2012 Na Yamaha Super Tenere Manual

haha FUEL INJECTION SYSTEM
8-32
3. Main fuse
4. Battery
5. Main switch
6. Engine ground
8. Starter relay
10.ABS ECU fuse
12.Ignition fuse
13.Joint
14.Headlight fuse
16.Electric throttle valve fuse
17.Fuel injection system fuse
21.Relay unit
22.Starting circuit cut-off relay
23.Fuel pump relay
24.Neutral switch
25.Sidestand switch
26.Joint connector 1
27.Joint connector 2
28.Fuel pump
30.Crankshaft position sensor
31.Intake air pressure sensor
32.O2 sensor #1
33.O2 sensor #2
34.Coolant temperature...

haha FUEL INJECTION SYSTEM
8-33
EAS27351
ECU SELF-DIAGNOSTIC FUNCTION
The ECU is equipped with a self-diagnostic function in order to ensure that the fuel injection system is 
operating normally. If this function detects a malfunction in the system, it immediately operates the en-
gine under substitute characteristics and illuminates the engine trouble warning light to alert the rider 
that a malfunction has occurred in the system. Once a malfunction has been detected, a fault code 
number is stored in...

haha FUEL INJECTION SYSTEM
8-34
EAS30580
TROUBLESHOOTING METHOD
The engine operation is not normal and the 
engine trouble warning light comes on.
1. Check: Fault code number
▼▼▼▼ ▼ ▼▼▼ ▼▼▼▼▼ ▼ ▼ ▼▼▼▼ ▼ ▼▼▼▼ ▼ ▼▼▼ ▼▼▼▼
a. Check the fault code number displayed on 
the meter.
b. Identify the faulty system with the fault code  number.
c. Identify the probable cause of the malfunc- tion.
▲▲▲▲ ▲ ▲▲▲ ▲▲▲▲▲ ▲ ▲ ▲▲▲▲ ▲ ▲▲▲▲ ▲ ▲▲▲ ▲▲▲▲
2. Check and repair the probable cause of the  malfunction.
3. Perform the...

haha FUEL INJECTION SYSTEM
8-35
TIP
 All displays on the meter disappear except the odometer displays.
“ dIAG ” appears on the odometer LCD.
4. Simultaneously press the right set button and left set button for 2 seconds or more to set the diag-\
 nostic mode.
TIP
The diagnostic code number  “d:01”  appears on the clock LCD.
5. Select the diagnostic code number corresponding to the fault code number by pressing the right set  button and left set button.
TIP
To decrease the selected diagnostic code...

haha FUEL INJECTION SYSTEM
8-36
8. Connect the wire harness coupler to the fuel pump.
EAS27462
TROUBLESHOOTING DETAILS
This section describes the measures per fault code number displayed on the meter. Check and service 
the items or components that are the probable cause of the malfunction following the order given.
After the check and service of the malfunctioning part have been complet\
ed, reset the meter display 
according to the reinstatement method.
Fault code No.:
Fault code number displayed on...

haha FUEL INJECTION SYSTEM
8-37
4 Installed condition of crank- shaft position sensor.
Check for looseness or 
pinching.
Check the gap between the 
crankshaft position sensor 
and the pickup rotor. Improperly installed sensor 

 Reinstall or replace the 
sensor.
Refer to “PICKUP ROTOR ” 
on page 5-68. Crank the engine.
Fault code number is not dis-
played 
 Service is finished.
Fault code number is dis-
played   Go to item 5.
5 Defective crankshaft posi- tion sensor. Check the crankshaft posi-
tion...

haha FUEL INJECTION SYSTEM
8-38
3 Wire harness continuity. Open or short circuit   Re-
place the wire harness.
Between intake air pressure 
sensor coupler and ECU 
coupler.
black/blue –black/blue
pink/white– pink/white
blue –blue Set the main switch to 
“ON ”.
Fault code number is not dis-
played   Service is finished.
Fault code number is dis-
played   Go to item 4.
4 Installed condition of intake  air pressure sensor.
Check for looseness or 
pinching. Improperly installed sensor 

 Reinstall or...

haha FUEL INJECTION SYSTEM
8-39
Procedure Set the engine stop switch to 
“”, and then operate the throttle 
while pushing the start switch  “”. (If the display value changes, 
the performance is OK.)
Item Probable cause of mal-
function and check Maintenance job
Confirmation of service 
completion
1 Condition of intake air pres- sure sensor hose.
Check the intake air pressure 
sensor hose condition. Clogged or detached hose 

 Repair or replace the sen-
sor hose. Start the engine and let it idle 
for...

haha FUEL INJECTION SYSTEM
8-40
d:13 Meter display
Throttle position sensor signal 2
 7–
23 (fully closed position)
Procedure Check with throttle valves fully closed.
Item Probable cause of mal-
function and check Maintenance job
Confirmation of service 
completion
1 Connection of throttle posi- tion sensor coupler.
Check the locking condition 
of the coupler.
Disconnect the coupler and 
check the pins (bent or bro-
ken terminals and locking 
condition of the pins). Improperly connected 
 
Connect the...

haha FUEL INJECTION SYSTEM
8-41
5 Throttle position sensor out- put voltage Check for disconnected lead 
in the throttle position sensor 
circuit.
(black/blue
–blue)
Refer to “CHECKING THE 
THROTTLE POSITION 
SENSOR ” on page 8-143. Set the main switch to 
“ON ”.
Fault code number is not dis-
played   Service is finished.
Fault code number is dis-
played   Go to item 6.
Location of dis-
connected lead Output 
voltage
Disconnected 
ground lead 5V
Disconnected out-
put lead 0V
Disconnected 
power supply...