Yamaha Fz6 N Service Manual

FEATURES
1-22
2.Pressurized statePort D “11” is closed by the “pressurization”  signal transmitted from the ABS ECU. Before this 
occurs, the spool of the flow control valve has compressed the return spring and closed port B “9”.
Brake fluid that has entered through port A “7” is further restricted by the orifice “10” and the brake 
fluid is sent to the brake calipers via port A “7” and port C “13”. At this time, the brake is pressur-
ized at a constant speed regardless of the brake fluid pressure level...

FEATURES
1-23
EAS4S81010
ABS SELF-DIAGNOSIS FUNCTION
ABS warning light
The ABS warning light “1” comes on when a malfunction is detected by the ABS self-diagnosis. It is 
located in the meter assembly.
1. Brake master cylinder
2. Brake light switch
3. ABS motor
4. Hydraulic pump
5. Buffer chamber
6. Flow control valve
7. Port A
8. Spool
9. Port B
10.Orifice
11.Port D 12.Solenoid valve
13.Port C
14.Brake caliper
15.ABS ECU
16.ABS warning light
17.Brake fluid pressure
18.Time
19.Repressurizing
20.Chamber...

FEATURES
1-24
Instances when the ABS warning light comes on
1.The ABS warning light comes on when the main switch is turned to “ON”.The ABS warning light comes on for 2 seconds whil e the ABS is performing a self-diagnosis, then 
goes off if there are no problems.
2.The ABS warning light comes on while riding. If the ABS warning light comes on while riding,  a malfunction has been detected in the ABS. The 
ABS hydraulic control will not be performed. The ABS wi ll have recourse to manual braking if this...

FEATURES
1-25
4.The ABS warning light “1” flashes and a malfunction code “2” is indicated on  the multi-function dis-
play when the test coupler adapter  “3” is connected to the ABS test coupler “4” for troubleshooting 
the ABS.
The ABS test coupler can be accessed by removing  the left inner panel (front cowling). When the 
test coupler adapter is connect ed to the ABS test coupler, the ABS warning light starts flashing 
and the multi-function display indicates all  the malfunction codes recorded in...

FEATURES
1-26
Diagnosis indication
The place where the ABS diagnosis code  is displayed is also used for the indication of the FI diag-
nosis code, odometer, trip meter and fuel trip.
As the priority level of indication, the diagnosis  code for FI is the first and the diagnosis code for 
ABS is the second.
Accordingly, the ABS diagnosis code is no t displayed during the diagnosis for FI.
NOTE:
It shall not be in the diagnosis mode for FI.
EAS4S81011
ABS WARNING LIGHT AND OPERATION
ABS warning light
...

FEATURES
1-27
 The braking of the vehicle, even in the worst case, is principally executed when the vehicle is 
advancing straight ahead. During a turn, sudden braki ng is liable to cause a loss of traction of the 
tires. Even vehicles equipped wi th ABS cannot be prevented from  falling over if braked suddenly.
 The ABS does not work when the main switch is  turned to “OFF”. The conventional braking func-
tion can be used.
* Wheel lock: A condition that occurs when the rotation of one or both of the...

IMPORTANT INFORMATION
1-28
EAS20180
IMPORTANT INFORMATION
EAS20190
PREPARATION FOR REMOVAL AND DISAS-
SEMBLY
1. Before removal and disassembly, remove all dirt, mud, dust and foreign material.
2. Use only the proper tools and cleaning  equipment.
Refer to SPECIAL TOOLS on page 1-31.
3. When disassembling, always keep mated  parts together. This includes gears, cylin-
ders, pistons and other parts that have 
been “mated” through normal wear. Mated 
parts must always be reused or replaced 
as an...

IMPORTANT INFORMATION
1-29
EAS20230
BEARINGS AND OIL SEALS
Install bearings and oil seals so that the manu-
facturer’s marks or numbers are visible. When 
installing oil seals “1”, lubricate the oil seal lips 
with a light coat of lithium-soap-based grease. 
Oil bearings liberally when installing, if appro-
priate.
CAUTION:
ECA13300
Do not spin the bearing with compressed 
air because this will damage the bearing 
surfaces.
EAS20240
CIRCLIPS
Before reassembly, check all circlips carefully 
and replace...

CHECKING THE CONNECTIONS
1-30
EAS20250
CHECKING THE CONNECTIONS
Check the leads, couplers, and connectors for 
stains, rust, moisture, etc.
1. Disconnect: Lead
 Coupler
 Connector
2. Check:
 Lead
 Coupler
 Connector Moisture  → Dry with an air blower.
Rust/stains  → Connect and disconnect 
several times.
3. Check:  All connections
Loose connection  → Connect properly.
NOTE:
If the pin “1” on the terminal is flattened, bend 
it up.
4. Connect:
 Lead
 Coupler
 Connector
NOTE:
Make sure all...

SPECIAL TOOLS
1-31
EAS20260
SPECIAL TOOLS
The following special tools are necessary for complete and accurate tune-up and assembly. Use 
only the appropriate special tools as this will help prevent damage caused by the use of inappropri-
ate tools or improvised techniques. Special tools, part numbers or both may differ depending on the 
country.
When placing an order, refer to the list provided below to avoid any mistakes.
NOTE:
 For U.S.A. and Canada, use part number starting with “YM-”, “YU-”, or...