Yamaha FZ1-N 2007 Service Manual page 459

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
EAS4S81023
[C-2] ABS WARNING LIGHT AND ALL OTHER INDICATORS DO NOT COME ON
NOTE:
Check following the steps in sequence.
1. Check the power supply system.
1. Check that the battery is connected correctly.
2. Check the battery voltage. (Refer to "CHECKING AND CHARGING THE BATTERY" on page
8-132.)
3. Check if the main fuse is blown. If the main fuse is blown, determine the cause and repair.
Replace with a new fuse. (Refer to "CHECKING THE FUSES" on page 8-131.)
2. Check the connections.
1. Check that the main fuse coupler is securely connected.
2. Check that the main switch coupler is securely connected.
3. Check that the meter assembly coupler is securely connected. (Refer to "ABS CONNECTOR
LOCATION CHART" on page 8-93.)
When these checks are finished, return to [A] and check the ABS again.
EAS4S81024
[C-3] ABS WARNING LIGHT FLASHES
1. When the warning light flashes "ON" for 0.25 seconds and "OFF" for 0.75 seconds, check the
stop switch or 3-4), 5).
2. When the warning light flashes "ON" for 0.75 seconds and "OFF" for 0.25 seconds, the starter
motor monitor is defective. Same as the error code 22 or 3-1), 2), 3).
3. When the warning light flashes "ON" for 1 second and "OFF" for 1 second, it is another malfunc-
tion. Same as the error code 28.
The following are probable causes to explain why the ABS warning light flashed while riding and
then stopped flashing or stopped flashing when main switch was set "OFF" to "ON".
1. The rear wheel was rotated with the vehicle on the centerstand. → The system is normal.
2. The rear wheel was raced. → The system is normal.
3. The vehicle was ridden on the rear wheel with the front wheel elevated. → The system is nor-
mal.
4. The vehicle was ridden on extremely uneven roads continuously. → The system is normal.
5. The brake switch is defective or improperly adjusted. → Replace or adjust.
EAS4S81025
[C-4] ABS WARNING LIGHT FLASHES EVERY 0.5 SECOND
If the ABS warning light flashes every 0.5 second, the malfunction code of a past malfunction has
not been stored in the memory of the ABS ECU. If a malfunction code is displayed on the multifunc-
tion display, the ABS warning light flashes. Make sure that the customer understands the possible
conditions when the ABS warning light comes on.
1. Voltage drop
For the ABS to operate correctly, the voltage should be always higher than the specified voltage.
If the voltage drops to lower than 10 V, the ABS warning light comes on and the ABS does not
operate. When the voltage recovers to higher than 10 V, the ABS operates. However, the mag-
neto, battery and rectifier/regulator must be checked. Follow the regular procedures for service
of the power supply system.
2. ABS is stopped by the ABS ECU
The ABS ECU may stop the ABS operation if it is exposed to extremely strong electromagnetic
waves or static electricity.
When the ABS ECU is no longer exposed to the electromagnetic waves, static electricity, and the
ABS warning light is not flashing, there is no effect on the operation of the ABS. Explain to the
customer that the ABS will operate normally.
email: info@motomatrix.co.uk
ABS (ANTI-LOCK BRAKE SYSTEM)
8-104