Yamaha 2007 FZ6-NA Service Manual page 230

• Hydraulic unit operation test 1: this test gen-
erates the same reaction-force pulsating
action that is generated in the brake lever
and brake pedal when the ABS is activated.
• Hydraulic unit operation test 2: this test
checks the function of the ABS after the sys-
tem was disassembled, adjusted, or ser-
viced.
Hydraulic unit operation test 1
EWA13120
WARNING
Securely support the vehicle so that there
is no danger of it falling over.
1. Place the vehicle on the centerstand.
2. Set the main switch to "OFF".
3. Remove:
• Seat
Refer to "GENERAL CHASSIS" on page 4-
1.
• Fuel tank
Refer to "FUEL TANK" on page 7-1.
• Front cowling inner panel (left side)
Refer to "GENERAL CHASSIS" on page 4-
1.
4. Check:
• Battery voltage
Battery voltage
Higher than 12.8 V
Lower than 12.8 V → Charge or replace the
battery.
NOTE:
• If the battery voltage is lower than 12.8 V,
charge the battery and perform hydraulic unit
operation test 2.
• If the battery voltage is lower than 10 V, the
ABS warning light comes on and the ABS
does not operate.
5. Connect the test coupler adaptor "1" to the
test coupler "2".
ABS (ANTI-LOCK BRAKE SYSTEM)
Test coupler adapter
6. Set the main switch to "ON" while operating
the brake lever and the brake pedal simul-
taneously.
ECA4S81014
CAUTION:
When the main switch is set to "ON", be
sure to operate both the brake levers and
the brake pedal simultaneously. If only the
brake levers or brake pedal are operated,
set the main switch to "OFF" and start the
procedure again.
7. Check:
• Hydraulic unit operation
When the main switch is set to "ON", the
ABS warning light comes on for 2 seconds,
goes off for 3 seconds, then starts flashing.
When the ABS warning light starts flashing,
the brake lever "1" will return to its home
position. The brake pedal "2" will then
return to its home position, then the brake
lever will return to its home position again.
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90890-03149