Hydraulic Unit Operation Test 2 - Yamaha 2012 TMAX XP500A Service Manual

• If the pulse is felt in the rear brake lever
before it is felt in the front brake lever,
check that the brake hoses and brake
pipes are connected correctly to the
hydraulic unit assembly.
• If the pulse is hardly felt in either the
brake levers, check that the brake hoses
and brake pipes are connected correctly
to the hydraulic unit assembly.
• If the operation of the hydraulic unit is
normal, delete all of the fault codes.

Hydraulic unit operation test 2

EWA13120
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 left storage box
Refer to "GENERAL CHASSIS" on page
4-1.
4. Check:
• Battery voltage
Lower than 12.8 V → Charge or replace
the battery.
Battery voltage
Higher than 12.8 V
TIP
• If the battery voltage is lower than 12.8 V,
charge the battery, and then perform hydrau-
lic unit operation test 2.
• If the battery voltage is lower than 10 V, the
ABS does not operate.
ABS (ANTI-LOCK BRAKE SYSTEM)
5. Connect the test coupler adapter "1" to the
ABS test coupler "2".
Test coupler adapter
6. Set the engine stop switch "1" to "
7. Set the main switch to "ON".
8. Push the start switch "2" for at least 4 sec-
onds.
ECA59C2404
Do not operate the brake levers.
9. After releasing the start switch, operate the
front brake lever and the rear brake lever
simultaneously.
4-74
90890-03149
".