If the radiator fan relay is normal, check the wiring for continuity, using the wiring diagram in this section.
Special Tool - Hand Tester: 57001-1394
If the wiring is good, check the ECU for its ground and power supply (see ECU Power Supply Inspection in the Fuel System (DFI) chapter).
If the ground and power supply are good, replace the ECU (see ECU Removal/Installation in the Fuel System (DFI) chapter).
Radiator Fan Circuit

1. ECU
2. Fan Motor
3. Ignition Switch
4. Joint Connector F
5. Fuse Box 1
6. Ignition Fuse 15 A
7. Relay Box
8. Fan Relay
9. Frame Ground 3
10. Fuse Box 2
11. Fan Fuse 15 A
12. Starter Relay
13. Main Fuse 30 A
14. Battery
15. Engine Ground
Radiator Fan Relay Removal/InstallationModel Identification
ZX1000JB (US and CA Models) Left Side View
ZX1000JB (US and CA Models) Right Side View
ZX1000JB (EUR Models) Left Side View
ZX1000JB (EUR Models) Right Side View
ZX1000KB (US and CA Models) Left Side View
ZX1000KB (US and CA Models) Right Side View
ZX1000KB (EUR Models) ...
Brake Fluid Leak (Brake Hose and Pipe) Inspection
For KIBS equipped models, remove the fuel tank (see
Fuel Tank Removal in the Fuel System (DFI) chapter).
Apply the brake lever or pedal and inspect the brake fluid
leak from the brake hoses [A], pipes (KIBS equipped models)
[B] and fittings [C].
If the brake fluid leaked from any posit ...
Exhaust Butterfly Valve Actuator Sensor Output Voltage Inspection
NOTE
Before this inspection, confirm the pulley is original
position (see Exhaust Butterfly Valve Actuator Installation).
Disconnect:
3 Pins Connector [A] (see Exhaust Butterfly Valve Actuator
Sensor Output Voltage Inspection)
2 Pins Connector [B]
Connect the harness adapter [A ...