Yamaha TMAX 2020 Service Manual

9-32
ABS (Anti-lock Brake System)
EAS32893
MAINTENANCE OF THE ABS ECU
Checking the ABS ECU
1. Check:
• Terminals “1” of the hydraulic unit assembly (ABS ECU)
Cracks/damages  Replace the hydraulic unit assembly, brake hoses, and brake pipes that are
connected to the assembly as a set.
• Terminals “2” of the ABS ECU coupler
Connection defective, contaminated, come-off  Correct or clean.
TIP
If the ABS ECU coupler is clogged with mud or dirt, clean with compressed air.
EAS33284
ABS TROUBLESHOOTING OUTLINE
WARNING
EWA16710
When maintenance or checks have been performed on components related to the ABS, be sure
to perform a final check before delivering the vehicle to the customer.
TIP
To final check, refer to “[C-1] FINAL CHECK” on page 9-37.
ABS operation when the ABS warning light comes on
1. The ABS warning light remains on  ABS operates as a normal brake system.
• A malfunction was detected using the ABS self-diagnosis function.
• The ABS self-diagnosis has not been completed.
The ABS self-diagnosis starts when the ON/start switch is pushed and finishes when the vehicle has
traveled at a speed of approximately 10 km/h (6 mi/h).
2. The ABS warning light comes on after the engine starts, and then goes off when the vehicle starts
moving (traveling at a speed of approximately 10 km/h (6 mi/h)).  ABS operation is normal.
3. The ABS warning light flashes  ABS operation is normal.
• Refer to “BASIC INSTRUCTIONS FOR TROUBLESHOOTING” on page 9-33.
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Yamaha TMAX 2020 Specifications

General

Displacement	562cc
Bore x Stroke	70.0 mm x 73.0 mm
Compression Ratio	10.9:1
Fuel System	Fuel Injection
Ignition System	TCI
Transmission	V-Belt Automatic
Rear Suspension	Swingarm
Front Brake	Hydraulic dual disc, Ø267 mm
Rear Brake	Hydraulic single disc, Ø282 mm
Front Tyre	120/70R15M/C 56H
Rear Tyre	160/60R15M/C 67H
Overall Length	2, 200 mm
Overall Width	765 mm
Seat Height	800 mm
Wheelbase	1, 575 mm
Wet Weight	218 kg
Fuel Tank Capacity	15 litres
Engine Type	Liquid-cooled, 4-stroke, DOHC, 4-valve
Maximum Torque	55.7 Nm @ 5, 250 rpm
Front Suspension	Telescopic fork
Overall Height	1, 420mm