[A] Abs Malfunction Check Using The Abs Warning Light; [B] Detailed Abs Malfunction Check; [B-1] The Abs Warning Light Does Not Come On; [B-2] The Abs Warning Light Remains On - Yamaha 2007 XP500 Service Manual

NOTE:
Do not delete the malfunction code during the troubleshooting procedures. Be sure to delete it when
the service is finished.
EWA14050
WARNING
Always execute the "final check" when the components related to ABS are checked and ser-
viced.
EAS27830

[A] ABS MALFUNCTION CHECK USING THE ABS WARNING LIGHT

Turn the main switch to "ON". (Do not start the engine.)
1. The ABS warning light does not come on. [B-1]
2. The ABS warning light remains on. [B-2]
3. The ABS warning light flashes. [B-3]
4. The ABS warning light comes on for 2 seconds, then goes off. [B-4]
EAS15B3008

[B] DETAILED ABS MALFUNCTION CHECK

EAS15B3009

[B-1] THE ABS WARNING LIGHT DOES NOT COME ON

Do other indicators operate normally?
1. Yes [C-1]
2. No [C-2]
EAS15B3010

[B-2] THE ABS WARNING LIGHT REMAINS ON

NOTE:
Check following the steps in sequence.
1. Battery voltage low
Charge, inspect or replace the battery.
2. Malfunction codes displayed. Check the malfunction codes using the ABS test coupler adaptor.
Perform troubleshooting corresponding to the malfunction codes. [B-5]
3. Wire harness, ECU (ABS) and meter coupler are disconnected.
Connect the coupler securely until a "click" sound is heard.
4. Check the disconnection between the ECU (ABS) and meter (ABS warning light).
Check the conductivity of the wire harness and repair or replace the failure part.
5. Meter circuit malfunction
Check by the following procedures.
Remove the ECU (ABS) and connect the ABS test coupler adaptor.
G
Connect the white/red lead from the test coupler adaptor to the GND terminal and set the main
G
switch to "ON".
Does the ABS warning light go off?
G
Yes → Replace the ECU (ABS).
G
No → Replace the meter.
G
EAS15B3031

[B-3] THE ABS WARNING LIGHT FLASHES

NOTE:
Check the battery voltage before proceeding.
Check the test coupler located in the front cowling. Is the T/C terminal ground?
1. Yes → Disconnect the grounding lead from the T/C terminal and install the protective cap onto the
test coupler.
ABS (ANTI-LOCK BRAKE SYSTEM) (XP500A)
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