Abs Control Operation - Yamaha 2003 FJR1300 Service Manual

ANTI-LOCK BRAKE SYSTEM (FJR1300A)
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• ABS control operation

The ABS control operation performed in the
ECU (ABS) is divided into the following two
parts.
• Hydraulic control
• Self-diagnosis
These operations are performed once every
8/1,000 of a second. When a failure is
detected in the ABS, a malfunction code is
stored in the memory of the ECU (ABS) for
easy problem identification and troubleshoot-
ing.
NOTE:
_
Some types of failures are not recorded in the
memory of the ECU (ABS) (e.g., a drop in bat-
tery voltage).
1 Software operation flow
2 Set the main switch to "ON".
3 Initialize
4 Self-diagnosis (when static)
5 Self-diagnosis (when riding)
6 Receive signals
7 Control operation
8 Depressurize/pressurize
È 8/1,000 of a second
– 69 –
CHAS