Service Manual (KLZ1000C) — page 693 of 762

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SELF-DIAGNOSIS SYSTEM 17-91
ABS Service Codes

• Perform   the Pre-Diagnosis Inspection 1 and 2 (see In-
  quiries to Rider(12-40)).
    If this service code appears even if all checks are ended,
    replace the ABS hydraulic unit.
    If the service code does not appear, the ABS system nor-
    mal (temporary failure).
Rear Wheel Rotation Sensor Wiring Inspection
(Service Code B45)
• Disconnect the rear wheel rotation sensor lead connector
  [A] (see Rear Wheel Rotation Sensor Removal(12-48)).

• Disconnect the ABS hydraulic unit connector (see ABS
  Hydraulic Unit Removal(12-45)).
• Check the wiring continuity between harness connector.
    Wiring Continuity Inspection
     ABS Hydraulic Unit Connector [A] ←→ Rear Wheel
     Rotation Sensor Connector [B]
        ABS Hydraulic Unit Terminal 14 [C] ←→ Sensor
        Terminal [D]
        ABS Hydraulic Unit Terminal 13 [E] ←→ Sensor
        Terminal [F]
    If the wiring is open, replace or repair the harness (see
    ABS System Circuit(12-32)).
    If the wiring is good, go to next step.

• Perform   the Pre-Diagnosis Inspection 1 and 2 (see In-
  quiries to Rider(12-40)).
    If this service code appears even if all checks are ended,
    replace the rear wheel rotation sensor.
•   Still, when it is not good, replace the ABS hydraulic unit.
    If the service code does not appear, the ABS system nor-
    mal (temporary failure).
Power Supply Voltage Inspection (Low-Voltage)
(Service Code B52)
• Check  the battery condition (see Charging Condition In-
  spection(16-30)).
    If the battery is good condition, perform the Pre-Diagnosis
    Inspection 1 and 2 (see Inquiries to Rider(12-40)).
    If this service code appears even if all checks are ended,
    replace the ABS hydraulic unit.
    If the service code does not appear, the ABS system nor-
    mal (temporary failure).