Yamaha 2014 MT-07 Service Manual

FUEL INJECTION SYSTEM
8-40
Fault code No. 13
TIP
If fault code numbers “13” and “14” are both indicated, take the actions specified for fault code number
“13” first.
2 Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Improperly connected → Con-
nect the coupler securely or re-
place the wire harness.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 3.
3 Wire harness continuity. Open or short circuit → Replace
the wire harness.
Between crankshaft position
sensor coupler and ECU cou-
pler.
gray–gray
Between crankshaft position
sensor coupler and joint cou-
pler.
black/blue–black/blue
Between joint coupler and ECU
coupler.
black/blue–black/blue
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 4.
4 Installed condition of crankshaft
position sensor.
Check for looseness or pinch-
ing.
Check the gap between the
crankshaft position sensor and
the pickup rotor.
Improperly installed sensor →
Reinstall or replace the sensor.
Refer to “GENERATOR AND
STARTER CLUTCH” on page
5-39.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 5.
5 Defective crankshaft position
sensor.
Check the crankshaft position
sensor.
Refer to “CHECKING THE
CRANKSHAFT POSITION
SENSOR” on page 8-135.
Replace if defective.
Crank the engine.
Fault code number is not dis-
played → Service is finished.
Fault code number is displayed
→ Go to item 6.
6 Malfunction in ECU. Replace the ECU.
Refer to “REPLACING THE
ECU (engine control unit)” on
page 8-128.
Fault code No. 12
Item
Crankshaft position sensor: no normal signals are received from the
crankshaft position sensor.
Fault code No. 13
Item Intake air pressure sensor: open or short circuit detected.
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. 03
Meter display Displays the intake air pressure.
Procedure
Operate the throttle while pushing the “ ” side of the start/engine stop
switch. (If the display value changes, the performance is OK.)

Yamaha 2014 MT-07 Specifications

General

Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Displacement	689 cc
Bore x Stroke	80.0 mm x 68.6 mm
Compression Ratio	11.5:1
Maximum Torque	68.0 Nm (6.9 kg-m) @ 6, 500 rpm
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	Constant Mesh, 6-speed
Final Drive	Chain
Front Suspension	Telescopic forks
Front Brake	Hydraulic dual disc, Ø 282 mm
Rear Brake	Hydraulic single disc, Ø 245 mm
Front Tyre	120/70 ZR17M/C (58W)
Rear Tyre	180/55 ZR17M/C (73W)
Dimensions (L x W x H)	2, 085 mm x 745 mm x 1, 090 mm
Seat Height	805 mm
Wheelbase	1, 400 mm
Minimum Ground Clearance	140 mm
Wet Weight	179 kg
Fuel Tank Capacity	14 L
Maximum Power	74.8 PS (55.0 kW) @ 9, 000 rpm
Rear Suspension	Swingarm (Link type suspension)