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Technical Training Autumn 2004. SR 50 i.e. 2005 (Ditech and C361M). Content. SR 50 i.e. 2005 (Ditech and C361M) Vehicles and identification numbers Design Dashboard and immobilizer Updates on injection system New components. Vehicles and identification numbers.

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technical training autumn 2004
Technical Training Autumn 2004

SR 50 i.e. 2005 (Ditech and C361M)


SR 50 i.e. 2005 (Ditech and C361M)

  • Vehicles and identification numbers
  • Design
  • Dashboard and immobilizer
  • Updates on injection system
  • New components
vehicles and identification numbers
Vehicles and identification numbers
  • Vehicles that are homologated for 2 persons (only 1 person for vehicles up to 25km/h)
design and main components side view
Design and main components: side view

6) Seat lock

8) Fuel tank

10) Air filter

1) Coolant reservoir

3) Brake fluid reservoir

5) Mix oil reservoir

design and main components side view1
Design and main components:side view

1) Helmet storage box

4) Front brake fluid reservoir

6) Battery

7) Fuses

design and main components dlc
Design and main components: DLC

Located behind the

left turn-signal


Remove screw of the

cover to access the connector.

design and main components vehicle speed sensor
Design and main components: vehicle speed sensor

Active speed sensor with 3 connections: supply voltage, ground, signal output.

  • Main new feature of SR 50 i.e. (Ditech and C361M)
  • Tachometer
  • Fuel level indicator
  • Coolant temperature
  • Clock
  • Speedometer
  • Odometer
  • Trip meter
  • Multi-functional indicator: time per trip, highest average vehicle speed
  • General warning light
dashboard mode button
Dashboard: MODE button
  • The MODE button controls several functions on the display and works like a turn-signal switch (move left, move right, press).
dashboard mode button2
Dashboard: MODE button

Use of MODE button

By moving the button to the right or left, you can scroll through the functions on the display. By pressing the button you select the function. By continuously pressing the button, you confirm your choice.

Sequence of functions:


For details on the functions (except the menu) refer to the documentation.

dashboard connections
Dashboard: connections
  • The signal from the engine speed sensor and the coolant temperature sensor are transmitted via the K-line from the ECU to the dashborad.
dashboard connections1
Dashboard: connections

New connections

Antenna on Ignition


MODE button

To the turn-signals


Vehiclespeed sensor

Switch turn-signals




dashboard immobilizer
Dashboard: Immobilizer
  • The immobilizer system is integrated into the dashboard map.
  • When switching ignition on, the key-code is read. If the code corresponds to one of the code in the dashboard memory, the dashboard starts the initial check and transmits the signal to start the engine to the ECU via the K-line.
  • If the code does not correspond, the engine is not started and the request to type in the code manually appears on the display.
dashboard immobilizer1
Dashboard: Immobilizer
  • Each customer receives two keys pre-coded transponders. Every time the ingition is switched on, the request to type in the 5-digit personal code appears on the display for 30 seconds.

Make sure to input the customer code

To input the code, the function CODE MODIFICATION needs to be selected.(See page 18)

dashboard menu
Dashboard: Menu
  • Menu (after pressing the MODE button for some time)






dashboard settings
Dashboard: Settings
  • The settings menu allows the customer to set the clock and to modify the code.
  • The menu point CODE MODIFICATION allows the customer to change the code.

The old code must be typed in first, then the new code can be entered.

For new vehicles the initial code is 00000.

  • For more details, check the documentation.
dashboard diagnostics
Dashboard: Diagnostics
  • To access the diagnostics menu, type in the service code:

For SR 50:


Diagnostic functions:

dashboard diagnostics1
Dashboard: Diagnostics

NEW KEYS function:

  • Use this function to:

1) disable a key in case the key gets lost

2) program 2 additional keys (max. no of keys per vehicle: 4)

3) enable new keys when the ignition switch has been changed

First type in the customer code, then, after having had memorisation confirm of the inserted key (the 1st key), insert the others keys you want to program.

The procedure is finished after a maximum of 4 keys or after 20 seconds.

dashboard diagnostics2
Dashboard: Diagnostics

MODIFY KEYS function:

  • In case of using a new ignition switch, follow these procedure:
  • Turn key ON, the dashboard don’t recognize the key and ask owner code. Insert owner code.
  • Now, it’s possible to enter in: MENU, DIAGNOSIS (inserting the service code), MODIFY KEYS and start the procedure to memorize new keys.
dashboard diagnostics3
Dashboard: Diagnostics

CODE RESET function:

  • The function CODE RESET allows the dealer to operate in “CODE MODIFICATION” (changing of codes).
  • This is useful, if the customer has forgotten the code number.
dashboard diagnostics4
Dashboard: Diagnostics


If the dashboard is replaced, 2 keys need to be inserted and during the same procedure, it’s possible to memorize 2 additional keys.

dashboard warnings
Dashboard: Warnings
  • In the lower part of the dashboard display the following warning lights are shown. These warning lights get switched on together with the general warning light.

Coolant temperature

Oil level

Errors recognized by the dashboard or the ECU


dashboard warnings1
Dashboard: Warnings

These errors are saved as ACT or MEM and are displayed in the diagnosics menu. ECU errors can also be shown with the Game Boy.

Coolant temperature errors and oil level errors have a higher priority than other errors. For example: In case of an oil level error and an ECU error only the oil level error is displayed.

dashboard warnings2
Dashboard: Warnings
  • The following warnings are also displayed in the lower part of the dashboard display.

Communication errors with the ECU

Turn-signal lamp faults

These faults are not saved to memory, neither in the ECU nor in the dashboard.

