Yamaha 2006 FJR1300A Service Manual page 530

EAS27840
[C-1] ONLY THE ABS WARNING LIGHT FAILS TO COME ON WHEN THE MAIN SWITCH IS
TURNED TO "ON"
Disconnect the ABS ECU couplers and meter assembly coupler, and then connect the test coupler
adapter to the ABS test coupler.
1. Check for continuity between the white/red terminal of the test coupler adapter and the ground.
• If there is continuity, ABS wire harness, front cowling wire harness or the wire harness is defective.
Properly repair or replace the defective harness.
2. Disconnect the ABS ECU couplers and check that the ABS warning light comes on when the main
switch is turned to "ON".
• If the ABS warning light comes on, the ABS ECU is defective. Replace the ABS ECU.
• If the ABS warning light does not come on, the meter assembly circuit (including the ABS warning
light [LED]) is defective. Replace the meter assembly.
ET3P61064
[C-2] THE ABS WARNING LIGHT AND ALL OTHER INDICATOR LIGHTS FAIL TO COME ON
1. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES" on page 8-149.
• If there is no continuity, replace the main switch/immobilizer unit.
2. Battery
• Check the condition of the battery.
Refer to "CHECKING AND CHARGING THE BATTERY" on page 8-154.
• If the battery is defective, clean the battery terminals and recharge it, or replace the battery.
3. Main fuse
• Check the main fuse for continuity.
Refer to "CHECKING THE FUSES" on page 8-153.
• If the main fuse is blown, replace the fuse.
4. Wiring
• Check the entire multi-function meter wiring.
Refer to "CIRCUIT DIAGRAM (1/2)" on page 8-111 and "CIRCUIT DIAGRAM (2/2)" on page 8-113.
• If the wiring is defective, properly connect or repair the multi-function meter wiring.
• If the wiring is good, check the condition of each multi-function meter circuit.
ET3P61065
[C-3] THE ABS WARNING LIGHT FAIL TO COME ON WHILE THE START SWITCH IS BEING
PUSHED
1. Wire harness, ABS wire harness, and front cowling wire harness
• Check the white/blue lead for continuity between "1" and "2" of the start switch monitor circuit.
• If there is no continuity, the wire harness, ABS wire harness, or front cowling wire harness is defec-
tive. Properly repair or replace the defective harness.
2. Wire harness and ABS wire harness
• Check the blue/white lead for continuity between "3" and "4" of the starter motor monitor circuit.
• If there is no continuity, the wire harness or ABS wire harness is defective. Properly repair or replace
the defective harness.
ABS (ANTI-LOCK BRAKE SYSTEM)
8-127