Yamaha TDM900A Service Manual download pdf (Page 133)

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TROUBLESHOOTING AT THE ABS WARNING LIGHT

When the main switch is turned “ON”. (Engine does not start.)

ONLY THE ABS WARNING LIGHT DOES NOT COME ON.

• Blown, damaged, or incorrect fuse (ABS fuse)

• Defective connection of the ABS harness and the wire harness

• Defective connection of the ABS harness and the electronic control unit (ECU)

• ABS harness is disconnected

• ABS warning light bulb is burnt out or the bulb contact is defective

• ECU defective

ALL INDICATORS DO NOT COME ON.

• Battery defective

• Blown, damaged, or incorrect fuse (Main fuse)

• Defective connection of the main fuse coupler

• Defective connection of the wire harness and the ABS harness

• Defective connection of the main switch coupler

• Defective connection of the meter coupler

ABS WARNING LIGHT CONTINUES TO FLASHES.

• Brake light switch (Front or rear) is defective

• Brake light switch coupler has come off

• Wire harness is disconnected

• Blown, damaged, or incorrect fuse (Main fuse)

• Defective connection of the ABS harness and the wire harness couplers

• Disconnection or short-circuit between the meter and ECU (ABS).

ABS WARNING LIGHT FLASHES EVERY 0.5 SECONDS.

• Voltage drop (Less than 10 V) Battery

Rectifier/regulator

AC magneto

• Strong radio waves or static electricity

ABS WARNING LIGHT CONTINUES TO COME ON.

• Defective connection of the wheel sensor (Front or rear) circuit

• Wheel sensor lead (Front or rear) coupler has come off

• Wheel sensor lead (Front or rear) or the coil is disconnected

• Sensor circuit of the ABS harness is disconnected

• ECU coupler terminal has come off

TROUBLESHOOTING AT THE ABS WARNING LIGHT

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Yamaha TDM900A Service Manual Page 133