ABS (ANTI-LOCK BRAKE SYSTEM)
4-72
16.Delete the fault codes. (Refer to “[C-1] DE-
LETING THE FAULT CODES” on page
8-158.)
17.Perform a trial run. (Refer to “CHECKING
THE ABS WARNING LIGHT” on page 4-75.)
EAS22800
HYDRAULIC UNIT OPERATION TESTS
The reaction-force pulsating action generated in
the brake lever and brake pedal when the ABS
is activated can be tested when the vehicle is
stopped.
The hydraulic unit operation can be tested using
the following two methods.
• Hydraulic unit operation test 1: this test checks
the function of the ABS after the system was
disassembled, adjusted, or serviced.
• Hydraulic unit operation test 2: this test gener-
ates the same reaction-force pulsating action
that is generated in the brake lever and brake
pedal when the ABS is activated.
Hydraulic unit operation test 1
EWA13120
Securely support the vehicle so that there is
no danger of it falling over.
Two people are necessary to perform hydraulic
unit operation test 1.
1. Place the vehicle on the centerstand.
2. Turn the main switch to “OFF”.
3. Remove:
• Right upper inner panel
Refer to “GENERAL CHASSIS” on page 4-1.
4. Check:
• Battery voltage
Lower than 12.8 V → Charge or replace the
battery.
• If the battery voltage is lower than 12.8 V,
charge the battery, and then perform hydraulic
unit operation test 1.
• 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 adapter “1” to the
ABS test coupler “2”.
6. Turn the main switch to “ON” while operating
the brake lever and the brake pedal simulta-
neously.
• This check cannot be performed unless both
the brake lever and the brake pedal are oper-
ated simultaneously when the main switch is
turned to “ON”.
• Do not push the “ ” side of the start/engine
stop switch when turning the main switch to
“ON”, otherwise the operation test will not be-
gin.
7. Check:
• Hydraulic unit operation
Battery voltage
Higher than 12.8 V
Test coupler adapter
90890-03149
1
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