FUEL SYSTEM (DFI) 3-91

Radiator Fan Relay (Service Code 56)

Radiator Fan Relay Removal/Installation

○The radiator fan relay is built in the relay box [A].

•Refer to the Relay Box Removal in the Electrical System chapter.

Radiator Fan Relay Inspection

•Refer to the Relay Circuit Inspection in the Electrical System chapter.

If the radiator fan relay is normal, check the wiring for continuity (see 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).

If the ground and power supply are good, replace the ECU (see ECU Removal/Installation).

3-92 FUEL SYSTEM (DFI)

Radiator Fan Relay (Service Code 56)

Radiator Fan Relay Circuit

1.Ignition Switch

2.Fan Motor

3.Water Temperature Sensor

4.ECU

5.Fuse Box

6.Fan Fuse 15 A

7.Frame Ground

8.Battery 12 V 8 Ah

9.Main Fuse 30 A

10.Relay Box

11.Fan Relay