Yamaha VMAX 2009 Service Manual page 545

Fault code No. ABS-41
Order Item/components and probable
cause
5 Hydraulic unit assembly
EWA2S31024
WARNING
The front brakes will not function properly if the connections are reversed.
• Brake hose (front brake master cylinder to hydraulic unit) "1" inlet: from the front brake master
cylinder
• Brake hose (hydraulic unit to left front brake caliper) "2" outlet: to the left front brake caliper
TIP
• If the brake hose inlet and outlet connections are incorrect on the hydraulic unit, the brake lever will
be pulled to its full-stroke position without responding, and then it will be pushed back slowly without
pulsating when the final check on page "[D-3] FINAL CHECK" on page 8-123 is performed.
• If the front and rear brake hose connections are reversed on the hydraulic unit, the pulsating action in
the brake lever and brake pedal will be performed in the reverse order when the final check on page
"[D-3] FINAL CHECK" on page 8-123 is performed.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Front wheel will not recover from the locking
tendency even though the signal is continuous-
ly transmitted from the ABS ECU to release the
hydraulic pressure (when the battery voltage is
Check or maintenance job
If the malfunction is not corrected
after checking items (1) to (4), re-
place the hydraulic unit assembly.
Be sure to connect the brake
hoses and coupler correctly and
securely. Check the hydraulic unit
operation.
Refer to "HYDRAULIC UNIT OP-
ERATION TESTS" on page 4-59.
8-112
normal)
Reinstatement
confirmation
method