Yamaha TDM900A Service Manual download pdf (Page 125)

ELEC

117

• Check that the connections of the brake hose lines from the brake master cylinder to the hydrau-

lic unit and to the rear brake caliper from the hydraulic unit are correct.

WARNING

The rear brake will not function properly if the connections are reversed.

• Rear brake hose inlet: from the rear brake master cylinder

• Rear brake hose outlet: to the rear brake caliper

TE:

• If the rear brake hose inlet and outlet connections are reversed on the hydraulic unit, the brake

pedal is pressed down to full stroke without responding and will be pushed back slowly without pul-

sating when the final check is performed.

• If the front and rear brake hose connections are reversed on the hydraulic unit, the pulsating action

in the brake lever and brake pedal will be performed in the reverse order when the final check is

performed.

5) Hydraulic unit solenoid coupler terminal

• Check if the front and rear hydraulic unit solenoid coupler terminals (hydraulic unit and sub-wire

harness [ABS]) are reversed.

6) Hydraulic unit

If the malfunction is not corrected after performing steps 1) to 5), replace the hydraulic unit. Be sure

to connect the brake hose lines and couplers correctly and securely. Check the hydraulic unit opera-

tion. (Refer to “P67 Final check”.)

Terminal color

Solenoid Sub-wire harness (ABS)

Front red, white white, white/blue

Rear red, green white, white/green

ANTI-LOCK BRAKE SYSTEM (ABS)

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Yamaha TDM900A Service Manual Page 125