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Any of the following fail to light: turn signal light, brake light or an indicator light.




The horn fails to sound.

 

Check:

 

И main, signaling system, lighting system and backup fuses

 

И battery

 

И main switch

 

И wiring connections

 

(of the entire signaling system)

 

NOTE:

Й Before troubleshooting, remove the following part(s):

 

К battery cover

 

К rear cover

 

К front cowling

 

К handlebar cover

 

Л Troubleshoot with the following special tool(s).

 

Pocket tester 90890-03112, YU-03112-C

 

EAS00738

 

М Main, signaling system, lighting system and backup fuses

 

Check the main, signaling system, lighting system and backup fuses for continuity. Refer to “CHECKING THE FUSES” in chapter 3.

 

Are the main, signaling system, lighting system and backup fuses OK?


П Battery

 

Check the condition of the battery.

 

Refer to “CHECKING AND CHARGING THE BATTERY” in chapter 3.

Minimum open-circuit voltage 12.8 V or more at 20 °C (68 °F)

 

• Is the battery OK?

 

    YES   NO
         
         

• Clean the battery terminals.

 

• Recharge or replace the battery.

 

EAS00749

 

Р Main switch

 

Check the main switch for continuity. Refer to “CHECKING THE SWITCHES”.

Is the main switch OK?

 

    YES   NO
         
         

Replace the main switch/immobilizer unit.

 

EAS00795

 

С Wiring

 

Check the entire signal system’s wiring. Refer to “CIRCUIT DIAGRAM”.

 

Is the signaling system’s wiring properly connected and without defects?


 

YES NO YES NO

 

Replace the fuse(s).   Check the condition   Properly connect or
    of each of the signal-   repair the signaling
 
    ing system’s circuits.   system’s wiring.
    Refer to “CHECK-    
       
    ING THE SIGNAL-    
    ING SYSTEM”.    
         

 

8 - 41


SIGNALING SYSTEM ELEC +


 

EAS00796

CHECKING THE SIGNALING SYSTEM

 

Т The horn fails to sound.

 

Horn switch

 

Check the horn switch for continuity. Refer to “CHECKING THE SWITCHES”.

Is the horn switch OK?

 

    YES   NO
         
         

Replace the left han-dlebar switch.

 

У Voltage

 

Connect the pocket tester (DC 20 V) to the horn coupler as shown.

 

Positive tester probebrown 1 Negative tester probeground

 

 

Х Set the main switch to “ON”.

 

Х Measure the voltage (DC 12 V) of brown at the horn coupler.

Х Is the voltage within specification?


П Horn

 

Disconnect the horn coupler at the horn.

 

Connect a jumper lead 1 to the brown ter-minal in the horn coupler and the horn ter-minal.

 

Connect a jumper lead 2 to the horn ter-minal and ground.

 

Set the main switch to “ON”.

 

Does the horn sound?

 

 

          NO         YES
                     
         
The wiring circuit   The horn is OK.
from the horn coupler          
         
to the horn switch          
coupler and/or horn          
switch to ground are          
faulty and must be          
repaired.            
                     


 

    YES   NO
         
         

The wiring circuit from the main switch to the horn coupler is faulty and must be repaired.


 

 

8 - 42


SIGNALING SYSTEM ELEC +


 

EAS00798

Р The tail/brake light fails to come on.

 

Tail/brake light bulb and socket

 

Check the tail/brake light bulb and socket for continuity.

 

Refer to “CHECKING THE BULBS AND

 

BULB SOCKETS”.

 

Are the tail/brake light bulb and socket OK?

 

    YES   NO
         
         

Replace the tail/ brake light bulb, socket or both.

 

С Brake light switches

 

Check the brake light switches for continu-ity.

 

Refer to “CHECKING THE SWITCHES”.

 

Is the brake light switch OK?


У Voltage

 

Connect the pocket tester (DC 20 V) to the tail/brake light assembly coupler (wire har-ness side) as shown.

 

Positive tester probegreen/yellow 1 Negative tester probeblack 2

 

 

Ф Set the main switch to “ON”.

 

Ф Pull in the brake levers.

 

Ф Measure the voltage (DC 12 V) of green/ yellow 1 on the tail/brake light assembly coupler (wire harness side).

 

Ф Is the voltage within specification?

 


 

YES NO YES NO

                       
Replace the brake   This circuit is OK.   The wiring circuit
light switch(es).           from the main switch
         
            to the tail/brake light
           
            assembly coupler is
            faulty and   must be
            repaired.      
                       

 

8 - 43


SIGNALING SYSTEM ELEC +


 

EAS00799

Ц The turn signal light, turn signal indicator light or both fail to blink.

 

Turn signal light bulb and socket

 

Check the turn signal light bulb and socket for continuity.

Refer to “CHECKING THE BULBS AND

 

BULB SOCKETS”.

 

Are the turn signal light bulb and socket OK?

 

    YES   NO
         
         

Replace the turn sig-nal light bulb, socket or both.

 

• Turn signal indicator light bulb and socket

 

Check the turn signal indicator light bulb and socket for continuity.

