Yamaha XP500 Service Manual page 322

ANTI-LOCK BRAKE SYSTEM (XP500A)
2
1
12.Set the main switch to "OFF".
13.Remove the test coupler adaptor from the
test coupler.
14.Set the main switch to "ON".
15.Set the engine stop switch to "
• [D-6-3-2] Hydraulic unit operation test 2
WARNING
_
Securely support the vehicle so that there
is no danger of it falling over.
1. Place the vehicle on the centerstand.
2. Set the main switch to "OFF".
3. Remove:
• front cowling
• battery
Refer to "FUEL TANK" in chapter 3.
4. Check:
• battery voltage
Battery voltage
Higher than 12.8 V
Lower than 12.8 V → Charge or replace the
battery.
NOTE:
_
• If the battery voltage is lower than 12.8 V,
charge the battery and perform hydraulic unit
operation test 2.
• If the battery voltage is lower than 10 V, the
ABS warning light comes on and the ABS
does not operate.
5. Connect the test coupler adaptor 1 to the
test coupler 2.
Test coupler adaptor
90890-03149
4 - 124
CHAS
".