Introduction
The engine control system on the diavel uses a sensor that measures the temperature of the coolant (engine temperature). This sensor has a resistance of ntc type (negative temperature coefficient), that reduces its own value when the temperature increases. The engine temperature sensor, allows the control unit to manage correctly the cold starting and the heating phases.
Components assembling position
The engine temperature sensor is mounted on the left hand side of the vertical cylinder.
Location of engine temperature sensor connector.
Wiring diagram
Ccm engine control connection, s engine temperature sensor. 1 Green/white - g/w, 2 black/purple - bk/v.
In the event of fault
In the event of an engine temperature sensor fault, the engine control unit implements a recovery value of 70C and activates the radiator fans.
Fault codes generated and possible correlated faults
Fault codes generated by the engine control unit and displayed by the dds (engine temperature sensor diagnosis):
Note
Check integrity of electric circuit - short-circuit to vdc = with dashboard on, using a voltmeter, a voltage is measured between the wire tested and ground.
Check integrity of electric circuit - short-circuit to ground = with the battery cables disconnected, using an ohmmeter, continuity is detected between the wire tested and ground.
Check integrity of electric circuit - open circuit = with the battery cables disconnected, using an ohmmeter, no continuity is detected between the two ends of the wire tested.
The tank dashboard shows the error "engine temperature" and the eobd warning light activates.
When the dashboard receives the "engine temperature" error, flashing dashes are displayed instead of the temperature reading. If the dashboard does not receive engine temperature information from the can line, the error "engine temperature" is not shown on the display, but flashing dashes are still displayed instead of the temperature reading.
Possible correlated faults: inadequate engine power, irregular idle speed (target idle speed is 1350 rpm with engine stabilised at operating temperature), the engine does not start easily, radiator fans not activated correctly or not activated at all, causing the coolant to reach boiling point.
Check:
The engine temperature value may be checked using the dds. Check that the value given is plausible.
If none of the aforementioned tests identify the problem and the engine temperature sensor is in proper working order, replace the engine control unit.
component replacement methods
No special measures are necessary in order to replace the engine temperature sensor. After replacement of the engine temperature sensor, reset the self-adaptive parameters relative to carburation with the dds.
Refitting the tail light
Fit the spacers with collar (3) into the rear vibration dampers (2) located
on the gloves compartment (23).
Note
Two spacers (3) must be inserted inside and outside on the right side and
two spacers (3) must be inserted inside and
outside on the left side.
Insert the split vibration damp ...
Routing of wiring on frame
The routing of the wiring has been optimised to ensure the minimum
obstruction.
Each section is designed to prevent interference with parts that might damage
wires or cause operating failures when
riding. The plates on the following pages show the origins ("0" points) for
correct re-routin ...
Removal of the steering head components
Note
All parts fitted to the top and bottom yokes, including the wiring and
control cables, can remain on the motorcycle
provided they do not hinder the following operations.
Loosen the screws (19) securing the supports (21) and (23) of splashguard
(22) to the air conveyors (t).
...