The message “ECU communication error” also appears when the RUN/OFF switch is turned to OFF, because this interrupts the power supply to the ECU. The dashboard display stays on.

dashboard diagnostics5
Dashboard: Diagnostics
  • ECU ERROR function
    • The dashboard receives from the ECU regocnized errors or errors from the memory.
    • Selecting this function you can display a table of errors from the ECU displaying ACT (current errors) and MEM (errors in the memory) showed with a X in the relative column as with the Game Boy.
    • The fault code and the explanation of these codes can be found in the troubleshooting table which already have been used for previous versions.
dashboard diagnostics6
Dashboard: Diagnostics

Function: ERROR ECU

dashboard diagnostics7
Dashboard: Diagnostics
  • DASHBOARD ERROR function
    • The dashboard provides the diagnostics for the immobilizer and the fuel level sensor.
    • With this function you can display the errors table of the dashboard with possibly errors ACT(current errors) and MEM (errors in the memory) showed with a X in the relative column.

Even if the transponder code is incorrect or if there is a malfunction of the antenna, it is still possible to start the engine by entering the customer code.

dashboard diagnostics8
Dashboard: Diagnostics
  • DASHBOARD ERROR function
    • The following table shows the dashboard (DSB) fault code and the description of the error.
dashboard diagnostics9
Dashboard: Diagnostics
dashboard diagnostics10
Dashboard: Diagnostics

Immobilizer and fuel level sensor are found only from the dashboard, for visualize errors it’s necessary show the DASHBOARD ERRORS. All other errors are found from the ECU and shown across the ERROR ECU or with the Game Boy.

dashboard diagnostics11
Dashboard: Diagnostics
  • DISCONNECT function
    • Dashboard and ECU are connected through the K-line. In order to connect the Game Boy, the dashboard has to be disconnected otherwise there could be errors when reading out the faults.
    • To disconnect the dashboard, select the DISCONNECT function. The following message appears.

Dashboard disconnected. Connect Game Boy now.

dashboard diagnostics12
Dashboard: Diagnostics
  • ERASE ERROR function
    • This function will erase all errors from the dashboard and the ECU.
  • RESET SERVICE function
    • This function will reset the service intervall indicator, which appears at 500km and then strictly at 4000 km and then every 4000 km (8.000, 12.000, 16.000, …).
    • It’s possible to erase service symbol beginning from -300km in advance to the km forecasted.
    • This function also allows to reset the odometer once, if 200 km have not been exceeded yet.
dashboard diagnostics13
Dashboard: Diagnostics
  • Km/miles function
    • With this function you can switch between units (km and miles).
dashboard diagnostics14
Dashboard: Diagnostics
  • REPROGRAMMING function
    • With this function you can fixed up the dashboard for a software reprogramming with Axone
    • Until now there is no new software for Axone about the dashboard.
updates on injection system
Updates on injection system
  • A new map is available for this new version 2005 with the Game Boy cartridge


  • Warning: if you make connection with Axone,you cannot go to the test map for dealer because it corresponds to the old Game Boy version 2.5.0.
  • All the other functions are available: engine parameter, control device, error display, etc..
updates on injection system1
Updates on injection system
  • Connecting with diagnostic instruments, you’ll always found a NOT real error due to the not connection between the ECU and the alalrm lamp (because of only K line exist on this vehicle):

with Game Boy shows error: “EFI WARNING LIGHT”

with Axone shows error: “CHECK ENGINE WARNING LIGHT”

They are errors not to be considered important

This error is not showed I n the dashboard

updates on injection system2
Updates on injection system
  • C361M: Ambient air pressure sensor now inside the ECU ( till now external)
  • Wiring diagram of Ditech and C361M now also show connections with K-line
new components fuel filter
New components: fuel filter
  • Since July 2004 all new vehicles are equipped with an external fuel filter (until then the fuel filter was located inside the tank) which is more effective.
new components fuel filter5
New components: fuel filter
  • It is possible to install the “Filter Kit”, code 8202436 on the vehicles with the old filter: in case of pump substitution it’s necessary to install the KIT, in order to prevent continuous damage to the pump .
  • Take the old filter out of the fuel tank, and connect the ventilation tube to the new filter, not to the old ring that must be removed.
  • Please note: When you order the old filter or the ring, the new “Filter Kit” is sent automatically.
new components quick fit connectors
New components: quick fit connectors
  • Ditech engines are equipped with quick fit connectors (since C361M).

Kit pressure gauge fuel code 8140488

New Ditech engines are equipped with quick fit connectors. For connection of an old manometer to the new quick fit connectors, use code 8140730

new components spark plug
New components: spark plug
  • Beginning January 2005, new spark plugs with platinum electrodes will be introduced for the Ditech engine. Code ZMR7AP .

A heat grade 7 spark plug indicates a lower self-cleaning temperature than a heat grade 8 spark plug.

  • Code 2BEN000319
new components catalyst
New components: Catalyst
  • Ditech engines now have a catalyst inside the muffler (which also have been used in the Purejet engines). This already prepares the vehicles for Euro3.
  • Operating temperature is approx. 1000°C, which is reached shortly after starting the engine.
new components catalyst1
New components: Catalyst
  • When using an old muffler of the old engine without without catalyst on a new Ditech model MY 05, not only emissions increase but also power is reduced.
new components variator roller
New components: variator roller
  • Together with the introduction of the muffler with catalyst, which influences the engine power, for the Ditech 45km/h also variator rollers of 6.8g (7.7g for older models) have been introduced.
new components battery
New components: Battery
  • To reduce starting problems, a new battery with 9A/h has replaced the old MF batteries with 4A/h.