Diagnostic Mode

To enter the diagnostic mode follow these steps:

  1. Turn off the ignition, put the stop engine button in the ON position.
  2. Disconnect the fuel pump connector (this is recommended so you don’t drain the battery).
  3. Press and hold the SELECT + RESET buttons on the dashboard at the same time.
  4. Turn on the ignition (while still holding the buttons) and wait until “dIAG” or “DI” appears on the dashboard. This could take up to 10 seconds.
  5. Once “dIAG” or “DI” appears on the dashboard, release the buttons and press them again at the same time to enter diagnostic mode.
  6. After the diagnostic mode (d01) is displayed on the dashboard, turn off the stop engine button.

You need to move through the list from d01 to d64 using the SELECT (up in the list) or RESET (down in the list) buttons.

Sensor Operation Testing

Data ID

Description

Value Displayed

Procedure

01

Throttle Position Sensor Signal 1

• Fully Closed Position

• Fully Open Position


11-21

96-107



Check with throttle valves fully closed.

Check with throttle valves fully open.

02

Atmospheric Pressure Sensor

Displays the atmospheric

pressure.

Compare the actually measured

atmospheric pressure

with the meter display value.

03

Intake Air Pressure

Displays the intake air pressure.

Operate the throttle while

pressing the "start" button. (If

the display value changes,

the performance is OK.)

05

Air Temperature

Displays the air temperature.

Compare the actually measured

air temperature with

the meter display value.

06

Coolant Temperature

When engine is cold, it displays temperature closer to air temperature.

When engine is hot, it displays current coolant temperature.

Compare the actually measured

coolant temperature

with the meter display value.

07

Rear Wheel Speed Pulses

Rear wheel speed pulses 0-999

Ensure that the number increases as the rear wheel rotates. Note that the number is cumulative and does not reset when the wheel stops.

09

Battery Voltage

Approximate voltage 12.0v to 13.0v

Set the start/engine stop switch to the 'ON' position. Compare the actual battery voltage to the meter display value. If the actual battery voltage is low, recharge the battery.

13

Throttle Position Sensor Signal 2

• Fully Closed Position

• Fully Open Position


9-23

94-108


Check with throttle valves fully closed.

Check with throttle valves fully open.

14

Accelerator Position Sensor Signal 1

• Fully Closed Position

• Fully Open Position



12-22

97-107



Check with throttle grip fully closed.

Check with throttle grip fully open.

15

Accelerator Position Sensor Signal 2

• Fully Closed Position

• Fully Open Position



10-24

95-109



Check with throttle grip fully closed.

Check with throttle grip fully open.

16

Front Wheel Speed Pulses

Front wheel speed pulses 0-999

Ensure that the number increases as the rear wheel rotates. Note that the number is cumulative and does not reset when the wheel stops.

17

Lean Angle Sensor Display

Displays the lean angle

increments of 5°

• 0–5° (vehicle is vertical)

• Less than 30° (when the

side stand is used)

Ensure that 0–5° is displayed when the vehicle is vertical. Confirm that the displayed value increases as the vehicle tilts further.

20

Side stand switch

• Side stand retracted

• Side stand extended


ON

OFF

Extend and retract the side stand while the transmission is in gear.

21

Neutral switch and clutch

switch

• Transmission is in neutral


• Transmission is in gear or the clutch lever released


• Clutch lever is squeezed

with the transmission in

gear and when the side stand

is retracted


• Clutch lever is squeezed

with the transmission in

gear and when the side stand

is extended



ON


OFF



ON





OFF

Operate the transmission,

clutch lever, and side stand.

60

EEPROM fault code display

• No history





• History exists


00

• No malfunctions detected. If the self-diagnosis fault code 44 is displayed, the ECU is defective.


01–04 (Cylinder fault code)

• If more than one cylinder is defective, the display alternates every two seconds to show all detected cylinder numbers. Once all cylinder numbers have been shown, the display repeats the process.


11 Data error for ISC (Idle Speed Control) learning values

61

Malfunction history code display

• No history


• History exists


00


Fault codes 8–99:

• If more than one code number is detected, the display alternates every two seconds to show all detected code numbers. Once all code numbers have been shown, the display repeats the process.





62

Malfunction history code clearing

• No history


• History exists


00


Displays the total number of malfunctions, including the current one, that have occurred since the history was last erased. For example, if there have been three malfunctions, '03' is displayed.




To erase the history codes, set the

start/stop engine switch from "OFF" to "ON"

63

Malfunction code reinstatement

(faults 24,

40, 42, 68, 69 only)


• No malfunction code


• Malfunction code exists





00


Fault codes 24, 40, 42, 68, 69:

• If more than one code number is detected, the display alternates every two seconds to show all detected code numbers. Once all code numbers have been shown, the display repeats the process.







To reinstate, set the

start/stop engine switch from "OFF" to "ON"

67

ISC learning condition display ISC learning data erasure

00: ISC learning data has been erased.


01: It is not necessary to erase

the ISC learning data.


02: It is necessary to erase the ISC learning data.

To erase the ISC learning data, set

the start/engine stop switch

from "OFF" to "ON" 3 times within 5 seconds.