Refer to “CHECKING THE BULBS AND

 

BULB SOCKETS”.

 

Are the turn signal indicator light bulb and socket OK?

 

    YES   NO
         
         

Replace the turn sig-nal indicator light bulb, socket or both.

 

● Turn signal switch

 

• Check the turn signal switch for continuity. Refer to “CHECKING THE SWITCHES”.

• Is the turn signal switch OK?

 

    YES   NO
         
         

Replace the left han-dlebar switch.


 

11. Hazard switch

 

• Check the hazard switch for continuity. Refer to “CHECKING THE SWITCHES”.

• Is the hazard switch OK?

 

    YES   NO
         
         

Replace the right handlebar switch.

 

• Voltage

 

Connect the pocket tester (DC 20 V) to the turn signal/hazard relay coupler (wire har-ness side) as shown.

 

Positive tester probebrown 1 Negative tester probeground

 

 

8. Set the main switch to “ON”.

 

9. Measure the voltage (DC 12 V) on brown 1 at the turn signal/hazard relay coupler (wire harness side).

10. Is the voltage within specification?

 

    YES   NO
         
         

The wiring circuit from the main switch to the turn signal/ hazard relay coupler is faulty and must be repaired.


 

8 - 44


SIGNALING SYSTEM ELEC +


 

8. Voltage

 

• Connect the pocket tester (DC 20 V) to the turn signal/hazard relay coupler (wire har-ness side) as shown.

 

Positive tester probebrown/white 1 Negative tester probeground

 

 

• Set the main switch to “ON”.

 

• Measure the voltage (DC 12 V) on brown/ white 1 at the turn signal/hazard relay coupler (wire harness side).

• Is the voltage within specification?

 

    YES   NO
         
         

The turn signal/haz-ard relay is faulty and must be replaced.

 

• Voltage

 

Connect the pocket tester (DC 20 V) to the turn signal light coupler, tail/brake light assembly coupler or meter assembly cou-pler (wire harness side) as shown.

 

И Front turn signal light assembly (left) Й Front turn signal light assembly (right) К Tail/brake light assembly

 

Л Meter assembly (turn signal indicator light)

 

Left turn signal light Positive tester probe

 

chocolate 1 or brown/green 2 Negative tester probeground

 

Right turn signal light Positive tester probe

 

dark green 3 or brown/green 4 Negative tester probeground


• Й

 

К

 

 

Л

 

 

• Set the main switch to “ON”.

 

• Set the turn signal switch to “ ” or “ ”.

 

6. Measure the voltage (DC 12 V) of the chocolate 1 or dark green 3 at the tail/ brake light assembly coupler or meter assembly coupler (wire harness side) and brown/green 2, 4 at the turn signal light coupler (wire harness side).

 

7. Is the voltage within specification?

 

    YES         NO  
                   
         
This circuit is OK.   The wiring circuit
        from the turn signal
       
        switch to the turn sig-
        nal light coupler, tail/
        brake light assembly
        coupler or meter
        assembly coupler is
        faulty and must be
        repaired.        
                   


 

8 - 45


SIGNALING SYSTEM ELEC +


 

• The V-belt replacement indicator fails to come on.

 

V-belt replacement indicator bulb and socket

 

Check the V-belt replacement indicator bulb and socket for continuity.

 

Are the V-belt replacement indicator bulb and socket OK?

 

    YES   NO
         
         

Replace the V-belt replacement indica-tor bulb, socket or both.

 

2. V-belt replacement indicator reset coupler

 

• Connect the pocket tester (Ω Ч 1) to the V-

 

belt replacement indicator reset coupler as


 

7. Voltage

 

• Connect the pocket tester (DC 20 V) to the meter assembly coupler (wire harness side) as shown.

 

Positive tester probelight green 1 Negative tester probeground

 

 

• Set the main switch to “ON”.

 

• Measure the voltage (12 V) of light green 1 at the meter assembly coupler.

• Is the voltage within specification?

 


 

shown.

 

• Check the V-belt replacement indicator

 

reset coupler for continuity.

 

Positive tester probeblack 1 Negative tester probeblack 2


YES

 

Replace the meter assembly.


 

NO

 

The wiring circuit from the V-belt replacement indica-tor reset coupler to the meter assembly coupler (wire harness side) is faulty and must be repaired.


 

8.Is the V-belt replacement indicator reset coupler OK?

 

    YES   NO
         
         

Replace the V-belt replacement indica-tor reset coupler.


 

8 - 46


SIGNALING SYSTEM ELEC +

 

EAS00803 EAS00804


8. The engine oil change indicator fails to come on.

 

• Engine oil change indicator bulb and socket

 

Check the engine oil change indicator bulb and socket for continuity.

 

Refer to “CHECKING THE BULBS AND

 

BULB SOCKETS”.

 

Are the engine oil change indicator bulb and socket OK?

 

    YES   NO
         
         

Replace the meter Replace the engine assembly. oil change indicator

 

bulb, socket or both.

 

10. The engine trouble warning light fails to come on.

 

• Engine trouble warning light bulb and socket

 

Check the engine trouble warning light bulb and socket for continuity.

