Yamaha 2007 FZ6-NA, Service Manual

Page: 455 / 538

ABS (ANTI-LOCK BRAKE SYSTEM)
8-82
NOTE:
Do not delete the malfunction code during the troubleshooting procedures. Be sure to delete it when
the service is finished.
WARNING
EWA14050
Always execute the “final check” when the components related to ABS are checked and ser-
viced.
EAS27830
[A] ABS MALFUNCTION CHECK USING THE ABS WARNING LIGHT
Turn the main switch to “ON”. (Do not start the engine.)
1. The ABS warning light does not come on. [B-1]
2. The ABS warning light remains on. [B-2]
3. The ABS warning light flashes. [B-3]
4. The ABS warning light comes on for 2 seconds, then goes off. [B-4]
EAS4S81017
[B] DETAILED ABS MALFUNCTION CHECK
EAS4S81018
[B-1] THE ABS WARNING LIGHT DOES NOT COME ON
Do other indicators operate normally?
1. Yes [C-1]
2. No [C-2]
EAS4S81019
[B-2] THE ABS WARNING LIGHT REMAINS ON
NOTE:
Check following the steps in sequence.
1. Battery voltage low
Charge, inspect or replace the battery.
2. Malfunction codes displayed. Check the malfunction codes using the ABS test coupler adaptor.
Perform troubleshooting corresponding to the malfunction codes. [B-5]
3. Wire harness, ABS ECU and meter coupler are disconnected.
Connect the coupler securely until a “click” sound is heard.
4. Check the disconnection between the ABS ECU and meter (ABS warning light).
Check the conductivity of the wire harness and repair or replace the failure part.
5. Meter circuit malfunction
Check by the following procedures.
1. Remove the ABS ECU and connect the ABS test coupler adaptor.
2. Connect the white/red lead from the test coupler adaptor to the GND terminal and set the
main switch to “ON”.
3. Does the ABS warning light go off?
1. Yes
→
Replace the ABS ECU.
2. No
→
Replace the meter.