70

Control Number

0-254

86

Shift Switch

• Shift pedal up position


• Other positions


ON


OFF

Check the switch condition

by operating the shift pedal.

Actuator Operation Testing

Actuator ID

Component

Description

Procedure

30

Cylinder #1 ignition coil

Actuates the cylinder-#1 ignition coil five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that a spark is generated five times by connecting an ignition checker.

31

Cylinder #2 ignition coil

Actuates the cylinder-#2 ignition coil five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that a spark is generated five times by connecting an ignition checker.

32

Cylinder #3 ignition coil

Actuates the cylinder-#3 ignition coil five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that a spark is generated five times by connecting an ignition checker.

33

Cylinder #4 ignition coil

Actuates the cylinder-#4 ignition coil five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that a spark is generated five times by connecting an ignition checker.

34

Intake funnel servo motor

Actuates the intake funnels (up position, down position) for each six seconds, illuminating the engine trouble and system warning light.

Check the operation of the intake funnel servo motor.

36

Primary injector #1

Actuates the primary injector #1 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that primary injector #1 is actuated five times by listening for the operating sound.

37

Primary injector #2

Actuates the primary injector #2 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that primary injector #2 is actuated five times by listening for the operating sound.

38

Primary injector #3

Actuates the primary injector #3 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that primary injector #3 is actuated five times by listening for the operating sound.

39

Primary injector #4

Actuates the primary injector #4 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that primary injector #4 is actuated five times by listening for the operating sound.

40

Secondary injector #1

Actuates the secondary injector #1 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that secondary injector #1 is actuated five times by listening for the operating sound.

41

Secondary injector #2

Actuates the secondary injector #2 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that secondary injector #2 is actuated five times by listening for the operating sound.

42

Secondary injector #3

Actuates the secondary injector #3 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that secondary injector #3 is actuated five times by listening for the operating sound.

43

Secondary injector #4

Actuates the secondary injector #4 five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that secondary injector #4 is actuated five times by listening for the operating sound.

47

Steering damper solenoid

The steering damper solenoid is on when the start/engine stop switch is "ON".


The steering damper solenoid is off when the start/engine stop switch is "OFF".


When the steering damper solenoid is on, it illuminates the engine trouble and system warning light.

Check the operation of the

steering damper.

48

Air induction system solenoid

Actuates the air induction system solenoid five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that the air induction system solenoid is actuated five times by listening for the operating sound.

49

Intake solenoid

Actuates the intake solenoid five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that the intake solenoid is actuated five times by listening for the operating sound.

50

Relay Unit

Actuates the relay unit five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that the relay unit is actuated five times by listening for the operating sound.

51

Radiator fan motor relay

Actuates the fan relay five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that the fan relay is actuated five times by listening for the operating sound.

52

Headlight

Actuates the headlight five times at one-second intervals, illuminating the engine trouble and system warning light.

Check that the headlight comes on five times.

53

EXUP servo motor

After the EXUP is fully closed, it stops at the opening base position (intermediate position). This operation takes approximately three seconds, during which time the engine trouble and system warning light comes on.

Check for operation by listening for operation sound.

Error Code Description

Code #

Description

Troubleshooting

8

Gear position sensor: open or short circuit detected.

11

Cylinder position sensor error

12

Error of the crankshaft position sensor

13

Inlet pressure sensor error (sensor readings outside the required range)

14

Inlet pressure sensor error (the sensor is disconnected or faulty)

15

Throttle position sensor error

19

Error on the ECU from the incoming signal (short circuit or the side-step sensor is disabled)

20

Error in the readings of atmospheric and absolute pressure sensors in the inlet, not permissible values

21

Error in the readings of the coolant temperature sensor

22

Inlet temperature sensor error

23

An error in the readings of the atmospheric pressure sensor

24

Oxygen sensor error (O2 sensor, lambda probe)

30

Error of the fall sensor (triggered or faulty sensor)

33

Malfunction of the ignition coil 1 of the cylinder

34

Malfunction of the ignition coil 2 of the cylinder

35

Malfunction of the ignition coil 3 of the cylinder

36

Malfunction of the ignition coil 4 of the cylinder

39

Malfunction of the primary injector circuit

40

Malfunction of the secondary injector circuit

41

Malfunction or short circuit in the wiring of the drop sensor

42

There is no signal or the speed sensor is faulty

43

Error of the voltage value in the fuel pump circuit

44

Error of the values / data of the diagnostic / ignition system

00

Indicates the normal state of the readings of the EEP-ROM

01

Indicates a violation in the mixing 01 cylinder

02

Indicates a violation in the mixing 02 cylinder

03

Denotes a violation in the mixing 03 cylinder

04

Indicates a violation in the mixing 04 cylinder

46

Error indicating voltage on the ignition module

50

An error in the operation of the memory of the ignition module

59

Disconnection or short circuit in the circuit of the gas handle position sensor

60

YCC-T system error

66

Malfunction of the trailer damper

70

An error in the organization of idling (as a symptom: the engine begins to stall at idle after 20 minutes of operation)

Er-1

No input signal from the ignition module

Er-2

No outgoing signal from the ignition module

Er-3

It is impossible to read the readings from the ignition module