Service Manual — page 469 of 715

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BRAKES 12-47
Anti-Lock Brake System

• Recheck  the service code indication; erase the service
  code, perform the pre-diagnosis inspection 1 and 2, and
    retrieve the service code.
    If the yellow ABS indicator light (LED) [A] lights, the ABS
    hydraulic unit has trouble. Replace the ABS hydraulic
    unit.
    If the yellow ABS indicator light (LED) does not light, ABS
    system is normal (service code is not stored; temporary
    failure.).

Front Wheel Rotation Sensor Wiring Inspection
(Service Code 43)
• Disconnect:
   ABS Hydraulic Unit Connector (see ABS Hydraulic Unit
     Removal)
     Front Wheel Rotation Sensor Connector (see Front
     Wheel Rotation Sensor Removal)

• Check
  lead.
        the wiring continuity of the BK/W lead and W/BK

      Front Wheel Rotation Sensor Lead Connector [A]
      ABS Hydraulic Unit Lead Connector [B]
      W/BK Lead Terminals [C]
      BK/W Lead terminals [D]
    If the wiring is open, replace or repair the harness (see
    ABS System Wiring Diagram).
    If the wiring is good, go to next step.

• Recheck  the service code indication; erase the service
  code, perform the pre-diagnosis inspection 1 and 2, and
    retrieve the service code.
    If the yellow ABS indicator light (LED) [A] lights, replace
    the front wheel rotation sensor (see Front Wheel Rotation
    Sensor Removal).
    Still, when it is not good, replace the ABS hydraulic unit.
    If the yellow ABS indicator light (LED) does not light, ABS
    system is normal (service code is not stored; temporary
    failure.).
Rear Wheel Rotation Sensor Signal Abnormal
(Service Code 44)
• Measure  the air gap between the rear wheel rotation sen-
  sor and sensor rotor (see Wheel Rotation Sensor Air Gap
    Inspection).
•   Check the rear wheel rotation sensor (see Rear Wheel
    Rotation Sensor Inspection).
    If both inspections are good, go to next step.