Honda SH300I 2006, Manual

Page: 414 / 511

ANTI-LOCK BRAKE SYSTEM (ABS; SH300A/AII/AIII)
18-20
2. Relay Power Input Line Short Circuit Inspection
Disconnect the ABS modulator 25P connector.
Check for continuity between the ABS modulator
25P connector of the wire harness side and
ground with "ABS FSR" fuse removed.
Is there continuity?
YES – Short circuit in Black wire between the
fuse box and ABS modulator.
NO – Temporary failure. Replace the "ABS
FSR" fuse (30 A) with a new one and
recheck.
3. Relay Power Input Line Open Circuit Inspection
(at control unit side)
Install the "ABS FSR" fuse (30 A).
Disconnect the ABS modulator 25P connector.
Measure the voltage between the ABS modula-
tor 25P connector from the wire harness side.
There should be battery voltage at all times.
Is there battery voltage?
YES – GO TO STEP 4.
NO – • Open circuit in Black wire and/or Red
wire between the battery and ABS
modulator.
• Open circuit in Green wire between
the ABS modulator and ground.
• Loose or poor contact on the connec-
tor.
4. Failure Reproduction
Turn the ignition switch "OFF".
Connect the ABS modulator 25P connector.
Erase the problem code (page 18-9).
Test ride the scooter above 30 km/h (18 mph).
Retrieve the problem code (page 18-8).
Does the indicator blink 54 times?
YES – Faulty ABS modulator.
NO – Fail-safe relay is normal (temporary fail-
ure).
CONNECTION: Black – Ground
ABS MODULATOR
25P CONNECTOR
Black
CONNECTION: Black (+) – Green (–)
ABS MODULATOR
25P CONNECTOR
Green
Green
Black
ABS INDICATOR