Service Manual (KLZ1000C) — page 676 of 762

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17-74 SELF-DIAGNOSIS SYSTEM
Radiator Fan Relay (Service Code 56) (DTC P0480)
Radiator Fan Relay Removal/Installation
○The radiator fan relay is built in the relay box [A].
• Refer to the Relay Box Removal (see Relay Box Re-
  moval/Installation(16-117)).

Radiator Fan Relay Inspection
• Refer to the Relay Circuit Inspection (see Relay Circuit
  Inspection(16-117)).
  If the radiator fan relay is normal, check the wiring for
  continuity (see Radiator Fan Relay Circuit(17-75)).
  If the wiring is good, check the ECU for its ground and
  power supply (see ECU Power Supply Inspection(3-39)).
  If the ground and power supply are good, replace the
  ECU.