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The brake master cylinder reservoirs
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Щ Check:
brake fluid level
Refer to “CHECKING THE BRAKE FLUID LEVEL” in chapter 3.
Ъ [D-6-2] Checking the wheel sensors for proper installation
Ы Check if the front wheel sensor housing and the rear wheel sensor housing are installed correctly. (Refer to “[D-3] Maintenance of the front wheel sensor and sensor rotor” and “[D-4] Maintenance of the rear wheel sensor and sensor rotor”.)
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ANTI-LOCK BRAKE SYSTEM (XP500A) CHAS
Ь Check:
installation of the wheel sensors to the sen-sor housings (Refer to “[D-3] Maintenance of the front wheel sensor and sensor rotor” and “[D-4] Maintenance of the rear wheel sensor and sensor rotor”.)
T.
R.
Wheel sensor
30 Nm (3.0 m · kg, 22 ft · lb)
HYDRAULIC UNIT OPERATION TEST
The reaction-force pulsating action generated in the brake levers when the ABS is activated can be tested when the vehicle is stopped.
The hydraulic unit operation can be tested by the following two methods.
Э Hydraulic unit operation test 1: this test gen-erates the same reaction-force pulsating action that is generated in the brake levers when the ABS is activated.
Э Hydraulic unit operation test 2: this test checks the function of the ABS after the system was disassembled, adjusted, or ser-viced.
• [D-6-3-1] Hydraulic unit operation test 1
WARNING
Securely support the vehicle so that there is no danger of it falling over.
Ю Place the vehicle on the centerstand.
Ю Set the main switch to “OFF”.
Ю Remove:
battery cover
Refer to “FUEL TANK” in chapter 3.
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ANTI-LOCK BRAKE SYSTEM (XP500A) CHAS
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 1.
• If the battery voltage is lower than 10 V, the ABS warning light comes on and the ABS does not operate.
ON
Я Connect the test coupler adaptor 1 to the test coupler 2.
Test coupler adaptor 90890-03149
А Set the engine stop switch 1 to “ 
”.
А Set the main switch to “ON”.
NOTE:
After setting the main switch to “ON”, wait (approximately 2 seconds) until the ABS warn-ing light goes off.
Х Push the start switch 2 for at least 4 sec-onds.
CAUTION:
Do not operate the brake levers.
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ANTI-LOCK BRAKE SYSTEM (XP500A) CHAS
9. After releasing the start switch, operate the brake levers simultaneously.
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NOTE:
• A reaction-force pulsating action is gener-ated in the front brake lever 1 0.5 second after the rear brake lever and front brake lever are operated simultaneously and con-tinues for approximately 1 second.
• Be sure to continue to operate the brake levers even after the pulsating action has stopped.
1 
10.After the pulsating action has stopped in the front brake lever, it is generated in the rear brake lever 1 0.5 second after and continues for approximately 1 second.
NOTE:
Be sure to continue to operate the brake levers even after the pulsating action has stopped.
1
11.After the pulsating action has stopped in the rear brake lever, it is generated in the front brake lever 0.5 second after and con-tinues for approximately 1 second.
CAUTION:
• Check that the pulsating action is felt in the front brake lever, rear brake lever, and again in the front brake lever, in this order.
• If the pulsating action is felt in the rear brake lever before it is felt in the front brake lever, check that the brake hoses are connected correctly to the hydraulic unit.
• If the pulsating action is hardly felt in either the brake levers, check that the brake hoses are connected correctly to the hydraulic unit.
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ANTI-LOCK BRAKE SYSTEM (XP500A) CHAS
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
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