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APRILIA CAPONORD 1200 Service Station Manual page 175

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CAPONORD 1200
Pin out:
1. Supply from VCU
2. Output 1
3. -
4. Supply from VCU
5. Output 2
6. -
7. Ground from VCU
8. Ground from VCU
DIAGNOSTICS INSTRUMENT: ADJUSTMENTS
Rotary sensor reset
When the motorbike comes off the assembly line, a setup measurement (in mm) is set
(height from the ground) that the system recognises as reference position.
In case of replacement of the rotary potentiometer or of the VCU control unit, it is necessary
to reset the potentiometer by putting the motorbike on the central stand with the rear wheel
raised above the ground.
DIAGNOSTICS INSTRUMENT: ELECTRICAL ERRORS
VCU ERRORS
Error rotary sensor Output 1 shortcircuit or open circuit C1404
Error cause
If shortcircuit: an excessive or a null tension has been detected on PIN B3 VCU. If the circuit
is open: an interruption has been detected.
Troubleshooting
If shortcircuit: disconnect the connector of the rotary sensor and check its insulation from
ground and supply system of PIN 2: if the insulation is not present, restore the cabling,
otherwise replace the sensor.
If the circuit is open: Check the connector on the component and the VCU connector. Dis-
connect the two connectors and check the continuity of the cable between PIN 2 sensor and
PIN B3 VCU and restore the cable harness. If the cable harness is not damaged, replace
the sensor.
Error rotary sensor Output 2 shortcircuit or open circuit C1405
Error cause
If shortcircuit: an excessive or a null tension has been detected on PIN C3 VCU. If the circuit
is open: an interruption has been detected.
Troubleshooting
Electrical system
ELE SYS - 175

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