Technical data

Aprilia Consumer Service Spa
Technical Service and Training
Release 4 july 99
This material is didactic and
may be changed following the technical
development of the product
1.4 FAULTS TABLE
FAULT CODE COMPONENT INVOLVED CAUSE NOTES
11
CAMSHAFT SENSOR
Sensor not connected, faulty
wiring, sensor broken
START ENGINE
(t>4 sec)
12
CRANKSHAFT SENSOR
Sensor not connected, faulty
wiring, sensor broken
START ENGINE
(t>4 sec)
13
INTAKE PRESSURE SENSOR
Sensor not connected, faulty
wiring, sensor broken
ENGINE RUNNING OR
ENGINE STOPPED
14
INTAKE/ATMOSPHERIC PRESSURE
SENSOR
Increased differences
between sensor signals
ENGINE RUNNING OR
ENGINE STOPPED
15
THROTTLE SENSOR
Sensor not connected, faulty
wiring, sensor broken
ENGINE RUNNING OR
ENGINE STOPPED
21
COOLANT TEMPERATURE SENSOR
Sensor not connected, faulty
wiring, sensor broken
ENGINE RUNNING OR
ENGINE STOPPED
22
AIR TEMPERATURE SENSOR
Sensor not connected, faulty
wiring, sensor broken
ENGINE RUNNING OR
ENGINE STOPPED
23
ATMOSPHERIC PRESSURE SENSOR Sensor – inside control unit
– defective
ENGINE RUNNING OR
ENGINE STOPPED
33
COIL 1 CYLINDER1
Coil not connected, faulty wiring,
sensor broken
ENGINE RUNNING
34
COIL 2 CYLINDER 1
Coil not connected, faulty wiring,
sensor broken
ENGINE RUNNING
35
COIL 1 CYLINDER 2
Coil not connected, faulty wiring,
sensor broken
ENGINE RUNNING
36
COIL 2 CYLINDER 2
Coil not connected, faulty wiring,
sensor broken
ENGINE RUNNING
41
TIP OVER SENSOR NOT CONNECTED
DEFECTIVE
ENGINE RUNNING OR
ENGINE STOPPED
NO START CONDITIONS AT START - Tip over conditions
- Safety logic not
satisfied
- Two defective coils
on same cylinder
See table
WHAT TO DO WHEN A FAULT CODE APPEARS:
1. CHECK COMPONENT WITH TESTER
2. CHECK CONTACTS (SENSOR/WIRING– WIRING/CONTROL UNIT)
3. CHECK WIRING