Malfunction Are Currently Detected; Only The Abs Warning Light Fails To Come On; All Indicator Lights Fail To Come On - Yamaha FZ8NA Service Manual

EAS4B56017
[B-5] MALFUNCTION ARE CURRENTLY DETECTED
Connect the test coupler adapter to the ABS test coupler.
When the test coupler adapter is connected to the ABS test coupler, the fault codes will be displayed
in the multi-function display. Record all of the displayed fault codes.
1. No fault codes are displayed in the multi-function display and the ABS warning light is on. [C-3]
2. No fault codes are displayed in the multi-function display and the ABS warning light is flashing.
[C-4]
EAS4B56018
[C-1] ONLY THE ABS WARNING LIGHT FAILS TO COME ON
1. Check for a short circuit to the ground between the green/red terminal of the ABS ECU coupler
and green/red terminal of the meter assembly.
• If there is no short circuit to the ground, the wire harness is defective. Properly repair or
replace the defective harness.
2. Disconnect the ABS ECU coupler and check that the ABS warning light comes on when the
main switch is turned to "ON".
• 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.
• If the ABS warning light comes on, the ABS ECU is defective. Replace the hydraulic unit
assembly.
EAS4B56019
[C-2] ALL INDICATOR LIGHTS FAIL TO COME ON
1. Main switch
• Check the main switch for continuity.
Refer to "CHECKING THE SWITCHES" on page 8-179.
• 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 8-186.
• 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 8-185.
• If the main fuse is blown, replace the fuse.
4. Circuit
• Check the meter assembly circuit.
Refer to "CIRCUIT DIAGRAM" on page 8-127.
• If the meter assembly circuit is open, properly repair or replace the wire harness.
ABS (ANTI-LOCK BRAKE SYSTEM)
8-140