Manual page 123

MSS Mana GT ABS
If the "Invalid Data" message is displayed, it means that the parameter value in the Engineering pa-
rameters screen page is not correct.
Driving pulley position potentiometer:track 2
Example value:Invalid data / Valid data
If the "Invalid Data" message is displayed, it means that the parameter value in the Engineering pa-
rameters screen page is not correct.
NOTE When troubleshooting, use the interface, code 020481Y, with the adaptor, code 020481Y004.
The correspondence between the control unit PIN and the interface PIN is the following: control unit
PIN A1....A8 and interface PIN interface 11....18, control unit PIN B1....B8 and interface PIN interface
21....28, control unit PIN C1....C8 and interface PIN interface 31....38
ERRORS
Track 1 potentiometer - Code 9001 - above maximum threshold/ below minimum threshold/ signal
not valid.
Error cause
•
If above the maximum threshold: excessive voltage has been detected at PIN A2. If below
the minimum threshold: voltage equal to zero has been detected at PIN A2. If signal is not
valid: excessive deviation of the potentiometer track value in relation to the other track.
Troubleshooting
•
If above the maximum threshold: with key set to KEY ON, disconnect the sensor and ob-
serve, with the diagnosis instrument, if the voltage value of the "Driving pulley position
potentiometer: track 1" parameter drops to zero: if it drops to zero, replace the sensor; if it
does not, restore the purple/red cable.
•
If below the minimum threshold: check the transmission ECU connector and the sensor
connector: if they are not OK, restore; if they are OK, check continuity on the purple/red
cable: if it is not OK, restore the cable; if it is OK, replace the sensor.
•
If signal is not valid: check the transmission ECU connector and the sensor connector: if
they are not OK, restore; if they are OK, replace the sensor.
Track 2 potentiometer - Code 9002 - above maximum threshold/ below minimum threshold/ signal
not valid.
Error cause
•
If above the maximum threshold: excessive voltage has been detected at PIN C2. If below
the minimum threshold: voltage equal to zero has been detected at PIN C2. If signal is not
valid: excessive deviation of the potentiometer track value in relation to the other track.
Troubleshooting
•
If above the maximum threshold: with key set to KEY ON, disconnect the sensor and ob-
serve, with the diagnosis instrument, if the voltage value of the "Driving pulley position
Electrical system
ELE SYS - 123