Refer to “CHECKING THE BULBS AND

 

BULB SOCKETS”.

 

Are the engine trouble warning light bulb and socket OK?

 

    YES   NO
         
         

Replace the meter Replace the engine assembly. trouble warning light

bulb, socket or both.


i. The fuel meter fails to come on.

 

Fuel sender

 

Drain the fuel from the fuel tank and then remove the fuel pump (fuel sender) from the fuel tank.

 

Connect the fuel pump coupler to the fuel pump.

 

Connect the pocket tester to the fuel pump coupler (wire harness side) as shown.

Positive tester probegreen 1 Negative tester probeblack 2

 

• Measure the fuel sender resistances.

 

Fuel sender resistance (up posi-tion “F” И )

( Ω Ч 1)

 

19 ~ 21at 20 °C (68 °F)

 

Fuel sender resistance (down position “E” Й )

( Ω Ч 10)

 

137 ~ 143at 20 °C (68 °F)

 

 

B B

 

G R / L

 

 

И

 

Й

 

• Is the fuel sender OK?

 

    YES   NO
         
         


 

Replace the fuel pump.


 

8 - 47


SIGNALING SYSTEM ELEC +


 

• Voltage

 

Connect the pocket tester (DC 20 V) to the meter assembly coupler (wire harness side) as shown.

 

Positive tester probegreen 1 Negative tester probeblack/white 2

 

 

g. Set the main switch to “ON”.

 

h. Measure the voltage (DC 12 V) of green 1 on the meter assembly coupler (wire har-ness side).

i. Is the voltage within specification?

 

    YES   NO
         
         

Check the wiring connections of the entire signaling sys-tem.


 

• Fuel meter

 

Set the main switch to “ON”.

 

Move the float up 1 or down 2.

 

Check that the fuel meter appear to “E” or

 

“F”.

 

 

 

 

• Does the fuel meter appear appropriately?

 

    YES       NO
             
     
This circuit is OK.   Replace the meter
        assembly.
       
             


 

 

8 - 48


SIGNALING SYSTEM ELEC +


 

EAS00806

• The speedometer fails to operate.

 

Speed sensor

 

Connect the pocket tester (DC 20 V) to the speed sensor coupler (wire harness side) as shown.

 

Positive tester probewhite 1 Negative tester probeblack/blue 2

 

 

11. Set the main switch to “ON”.

 

12. Start the engine.

 

13. Elevate the front wheel and slowly rotate it.

 

14. Measure the voltage (DC 5 V) of white and black/blue. With each full rotation of the front wheel, the voltage reading should cycle from 0.6 V to 4.8 V to 0.6 V to 4.8 V.

15. Does the voltage reading cycle correctly?

 

    YES   NO
         
         


d. Voltage

 

Connect the pocket tester (DC 20 V) to the meter assembly coupler (wire harness side) as shown.

 

Positive tester probeyellow/blue 1 Negative tester probeblack/white 2

 

 

• Set the main switch to “ON”.

 

• Measure the voltage (DC 5 V) yellow/blue 1 on the meter assembly coupler (wire harness side).

• Is the voltage within specification?

 

    YES       NO
             
     
This circuit is OK.   Replace the meter
        assembly.
       
             


 

Replace the speed sensor.


 

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8 - 50

 

                                                                                  diator                  
                                                                                  nition                    
        ў                                                                       g   fanL motor fuse DIAGRAMCIRCUIT SYSTEMCOOLING EAS00807 SYSTEMCOOLING
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                                                                L/W Y/L Y/G Gy/G W B/Y B/W Y/B L   R/W R/B O                       A        
            B/Y                                                   Lg G/R Br/W P/W Y B/L L/Y Y/R W/Y R/L G/B B                                
            B/L                                                                                   Br Br        
        B/Y B/L Gy B                                                               U                     Y/B Y/B        
                                                                      R/B                                  
            W W                                                                                   GRIP WARMER        
          W W   R                                           B/Y   O   O   V                 WIRE HARNESS SUB-WIRE HARNESS        
            W W                                                                 W                        
                                                                                      G/R B/L           B        
      W W W W W W     B                                                             B/L   G/R                    
              B R                                 G/Y   R/L                               (GREEN)                    
              W W W                                 R/B   R/B         B                             Br/L Br/L        
                            R R               Lg G/Y                     G/R                           B Y/B        
                    R           R R           R/B G/Y                                                            
      B/W B R/G R/G BB                         R R       (BLUE)     K L                             X                        
      Y/L G/L R/W R/W Lg Y/L   L/R Br/R ON               L/W B                 R/L                     B/L   Br/W Br/W B/L       WIRE HARNESS DC TERMINAL        
                                                    R/L                             SUB-WIRE HARNESS        
          R/G R/W Y/L R   R OFF     F     G (BLACK)                 R/B L/Y                           (GREEN)                    
            P                         G/Y Lg   R/L L/Y             Br/W                             C        
          G/LB B/W Br/L Br/L               H L/W                       L/Y                                        
                                          L/W                     P/W                                      
                                    B           &nb
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