Yamaha XT1200Z(Z) 2010, Service Manual

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ABS (ANTI-LOCK BRAKE SYSTEM)
8-100
2. Battery
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING THE BATTERY” on page 8-142.
• If the battery is defective, clean the battery terminals and recharge it, or replace the battery.
3. Main fuse
• Check the fuse for continuity.
Refer to “CHECKING THE FUSES” on page 8-141.
• If the main fuse is blown, replace the fuse.
4. Circuit
• Check the meter assembly circuit.
Refer to “CIRCUIT DIAGRAM” on page 8-89.
• If the meter assembly circuit is open, properly repair or replace the wire harness.
EAS23P1059
[C-3] THE ABS WARNING LIGHT REMAINS ON
1. The battery voltage is low.
• Check the condition of the battery.
Refer to “CHECKING AND CHARGING THE BATTERY” on page 8-142.
• If the battery voltage is low, clean the battery terminals and recharge it, or replace the battery.
2. ABS ECU fuse and ABS solenoid fuse
• Check the fuses for continuity.
Refer to “CHECKING THE FUSES” on page 8-141.
• If a fuse is blown, replace the fuse.
3. ABS ECU coupler
• Check that the ABS ECU coupler is connected properly.
• Connect the coupler properly if necessary.
4. There is a break in the wire harness between the main switch and the ABS ECU or between the ABS
ECU and the ground.
• Check for continuity between the brown/blue terminal of the main switch coupler and the brown/blue
terminal of the ABS ECU fuse.
• Check for continuity between the dark green terminal of the ABS ECU fuse and the dark green ter-
minal of the ABS ECU coupler.
• If there is no continuity, the wire harness is defective. Properly repair or replace the wire harness.
• Check for continuity between the black/white terminal of the ABS ECU coupler and the ground.
• If there is no continuity, the wire harness is defective. Properly repair or replace the wire harness.
5. There is a break in the wire harness between the battery and the ABS ECU or between the ABS
ECU and the ground.
• Check for continuity between the red terminal of the battery and the red terminal of the main fuse
coupler.
• Check for continuity between the red terminal of the main fuse coupler and the red terminal of the
ABS solenoid fuse.
• Check for continuity between the brown/white terminal of the ABS solenoid fuse and the brown/white
terminal of the ABS ECU coupler.
• If there is no continuity, the wire harness is defective. Properly repair or replace the wire harness.
• Check for continuity between the black/white terminal of the ABS ECU coupler and the ground.
• If there is no continuity, the wire harness is defective. Properly repair or replace the wire harness.
6. There is a break in the wire harness between the ABS ECU and the meter assembly (ABS warning
light).
• Check for continuity between the green/red terminal of the ABS ECU coupler and the green/red ter-
minal of the meter assembly coupler.
• If there is no continuity, the wire harness is defective. Properly repair or replace the wire harness.
7. The meter assembly circuit is defective.
• Disconnect the ABS ECU coupler.
• The green/red terminal of the ABS ECU coupler is short-circuited to the ground.